CN116938724B - Method for expanding and shrinking capacity of server in audio-video conference - Google Patents
Method for expanding and shrinking capacity of server in audio-video conference Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
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Abstract
The invention relates to the technical field of communication, in particular to a method for expanding and shrinking capacity of a server in an audio-video conference, which comprises the following steps: step S1, a central control module expands or contracts the capacity of a server; step S2, the central control module primarily adjusts the memory ratio of the cache process according to the number of concurrent meeting requests processed in unit time, or adjusts the meeting data backup period to a corresponding period according to the number of repeated meeting requests; step S3, the central control module judges whether the fluency of the audio-video conference is in an allowable range or not according to the cartoon times of the audio-video conference in a unit operation period; and S4, the central control module secondarily adjusts the memory ratio of the caching process to a second corresponding ratio, or adjusts the capacity ratio of the cloud storage to the corresponding capacity ratio according to the variance of the residual memory space of the expansion server in a plurality of periods.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method for expanding and shrinking capacity of a server in an audio-video conference.
Background
With the wide application of audio and video conferences, online collaborative offices are more and more, and in an audio and video conference system, an MCU (multipoint control Unit) media service is the most resource-consuming. In the construction of the global audio-video conference system, a third-party cloud server manufacturer is mainly selected to realize the audio-video conference. As the audio and video conference manufacturers use more and more third party cloud service resources, how to efficiently use server resources and reduce operation cost are more and more important to the audio and video conference manufacturers.
Chinese patent publication No.: CN112532634a discloses a method and device for expanding and shrinking the capacity of a server in an audio-video conference, which comprises the following steps: acquiring the current audio and video call path number of a server cluster and the audio and video call path number supported by the server cluster; invoking historical conference data of the server cluster; comparing the current audio and video call path number of the server cluster with the audio and video call path number supported by the server cluster, and comparing the audio and video call path number supported by the server cluster with historical conference data of the server cluster; if the current audio and video call path number of the server cluster is not less than the audio and video call path number supported by the server cluster by a preset multiple, or the audio and video call path number supported by the server cluster is less than the historical conference data of the server cluster, the server cluster is expanded, so that the following problems exist in the expansion and contraction methods of the server in the audio and video conference: the load capacity of the audio-video conference server is reduced due to inaccurate judgment of the insufficient running stability of the audio-video conference, which is reflected by the number of the concurrent conference requests processed in unit time.
Disclosure of Invention
Therefore, the invention provides a capacity expansion and contraction method of a server in an audio-video conference, which is used for solving the problem of the prior art that the load capacity of the audio-video conference server is reduced due to inaccurate judgment of the running stability of the audio-video conference, which is reflected by the number of concurrent conference requests processed in unit time.
In order to achieve the above objective, the present invention provides a method for expanding and shrinking a server in an audio/video conference, including: step S1, in the running process of an audio-video conference, a central control module judges whether the load degree of a server is within an allowable range according to the actual utilization rate of a memory of the server, and when the load degree of the server is lower than or exceeds the allowable range, the capacity of the server is expanded or contracted by respectively adjusting the access quantity and the cloud storage capacity of the server; step S2, when the central control module completes the capacity expansion or contraction operation of a single operation period of the server, the central control module judges whether the operation stability of the audio-video conference is in an allowable range according to the number of concurrent conference requests processed in unit time, and when judging that the operation stability of the audio-video conference is lower than the allowable range, the memory ratio of a cache process is primarily adjusted to a first corresponding ratio, or the conference data backup period is adjusted to a corresponding period according to the number of repeated conference requests; step S3, when the primary adjustment of the memory ratio of the caching process is completed, the central control module judges whether the smoothness of the audio-video conference is within an allowable range or not according to the blocking times of the audio-video conference in a unit operation period; and S4, when the central control module determines that the fluency of the audio-video conference is lower than the allowable range, the central control module secondarily adjusts the memory duty ratio of the caching process to a second corresponding duty ratio, or adjusts the capacity duty ratio of cloud storage to the corresponding capacity duty ratio according to the variance of the residual memory space of the expansion server in a plurality of periods.
Further, the central control module determines whether the load degree of the server is within the allowable range according to the actual utilization rate of the memory of the server, wherein,
the first load degree judging method is that the central control module judges that the load degree of the server is lower than an allowable range under the condition of presetting a first utilization rate, and reduces the capacity of the server by reducing the access quantity of the server and the cloud storage capacity;
the second load degree judging method is that the central control module judges that the load degree of the server is in an allowable range under the condition of presetting a second utilization rate;
the third load degree judging method is that the central control module judges that the load degree of the server exceeds an allowable range under the condition of presetting a third utilization rate, and expands the capacity of the server by increasing the access quantity of the server and the cloud storage capacity;
the preset first utilization rate condition is that the actual utilization rate of the memory of the server is smaller than or equal to the preset first utilization rate; the preset second utilization rate condition is that the actual utilization rate of the memory of the server is larger than the preset first utilization rate and smaller than or equal to the preset second utilization rate; the preset third utilization rate condition is that the actual utilization rate of the memory of the server is larger than the preset second utilization rate; the preset first utilization rate is smaller than the preset second utilization rate.
Further, the central control module determines whether the running stability of the audio-video conference is within the allowable range according to the number of the concurrent conference requests processed in unit time, wherein,
the first judging method is that the central control module judges that the running stability of the audio-video conference is lower than the allowable range under the condition of the preset first quantity, and the memory duty ratio of the caching process is adjusted to the corresponding duty ratio by calculating the difference value between the preset first quantity and the quantity of the concurrent conference requests processed in unit time;
the second judging method is that the central control module judges that the running stability of the audio-video conference is lower than the allowable range under the condition of a preset second number, preliminarily judges that the validity of the data stored by the server is lower than the allowable range, and judges whether the validity of the data stored by the server is lower than the allowable range for the second time according to the number of repeated conference requests;
the third judging method is that the central control module judges that the running stability of the audio-video conference is in an allowable range under the condition of presetting a third quantity;
the preset first number condition is that the number of concurrent meeting requests processed in unit time is smaller than or equal to the preset first number; the preset second number condition is that the number of concurrent meeting requests processed in unit time is larger than the preset first number and smaller than or equal to the preset second number; the preset third quantity condition is that the quantity of concurrent meeting requests processed in unit time is larger than the preset second quantity; the preset first number is smaller than the preset second number.
Further, the central control module determines two adjustment modes for the memory ratio of the cache process according to the difference value between the preset first quantity and the quantity of the concurrent meeting requests processed in unit time under the preset first quantity condition, wherein,
the first adjusting mode is that the central control module adjusts the memory duty ratio of the cache process to a first duty ratio by using a preset second memory duty ratio adjusting coefficient under the condition of a preset first quantity difference value;
the second adjusting mode is that the central control module adjusts the memory duty ratio of the cache process to a second duty ratio by using a preset first memory duty ratio adjusting coefficient under the condition of a preset second quantity difference value;
the preset first quantity difference condition is that the difference between the preset first quantity and the quantity of concurrent meeting requests processed in unit time is smaller than or equal to the preset quantity difference; the preset second quantity difference value condition is that the difference value between the preset first quantity and the quantity of concurrent meeting requests processed in unit time is larger than the preset quantity difference value; the preset first memory duty cycle adjustment coefficient is smaller than the preset second memory duty cycle adjustment coefficient.
Further, the central control module determines two secondary judging methods of whether the validity of the data stored by the server is within the allowable range according to the number ratio of repeated meeting requests under the preset second number condition, wherein,
The first secondary judging method is that the central control module judges that the validity of the data stored in the server is in an allowable range under the condition of presetting a first duty ratio;
the second secondary judging method is that the central control module judges that the effectiveness of the initial spring data of the server is lower than the allowable range under the condition of a preset second duty ratio, and the data backup period is adjusted to a corresponding period by calculating the difference value between the number duty ratio of repeated conference requests and the preset duty ratio;
the preset first duty ratio condition is that the number duty ratio of repeated meeting requests is smaller than or equal to a preset duty ratio; the preset second duty ratio condition is that the number of repeated meeting requests is larger than the preset duty ratio.
Further, the central control module determines two adjustment modes for the data backup period according to the difference value between the number of repeated meeting requests and the preset duty ratio under the preset second duty ratio condition, wherein,
the first period adjustment mode is that the central control module adjusts the data backup period to a first backup period by using a preset first backup period adjustment coefficient under the condition of a preset first duty ratio difference value;
the second period adjustment mode is that the central control module adjusts the data backup period to a second backup period by using a preset second backup period adjustment coefficient under the condition of a preset second duty ratio difference value;
The preset first duty ratio difference condition is that the difference between the number duty ratio of repeated conference requests and the preset duty ratio is smaller than or equal to the preset duty ratio difference; the preset second duty ratio difference condition is that the difference between the number duty ratio of repeated conference requests and the preset duty ratio is larger than the preset duty ratio difference; the preset first backup period adjustment coefficient is smaller than the preset second backup period adjustment coefficient.
Further, the central control module determines whether the smoothness of the audio-video conference is within the allowable range according to the blocking times of the audio-video conference when the initial adjustment of the memory ratio of the caching process is completed, wherein,
the first fluency judging method is that the central control module judges that the fluency of the audio-video conference is in an allowable range under the condition of a preset first time number;
the second fluency judging method is that the central control module judges that the fluency of the audio-video conference is lower than the allowable range under the condition of a preset second time, and the memory duty ratio of the caching process is secondarily adjusted to a second corresponding duty ratio by calculating the difference value between the blocking times of the audio-video conference and the preset first blocking times;
the third fluency judging method is that the central control module judges that the fluency of the audio-video conference is lower than the allowable range under the condition of a preset third time, preliminarily judges that the effectiveness of capacity expansion is lower than the allowable range, and judges secondarily whether the effectiveness of capacity expansion is lower than the allowable range according to the variance of the residual memory space of the capacity expansion server in a plurality of periods;
The preset first time number condition is that the number of the blocking times of the audio-video conference is smaller than or equal to the preset first blocking times; the preset second time condition is that the blocking times of the audio-video conference are larger than the preset first blocking times and smaller than or equal to the preset second blocking times; the preset third time condition is that the blocking times of the audio-video conference are larger than the preset second blocking times; the preset first jamming times are smaller than the preset second jamming times.
Further, the central control module determines two secondary adjustment modes for the memory ratio of the caching process according to the difference value between the jamming times of the audio-video conference and the preset first jamming times under the condition of the preset second times,
the first secondary adjustment mode is that the central control module adjusts the memory duty ratio of the cache process to the third duty ratio by using a preset fourth memory duty ratio adjustment coefficient under the condition of preset first time difference value;
the second secondary adjustment mode is that the central control module adjusts the memory duty ratio of the cache process to a fourth duty ratio by using a preset third memory duty ratio adjustment coefficient under the condition of a preset second time difference value;
the preset first time difference value condition is that the difference value between the jamming times of the audio-video conference and the preset first jamming times is smaller than or equal to the preset jamming times difference value; the preset second time difference condition is that the difference between the jamming times of the audio-video conference and the preset first jamming times is larger than the preset jamming times difference; the preset third memory duty cycle adjustment coefficient is smaller than the preset fourth memory duty cycle adjustment coefficient.
Further, the central control module determines whether the effectiveness of capacity expansion is within the allowable range according to the variance of the residual memory space of the capacity expansion server in a plurality of periods under the condition of preset third times, wherein,
the first capacity expansion effectiveness secondary judging method is that the central control module judges that the effectiveness of capacity expansion is in an allowable range under the condition of a preset first variance;
the second method for determining the capacity expansion effectiveness secondarily includes that the central control module determines that the effectiveness of capacity expansion is lower than an allowable range under the condition of a preset second variance, and the capacity ratio of cloud storage is adjusted to a corresponding capacity ratio by calculating the difference between the variance of the residual memory space of the capacity expansion server in a plurality of periods and the preset variance;
the preset first variance condition is that the variance of the residual memory space of the capacity expansion server in a plurality of periods is smaller than or equal to a preset variance; and the preset second variance condition is that the variance of the residual memory space of the capacity expansion server in a plurality of periods is larger than the preset variance.
Further, the central control module determines two adjustment modes for the capacity ratio of the cloud storage according to the difference between the variance of the residual memory space of the capacity expansion server in a plurality of periods and the preset variance under the condition of the preset second variance, wherein,
The first capacity ratio adjusting mode is that the central control module adjusts the capacity ratio stored in the cloud to a first capacity ratio by using a preset first capacity ratio adjusting coefficient under the condition of a preset first variance difference;
the second capacity ratio adjusting mode is that the central control module uses a preset second capacity ratio adjusting coefficient to adjust the capacity ratio stored in the cloud to a second capacity ratio under the condition of a preset second variance difference value;
the preset first variance difference condition is that the variance of the residual memory space of the capacity expansion server in a plurality of periods is smaller than or equal to the preset variance difference value; the preset second variance difference condition is that the difference value between the variance of the residual memory space of the capacity expansion server and the preset variance is smaller than or equal to the preset variance difference value according to a plurality of periods; the preset first capacity fraction adjustment coefficient is less than the preset second capacity fraction adjustment coefficient.
Compared with the prior art, the method has the advantages that the parameters of the audio-video conference in the capacity expansion or contraction process are detected and regulated by setting the steps S1-S4, whether the running stability of the audio-video conference is in an allowable range or not is judged according to the number of concurrent conference requests processed in unit time, the stability of the server is reduced due to the change of the server data, the storage efficiency of an effective file is further improved by reducing the memory ratio of a cache process, or the backup period is increased, the backup of repeated data is reduced, the running efficiency of the server is further improved, and when the primary regulation of the memory ratio of the cache process is completed, the memory ratio of the cache process is secondarily regulated to a second corresponding ratio according to the card-on times of the audio-video conference in the unit running period, or the cloud storage capacity ratio is regulated to the corresponding capacity ratio, so that the stability and the effectiveness of the audio-video conference are improved.
Further, according to the method, whether the running stability of the audio and video conference is within the allowable range or not is judged by the central control module according to the number of concurrent conference requests processed in unit time through setting a preset first number condition, a preset second number condition and a preset third number condition, the stability of the server is reduced due to the change of the server data, the memory ratio of a caching process is regulated by the central control module through setting a preset first number difference condition, a preset second number difference condition, a preset first memory ratio regulating coefficient and a preset second memory ratio regulating coefficient, and the storage efficiency of an effective file is further improved by reducing the memory ratio of the caching process.
Further, the method comprises the steps that a preset first duty ratio condition and a preset second duty ratio condition are set, the central control module judges whether the validity of the stored data of the server is in an allowable range or not according to the number of repeated meeting requests, the overlapping probability is increased due to frequent backup, the data backup period is adjusted by the central control module through setting a preset first duty ratio difference value condition, a preset second duty ratio difference value condition, a preset first backup period adjusting coefficient and a preset second backup period adjusting coefficient, the backup of repeated data is reduced through increasing the backup period, the operation efficiency of the server is further improved, and the stability and the validity of the audio-video conference are further improved.
Further, according to the method, after the memory ratio of the cache process is primarily adjusted, the central control module judges whether the smoothness of the audio and video conference is within an allowable range or not according to the blocking times of the audio and video conference, the blocking times of the audio and video conference are increased due to the reduction of the memory ratio of the cache, and the memory ratio of the cache process is secondarily adjusted by setting the preset first time difference value condition, the preset second time difference value condition, the preset third memory ratio adjusting coefficient and the preset fourth memory ratio adjusting coefficient, so that the stability and effectiveness of the audio and video conference are further improved.
Further, according to the method, the preset first variance condition and the preset second variance are set, the central control module judges whether the capacity expansion effectiveness is within an allowable range according to the variance of the residual memory space of the capacity expansion server in a plurality of periods, the capacity expansion effectiveness is reduced due to unbalance of capacity expansion, the load capacity of the server is further affected, the preset first variance difference condition, the preset second variance difference condition, the preset first capacity ratio adjustment coefficient and the preset second capacity ratio adjustment coefficient are set, the central control module adjusts the capacity ratio of cloud storage, and the stability and the effectiveness of an audio-video conference are further improved by increasing the capacity ratio of the cloud storage.
Drawings
Fig. 1 is an overall flowchart of a method for expanding and shrinking a volume of a server in an audio/video conference according to an embodiment of the present invention;
fig. 2 is a specific flowchart of step S1 of a method for expanding and shrinking capacity of a server in an audio/video conference according to an embodiment of the present invention;
fig. 3 is a specific flowchart of step S2 of a method for expanding and shrinking capacity of a server in an audio/video conference according to an embodiment of the present invention.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
Fig. 1, fig. 2, and fig. 3 show an overall flow chart of a method for expanding and shrinking a volume of a server in an audio/video conference, a specific flow chart of step S1, and a specific flow chart of step S2 according to an embodiment of the invention. The invention discloses a method for expanding and shrinking capacity of a server in an audio/video conference, which comprises the following steps:
Step S1, in the running process of an audio-video conference, a central control module judges whether the load degree of a server is within an allowable range according to the actual utilization rate of a memory of the server, and when the load degree of the server is lower than or exceeds the allowable range, the capacity of the server is expanded or contracted by respectively adjusting the access quantity and the cloud storage capacity of the server;
step S2, when the central control module completes the capacity expansion or contraction operation of a single operation period of the server, the central control module judges whether the operation stability of the audio-video conference is in an allowable range according to the number of concurrent conference requests processed in unit time, and when judging that the operation stability of the audio-video conference is lower than the allowable range, the memory ratio of a cache process is primarily adjusted to a first corresponding ratio, or the conference data backup period is adjusted to a corresponding period according to the number of repeated conference requests;
step S3, when the primary adjustment of the memory ratio of the caching process is completed, the central control module judges whether the smoothness of the audio-video conference is within an allowable range or not according to the blocking times of the audio-video conference in a unit operation period;
And S4, when the central control module determines that the fluency of the audio-video conference is lower than the allowable range, the central control module secondarily adjusts the memory duty ratio of the caching process to a second corresponding duty ratio, or adjusts the capacity duty ratio of cloud storage to the corresponding capacity duty ratio according to the variance of the residual memory space of the expansion server in a plurality of periods.
Specifically, the memory ratio of the caching process is the ratio of the audio and video conference cache data in the running memory of the server.
Specifically, the variance of the remaining memory space of the server in the plurality of periods is calculated after the remaining memory space of the server in the plurality of periods is obtained, and the variance of the remaining memory space of the server in the plurality of periods is calculated according to the remaining memory space of the average server.
Specifically, the capacity of the cloud storage is the proportion of the space for storing the audio and video data in the storage space of the cloud storage of the server.
Specifically, the step S1 includes:
step S11, the central control module judges whether the load degree of the server is within an allowable range according to the actual utilization rate of the memory of the server;
step S12, when the load degree of the server is determined to be lower than the allowable range, the server is contracted by respectively adjusting the access number and the cloud storage capacity of the server, or when the load degree of the server is determined to be beyond the allowable range, the server is expanded by respectively adjusting the access number and the cloud storage capacity of the server;
specifically, the step S2 includes:
step S21, the central control module judges whether the running stability of the audio-video conference is within an allowable range according to the number of concurrent conference requests processed in unit time;
and S22, when the running stability of the audio-video conference is lower than the allowable range, firstly adjusting the memory ratio of the caching process to a first corresponding ratio, or adjusting the conference data backup period to a corresponding period according to the number of repeated conference requests.
According to the method, through setting the steps S1-S4, the parameters of the audio-video conference in the capacity expansion or contraction process are detected and regulated, whether the operation stability of the audio-video conference is in an allowable range or not is judged according to the number of concurrent conference requests processed in unit time, the stability of a server is reduced due to the change of server data, the memory ratio of a caching process is reduced, the storage efficiency of an effective file is further improved, or the backup period is increased, the backup of repeated data is reduced, the operation efficiency of the server is further improved, and when the primary regulation of the memory ratio of the caching process is completed, the memory ratio of the caching process is secondarily regulated to a second corresponding ratio according to the card-on times of the audio-video conference in the unit operation period, or the capacity ratio stored by a cloud is regulated to the corresponding capacity ratio, so that the stability and the effectiveness of the audio-video conference are improved.
With continued reference to fig. 2, the central control module determines whether the load degree of the server is within the allowable range according to the actual utilization rate of the memory of the server, wherein,
the first load degree judging method is that the central control module judges that the load degree of the server is lower than an allowable range under the condition of presetting a first utilization rate, and reduces the capacity of the server by reducing the access quantity of the server and the cloud storage capacity;
the second load degree judging method is that the central control module judges that the load degree of the server is in an allowable range under the condition of presetting a second utilization rate;
the third load degree judging method is that the central control module judges that the load degree of the server exceeds an allowable range under the condition of presetting a third utilization rate, and expands the capacity of the server by increasing the access quantity of the server and the cloud storage capacity;
the preset first utilization rate condition is that the actual utilization rate of the memory of the server is smaller than or equal to the preset first utilization rate; the preset second utilization rate condition is that the actual utilization rate of the memory of the server is larger than the preset first utilization rate and smaller than or equal to the preset second utilization rate; the preset third utilization rate condition is that the actual utilization rate of the memory of the server is larger than the preset second utilization rate; the preset first utilization rate is smaller than the preset second utilization rate.
Specifically, the central control module determines that the load degree of the server is lower than the allowable range under the condition of the preset third utilization rate, sets the initial access quantity of the server to 5, sets the initial cloud storage capacity to 5T, determines that the access quantity of the server is reduced and the cloud storage capacity is reduced to reduce the capacity of the server, the reduced access quantity of the server is 3, and the adjusted cloud storage capacity is 2T.
Specifically, the central control module judges that the load degree of the server exceeds the allowable range under the condition of the preset third utilization rate, sets the initial access quantity of the server as 5, sets the initial cloud storage capacity as 5T, judges that the access quantity of the server is increased and the cloud storage capacity is increased, the access quantity of the increased server as 8, and the adjusted cloud storage capacity as 6T.
With continued reference to fig. 3, the central control module determines whether the running stability of the audio-video conference is within the allowable range according to the number of concurrent conference requests processed in a unit time, wherein,
the first judging method is that the central control module judges that the running stability of the audio-video conference is lower than the allowable range under the condition of the preset first quantity, and the memory duty ratio of the caching process is adjusted to the corresponding duty ratio by calculating the difference value between the preset first quantity and the quantity of the concurrent conference requests processed in unit time;
The second judging method is that the central control module judges that the running stability of the audio-video conference is lower than the allowable range under the condition of a preset second number, preliminarily judges that the validity of the data stored by the server is lower than the allowable range, and judges whether the validity of the data stored by the server is lower than the allowable range for the second time according to the number of repeated conference requests;
the third judging method is that the central control module judges that the running stability of the audio-video conference is in an allowable range under the condition of presetting a third quantity;
the preset first number condition is that the number of concurrent meeting requests processed in unit time is smaller than or equal to the preset first number; the preset second number condition is that the number of concurrent meeting requests processed in unit time is larger than the preset first number and smaller than or equal to the preset second number; the preset third quantity condition is that the quantity of concurrent meeting requests processed in unit time is larger than the preset second quantity; the preset first number is smaller than the preset second number.
Specifically, the number of concurrent meeting requests processed in a unit time is denoted as a, the preset first number is denoted as A1, the preset second number is denoted as A2, wherein A1 < A2, the difference between the preset first number and the number of concurrent meeting requests processed in the unit time is denoted as Δa, and Δa=a1-a is set.
With continued reference to fig. 3, the central control module determines two adjustment modes for the memory duty ratio of the cache process according to the difference between the preset first number and the number of concurrent meeting requests processed in a unit time under the preset first number condition, wherein,
the first adjusting mode is that the central control module adjusts the memory duty ratio of the cache process to a first duty ratio by using a preset second memory duty ratio adjusting coefficient under the condition of a preset first quantity difference value;
the second adjusting mode is that the central control module adjusts the memory duty ratio of the cache process to a second duty ratio by using a preset first memory duty ratio adjusting coefficient under the condition of a preset second quantity difference value;
the preset first quantity difference condition is that the difference between the preset first quantity and the quantity of concurrent meeting requests processed in unit time is smaller than or equal to the preset quantity difference; the preset second quantity difference value condition is that the difference value between the preset first quantity and the quantity of concurrent meeting requests processed in unit time is larger than the preset quantity difference value; the preset first memory duty cycle adjustment coefficient is smaller than the preset second memory duty cycle adjustment coefficient.
Specifically, the preset number difference is denoted as Δa0, the preset first memory duty cycle adjustment coefficient is denoted as α1, the preset second memory duty cycle adjustment coefficient is denoted as α2,0 < α1 < α2 < 1, the memory duty cycle of the cache process is denoted as E, the memory duty cycle of the adjusted cache process is denoted as E ', E' =e×αi, where αi is the preset ith memory duty cycle adjustment coefficient, and i=1, 2 is set.
According to the method, whether the running stability of the audio-video conference is within an allowable range or not is judged by the central control module according to the number of concurrent conference requests processed in unit time through setting a preset first number condition, a preset second number condition and a preset third number condition, the stability of the server is reduced due to the change of the server data, the memory occupation ratio of a caching process is regulated by the central control module through setting a preset first number difference value condition, a preset second number difference value condition, a preset first memory occupation ratio regulating coefficient and a preset second memory occupation ratio regulating coefficient, and the storage efficiency of an effective file is further improved by reducing the memory occupation ratio of the caching process, so that the stability and the effectiveness of the audio-video conference are further improved.
With continued reference to fig. 3, the central control module determines, according to the number of repeated meeting requests and the number ratio of the repeated meeting requests, two secondary determination methods for determining whether the validity of the data stored by the server is within the allowable range, wherein,
the first secondary judging method is that the central control module judges that the validity of the data stored in the server is in an allowable range under the condition of presetting a first duty ratio;
The second secondary judging method is that the central control module judges that the effectiveness of the initial spring data of the server is lower than the allowable range under the condition of a preset second duty ratio, and the data backup period is adjusted to a corresponding period by calculating the difference value between the number duty ratio of repeated conference requests and the preset duty ratio;
the preset first duty ratio condition is that the number duty ratio of repeated meeting requests is smaller than or equal to a preset duty ratio; the preset second duty ratio condition is that the number of repeated meeting requests is larger than the preset duty ratio.
Specifically, the calculation of the number of repeated conference requests to the ratio is commonThe formula is:
where R is the number of repeated meeting requests to the ratio, P1 is the number of repeated meeting requests, and P is the total number of meeting requests.
Specifically, the number of repeated conference requests is denoted as R, the preset duty is denoted as R0, the difference between the number of repeated conference requests and the preset duty is denoted as Δr, and Δr=r—r0 is set.
With continued reference to fig. 3, the central control module determines two adjustment modes for the data backup period according to the difference between the number of repeated meeting requests and the preset duty ratio under the preset second duty ratio condition, wherein,
The first period adjustment mode is that the central control module adjusts the data backup period to a first backup period by using a preset first backup period adjustment coefficient under the condition of a preset first duty ratio difference value;
the second period adjustment mode is that the central control module adjusts the data backup period to a second backup period by using a preset second backup period adjustment coefficient under the condition of a preset second duty ratio difference value;
the preset first duty ratio difference condition is that the difference between the number duty ratio of repeated conference requests and the preset duty ratio is smaller than or equal to the preset duty ratio difference; the preset second duty ratio difference condition is that the difference between the number duty ratio of repeated conference requests and the preset duty ratio is larger than the preset duty ratio difference; the preset first backup period adjustment coefficient is smaller than the preset second backup period adjustment coefficient.
Specifically, the preset duty ratio difference is denoted as Δr0, the preset first backup period adjustment coefficient is denoted as β1, the preset second backup period adjustment coefficient is denoted as β2, wherein 0 < β1 < β2 < 1, the data backup period is denoted as T, the adjusted data backup period is denoted as T ', T' =t× (1+βj), wherein βj is the preset j-th backup period adjustment coefficient, and j=1, 2 are set.
According to the method, the central control module judges whether the validity of the stored data of the server is within the allowable range according to the number of repeated meeting requests by setting a preset first duty ratio condition and a preset second duty ratio condition, and the central control module adjusts the data backup period by setting a preset first duty ratio difference value condition, a preset second duty ratio difference value condition, a preset first backup period adjustment coefficient and a preset second backup period adjustment coefficient, so that the backup of repeated data is reduced by increasing the backup period, the running efficiency of the server is further improved, and the stability and the validity of the audio-video meeting are further improved.
With continued reference to fig. 1, the central control module determines whether the smoothness of the audio-video conference is within the allowable range according to the number of blocking times of the audio-video conference when the initial adjustment of the memory ratio of the buffering process is completed, wherein,
the first fluency judging method is that the central control module judges that the fluency of the audio-video conference is in an allowable range under the condition of a preset first time number;
the second fluency judging method is that the central control module judges that the fluency of the audio-video conference is lower than the allowable range under the condition of a preset second time, and the memory duty ratio of the caching process is secondarily adjusted to a second corresponding duty ratio by calculating the difference value between the blocking times of the audio-video conference and the preset first blocking times;
The third fluency judging method is that the central control module judges that the fluency of the audio-video conference is lower than the allowable range under the condition of a preset third time, preliminarily judges that the effectiveness of capacity expansion is lower than the allowable range, and judges secondarily whether the effectiveness of capacity expansion is lower than the allowable range according to the variance of the residual memory space of the capacity expansion server in a plurality of periods;
the preset first time number condition is that the number of the blocking times of the audio-video conference is smaller than or equal to the preset first blocking times; the preset second time condition is that the blocking times of the audio-video conference are larger than the preset first blocking times and smaller than or equal to the preset second blocking times; the preset third time condition is that the blocking times of the audio-video conference are larger than the preset second blocking times; the preset first jamming times are smaller than the preset second jamming times.
Specifically, the number of the jamb times of the audio-video conference is recorded as C, the preset first number of the jamb times is recorded as C1, the preset second number of the jamb times is recorded as C2, wherein C1 is smaller than C2, the difference between the number of the jamb times of the audio-video conference and the preset first number of the jamb times is recorded as Δc, and Δc=c-C1 is set.
With continued reference to fig. 1, the central control module determines two secondary adjustment modes for the memory ratio of the caching process according to the difference between the number of times of blocking of the audio/video conference and the preset first number of times of blocking under the condition of the preset second number of times, wherein,
The first secondary adjustment mode is that the central control module adjusts the memory duty ratio of the cache process to the third duty ratio by using a preset fourth memory duty ratio adjustment coefficient under the condition of preset first time difference value;
the second secondary adjustment mode is that the central control module adjusts the memory duty ratio of the cache process to a fourth duty ratio by using a preset third memory duty ratio adjustment coefficient under the condition of a preset second time difference value;
the preset first time difference value condition is that the difference value between the jamming times of the audio-video conference and the preset first jamming times is smaller than or equal to the preset jamming times difference value; the preset second time difference condition is that the difference between the jamming times of the audio-video conference and the preset first jamming times is larger than the preset jamming times difference; the preset third memory duty cycle adjustment coefficient is smaller than the preset fourth memory duty cycle adjustment coefficient.
Specifically, the preset difference of the number of clamping times is denoted as Δc0, the preset third memory duty cycle adjustment coefficient is denoted as α3, the preset fourth memory duty cycle adjustment coefficient is denoted as α4,1 < α3 < α4, the memory duty cycle of the cache process after the secondary adjustment is denoted as E ", E" =e' ×αk, where αk is the preset kth memory duty cycle adjustment coefficient, and k=3, 4 is set.
According to the method, after the memory ratio of the caching process is primarily adjusted, the central control module judges whether the smoothness of the audio and video conference is within an allowable range or not according to the blocking times of the audio and video conference, the blocking times of the audio and video conference are increased due to the reduction of the memory ratio of the cache, and the stability and the effectiveness of the audio and video conference are further improved by setting the preset first time difference value condition, the preset second time difference value condition, the preset third memory ratio adjusting coefficient and the preset fourth memory ratio adjusting coefficient.
With continued reference to fig. 1, the central control module determines whether the effectiveness of capacity expansion is within the allowable range according to the variance of the remaining memory space of the capacity expansion server in a plurality of periods under the condition of a preset third time, wherein,
the first capacity expansion effectiveness secondary judging method is that the central control module judges that the effectiveness of capacity expansion is in an allowable range under the condition of a preset first variance;
The second method for determining the capacity expansion effectiveness secondarily includes that the central control module determines that the effectiveness of capacity expansion is lower than an allowable range under the condition of a preset second variance, and the capacity ratio of cloud storage is adjusted to a corresponding capacity ratio by calculating the difference between the variance of the residual memory space of the capacity expansion server in a plurality of periods and the preset variance;
the preset first variance condition is that the variance of the residual memory space of the capacity expansion server in a plurality of periods is smaller than or equal to a preset variance; and the preset second variance condition is that the variance of the residual memory space of the capacity expansion server in a plurality of periods is larger than the preset variance.
Specifically, the variance of the remaining memory space of the capacity expansion server in a plurality of periods is denoted as X, the preset variance is denoted as X0, the difference between the variance of the remaining memory space of the capacity expansion server in a plurality of periods and the preset variance is denoted as Δx, and Δx=x-X0 is set.
With continued reference to fig. 1, the central control module determines two adjustment modes for the capacity ratio of the cloud storage according to the difference between the variance of the residual memory space of the expansion server and the preset variance in a plurality of periods under the condition of the preset second variance, wherein,
the first capacity ratio adjusting mode is that the central control module adjusts the capacity ratio stored in the cloud to a first capacity ratio by using a preset first capacity ratio adjusting coefficient under the condition of a preset first variance difference;
The second capacity ratio adjusting mode is that the central control module uses a preset second capacity ratio adjusting coefficient to adjust the capacity ratio stored in the cloud to a second capacity ratio under the condition of a preset second variance difference value;
the preset first variance difference condition is that the variance of the residual memory space of the capacity expansion server in a plurality of periods is smaller than or equal to the preset variance difference value; the preset second variance difference condition is that the difference value between the variance of the residual memory space of the capacity expansion server and the preset variance is smaller than or equal to the preset variance difference value according to a plurality of periods; the preset first capacity fraction adjustment coefficient is less than the preset second capacity fraction adjustment coefficient.
Specifically, the preset variance difference is denoted as Δx0, the preset first capacity ratio adjustment coefficient is denoted as δ1, the preset second capacity ratio adjustment coefficient is denoted as δ2,1 < δ1 < δ2, the capacity ratio stored in the cloud is denoted as Z, the capacity ratio stored in the cloud after adjustment is denoted as Z ', Z' =z× (1+δg)/2 is set, where δg is the preset g-th capacity ratio adjustment coefficient, and g=1, 2 is set.
According to the method, the central control module judges whether the capacity expansion effectiveness is within the allowable range according to the preset first variance condition and the preset second variance, the capacity expansion effectiveness is reduced due to unbalance of capacity expansion, the load capacity of the server is affected, the capacity occupation ratio of cloud storage is adjusted through the preset first variance difference condition, the preset second variance difference condition, the preset first capacity occupation ratio adjusting coefficient and the preset second capacity occupation ratio adjusting coefficient, and the stability and the effectiveness of an audio-video conference are further improved through increasing the capacity occupation ratio of the cloud storage.
Example 1
In this embodiment, the preset number of differences Δa0=5 times, the preset first memory-duty-cycle adjustment coefficient α1=0.8, the preset second memory-duty-cycle adjustment coefficient α2=0.9, the memory duty cycle e=0.6 of the caching process,
in this embodiment, Δa=4 times is obtained, the central control module determines that Δa is less than or equal to Δa0, and uses α2 to adjust the memory duty ratio of the cache process, where the adjusted memory duty ratio E' =0.6x0.9=0.54.
According to the embodiment of the invention, the memory duty ratio of the caching process is adjusted by using the corresponding adjusting coefficient, so that the stability and the effectiveness of the audio-video conference are further improved.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A method for expanding and shrinking the capacity of a server in an audio/video conference is characterized by comprising the following steps:
step S1, in the running process of an audio-video conference, a central control module judges whether the load degree of a server is within an allowable range according to the actual utilization rate of a memory of the server, and when the load degree of the server is lower than or exceeds the allowable range, the capacity of the server is expanded or contracted by respectively adjusting the access quantity and the cloud storage capacity of the server;
step S2, when the central control module completes the capacity expansion or contraction operation of a single operation period of the server, the central control module judges whether the operation stability of the audio-video conference is in an allowable range according to the number of concurrent conference requests processed in unit time, and when judging that the operation stability of the audio-video conference is lower than the allowable range, the memory ratio of a cache process is primarily adjusted to a first corresponding ratio, or the conference data backup period is adjusted to a corresponding period according to the number of repeated conference requests;
step S3, when the primary adjustment of the memory ratio of the caching process is completed, the central control module judges whether the smoothness of the audio-video conference is within an allowable range or not according to the blocking times of the audio-video conference in a unit operation period;
Step S4, when the central control module determines that the fluency of the audio-video conference is lower than the allowable range, the central control module secondarily adjusts the memory duty ratio of the caching process to a second corresponding duty ratio, or adjusts the capacity duty ratio of cloud storage to the corresponding capacity duty ratio according to the variance of the residual memory space of the capacity expansion server in a plurality of periods;
the central control module determines whether the running stability of the audio-video conference is within the allowable range according to the number of the concurrent conference requests processed in unit time, wherein,
the first judging method is that the central control module judges that the running stability of the audio-video conference is lower than the allowable range under the condition of the preset first quantity, and the memory duty ratio of the caching process is adjusted to the corresponding duty ratio by calculating the difference value between the preset first quantity and the quantity of the concurrent conference requests processed in unit time;
the second judging method is that the central control module judges that the running stability of the audio-video conference is lower than the allowable range under the condition of a preset second number, preliminarily judges that the validity of the data stored by the server is lower than the allowable range, and judges whether the validity of the data stored by the server is lower than the allowable range for the second time according to the number of repeated conference requests;
The third judging method is that the central control module judges that the running stability of the audio-video conference is in an allowable range under the condition of presetting a third quantity;
the preset first number condition is that the number of concurrent meeting requests processed in unit time is smaller than or equal to the preset first number; the preset second number condition is that the number of concurrent meeting requests processed in unit time is larger than the preset first number and smaller than or equal to the preset second number; the preset third quantity condition is that the quantity of concurrent meeting requests processed in unit time is larger than the preset second quantity; the preset first number is smaller than the preset second number;
the central control module determines whether the validity of the server storage data is within the allowable range according to the number ratio of repeated meeting requests under the preset second number condition, wherein,
the first secondary judging method is that the central control module judges that the validity of the data stored in the server is in an allowable range under the condition of presetting a first duty ratio;
the second secondary judging method is that the central control module judges that the effectiveness of the initial spring data of the server is lower than the allowable range under the condition of a preset second duty ratio, and the data backup period is adjusted to a corresponding period by calculating the difference value between the number duty ratio of repeated conference requests and the preset duty ratio;
The preset first duty ratio condition is that the number duty ratio of repeated meeting requests is smaller than or equal to a preset duty ratio; the preset second duty ratio condition is that the number of repeated meeting requests is larger than the preset duty ratio.
2. The method for expanding and contracting capacity of a server in an audio/video conference according to claim 1, wherein the central control module determines whether the load degree of the server is within an allowable range according to the actual utilization rate of the memory of the server, wherein,
the first load degree judging method is that the central control module judges that the load degree of the server is lower than an allowable range under the condition of presetting a first utilization rate, and reduces the capacity of the server by reducing the access quantity of the server and the cloud storage capacity;
the second load degree judging method is that the central control module judges that the load degree of the server is in an allowable range under the condition of presetting a second utilization rate;
the third load degree judging method is that the central control module judges that the load degree of the server exceeds an allowable range under the condition of presetting a third utilization rate, and expands the capacity of the server by increasing the access quantity of the server and the cloud storage capacity;
The preset first utilization rate condition is that the actual utilization rate of the memory of the server is smaller than or equal to the preset first utilization rate; the preset second utilization rate condition is that the actual utilization rate of the memory of the server is larger than the preset first utilization rate and smaller than or equal to the preset second utilization rate; the preset third utilization rate condition is that the actual utilization rate of the memory of the server is larger than the preset second utilization rate; the preset first utilization rate is smaller than the preset second utilization rate.
3. The method for expanding and shrinking capacity of server in audio/video conference according to claim 2, wherein said central control module determines two adjustment modes for memory ratio of cache process according to difference between preset first number and concurrent conference request number processed in unit time under the condition of preset first number,
the first adjusting mode is that the central control module adjusts the memory duty ratio of the cache process to a first duty ratio by using a preset second memory duty ratio adjusting coefficient under the condition of a preset first quantity difference value;
the second adjusting mode is that the central control module adjusts the memory duty ratio of the cache process to a second duty ratio by using a preset first memory duty ratio adjusting coefficient under the condition of a preset second quantity difference value;
The preset first quantity difference condition is that the difference between the preset first quantity and the quantity of concurrent meeting requests processed in unit time is smaller than or equal to the preset quantity difference; the preset second quantity difference value condition is that the difference value between the preset first quantity and the quantity of concurrent meeting requests processed in unit time is larger than the preset quantity difference value; the preset first memory duty cycle adjustment coefficient is smaller than the preset second memory duty cycle adjustment coefficient.
4. The method for expanding and shrinking capacity of a server in an audio/video conference according to claim 3, wherein the central control module determines two adjustment modes for a data backup period according to a difference between a number of repeated conference requests and a preset duty ratio under a preset second duty ratio condition,
the first period adjustment mode is that the central control module adjusts the data backup period to a first backup period by using a preset first backup period adjustment coefficient under the condition of a preset first duty ratio difference value;
the second period adjustment mode is that the central control module adjusts the data backup period to a second backup period by using a preset second backup period adjustment coefficient under the condition of a preset second duty ratio difference value;
The preset first duty ratio difference condition is that the difference between the number duty ratio of repeated conference requests and the preset duty ratio is smaller than or equal to the preset duty ratio difference; the preset second duty ratio difference condition is that the difference between the number duty ratio of repeated conference requests and the preset duty ratio is larger than the preset duty ratio difference; the preset first backup period adjustment coefficient is smaller than the preset second backup period adjustment coefficient.
5. The method for expanding and shrinking volume of an audio/video conference server according to claim 4, wherein said central control module determines whether the smoothness of the audio/video conference is within an allowable range according to the number of times of blocking the audio/video conference when the initial adjustment of the memory ratio of the buffering process is completed, wherein,
the first fluency judging method is that the central control module judges that the fluency of the audio-video conference is in an allowable range under the condition of a preset first time number;
the second fluency judging method is that the central control module judges that the fluency of the audio-video conference is lower than the allowable range under the condition of a preset second time, and the memory duty ratio of the caching process is secondarily adjusted to a second corresponding duty ratio by calculating the difference value between the blocking times of the audio-video conference and the preset first blocking times;
The third fluency judging method is that the central control module judges that the fluency of the audio-video conference is lower than the allowable range under the condition of a preset third time, preliminarily judges that the effectiveness of capacity expansion is lower than the allowable range, and judges secondarily whether the effectiveness of capacity expansion is lower than the allowable range according to the variance of the residual memory space of the capacity expansion server in a plurality of periods;
the preset first time number condition is that the number of the blocking times of the audio-video conference is smaller than or equal to the preset first blocking times; the preset second time condition is that the blocking times of the audio-video conference are larger than the preset first blocking times and smaller than or equal to the preset second blocking times; the preset third time condition is that the blocking times of the audio-video conference are larger than the preset second blocking times; the preset first jamming times are smaller than the preset second jamming times.
6. The method for expanding and shrinking capacity of an audio/video conference server according to claim 5, wherein said central control module determines two secondary adjustment modes for memory ratio of a caching process according to difference between the number of times of blocking of the audio/video conference and the preset first number of times of blocking under the condition of the preset second number of times,
The first secondary adjustment mode is that the central control module adjusts the memory duty ratio of the cache process to the third duty ratio by using a preset fourth memory duty ratio adjustment coefficient under the condition of preset first time difference value;
the second secondary adjustment mode is that the central control module adjusts the memory duty ratio of the cache process to a fourth duty ratio by using a preset third memory duty ratio adjustment coefficient under the condition of a preset second time difference value;
the preset first time difference value condition is that the difference value between the jamming times of the audio-video conference and the preset first jamming times is smaller than or equal to the preset jamming times difference value; the preset second time difference condition is that the difference between the jamming times of the audio-video conference and the preset first jamming times is larger than the preset jamming times difference; the preset third memory duty cycle adjustment coefficient is smaller than the preset fourth memory duty cycle adjustment coefficient.
7. The method for expanding and shrinking capacity of server in audio/video conference according to claim 6, wherein said central control module determines whether the effectiveness of expansion is within the allowable range according to the variance of the remaining memory space of the expansion server in several periods under the condition of preset third times,
The first capacity expansion effectiveness secondary judging method is that the central control module judges that the effectiveness of capacity expansion is in an allowable range under the condition of a preset first variance;
the second method for determining the capacity expansion effectiveness secondarily includes that the central control module determines that the effectiveness of capacity expansion is lower than an allowable range under the condition of a preset second variance, and the capacity ratio of cloud storage is adjusted to a corresponding capacity ratio by calculating the difference between the variance of the residual memory space of the capacity expansion server in a plurality of periods and the preset variance;
the preset first variance condition is that the variance of the residual memory space of the capacity expansion server in a plurality of periods is smaller than or equal to a preset variance; and the preset second variance condition is that the variance of the residual memory space of the capacity expansion server in a plurality of periods is larger than the preset variance.
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