CN116841801B - Data backup method and system based on cloud server - Google Patents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
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- G06F11/1451—Management of the data involved in backup or backup restore by selection of backup contents
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- G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory
Abstract
The invention relates to the technical field of data backup, in particular to a data backup method and system based on a cloud server, wherein the system comprises the following steps: the data acquisition module is used for acquiring backup characteristic parameters; the data processing module is used for outputting the secondary backup characteristic parameters; the central control module is used for adjusting the operating memory duty ratio of the backup system to a first corresponding duty ratio according to the reduced number of the files after the backup, or adjusting the number of format conversion types to a corresponding number according to the number duty ratio of the messy code files after the backup, and adjusting the operating memory duty ratio of the backup system to a second corresponding duty ratio according to the downtime times under the condition of the adjusted operating memory duty ratio of the backup system under the first condition, and adjusting the backup frequency to a corresponding frequency according to the growth speed of the files to be backed up under the second condition. The invention realizes the improvement of the efficiency of data backup and the accuracy of backup.
Description
Technical Field
The present invention relates to the field of data backup technologies, and in particular, to a data backup method and system based on a cloud server.
Background
With the rapid development of computer technology, more and more enterprises use computer systems to process daily business, data and information gradually become business foundation and economic pulse of each industry, and the data recovery ability for obtaining complete business data backup and business data loss in the transmission process of business data is particularly important.
Chinese patent publication No.: CN109582503a discloses a multi-cascade data backup system, which comprises six parts, namely a main replication management server, a source end database server, a main backup storage server, a regional replication management server, a regional source end database server and a regional backup storage server; the system comprises a plurality of areas, wherein each area is internally provided with an area copy management server, an area source end database server and an area backup storage server; the systems are connected through a communication network and synchronize data; aiming at the backup requirement of large enterprises, the invention establishes a multi-cascade data backup system to cascade a plurality of data backup systems to form the data backup system shared among multiple areas, thus the multi-cascade data backup system has the following problems: the lack of a determination of the difference between the type of files to be backed up and the storage type of the cloud server results in a decrease in backup system stability.
Disclosure of Invention
Therefore, the invention provides a data backup method and system based on a cloud server, which are used for solving the problem that the stability of a backup system is reduced due to the lack of judgment of the difference between the type of files to be backed up and the storage type of the cloud server in the prior art.
In order to achieve the above object, the present invention provides a data backup method and system based on a cloud server, including: the data acquisition module is used for acquiring backup characteristic parameters, wherein the backup characteristic parameters comprise the total number of the backed-up files, the number of the backed-up messy code files, the downtime times and the number of the files to be backed-up; the data processing module is connected with the data acquisition module and is used for calculating the backup characteristic parameters to output secondary backup characteristic parameters, wherein the secondary backup characteristic parameters comprise the reduced number of the files after backup, the number proportion of the messy code files after backup and the growth speed of the files to be backed up; the data storage module is respectively connected with the data acquisition module and the data processing module and is used for respectively storing the backup characteristic parameters, the secondary backup characteristic parameters and the backup data; the central control module is respectively connected with the data acquisition module, the data processing module and the data storage module, and is used for adjusting the operating memory duty ratio of the backup system to a first corresponding duty ratio when the stability of the backup system is judged to be lower than an allowable range according to the reduced number of the files after backup, or adjusting the number of format conversion types to a corresponding number according to the number duty ratio of the messy code files after backup, and adjusting the operating memory duty ratio of the backup system to a second corresponding duty ratio according to the downtime times under the condition of the adjusted operating memory duty ratio of the backup system under the first condition, and adjusting the backup frequency to a corresponding frequency according to the growth speed of the files to be backed up under the second condition; the first condition is that the central control module completes primary adjustment of the operating memory ratio of the backup system, and the second condition is that the central control module completes secondary adjustment of the operating memory ratio of the backup system.
Further, the central control module determines three determination methods of whether the stability of the backup system is within an allowable range according to the reduced number of the files after the backup is completed, wherein,
the first judging method is that the central control module judges that the stability of the backup system is within an allowable range under the condition of presetting a first reduced number;
the second judging method is that the central control module judges that the stability of the backup system is lower than the allowable range under the condition of presetting a second reduction number, and the operating memory duty ratio of the backup system is adjusted to a first corresponding duty ratio by calculating the difference value between the reduction number of the files after backup and the preset first reduction number;
the third judging method is that the central control module judges that the stability of the backup system is lower than the allowable range under the condition of presetting a third reduction number, preliminarily judges that the difference between the type of the file to be backed up and the storage type of the cloud server exceeds the allowable range, and judges secondarily whether the difference between the type of the file to be backed up and the storage type of the cloud server exceeds the allowable range according to the number proportion of the messy code files after backup;
the preset first reduction number condition is that the reduction number of the files after the backup is smaller than or equal to the preset first reduction number; the preset second reduction number condition is that the reduction number of the files after the backup is larger than the preset first reduction number and smaller than or equal to the preset second reduction number; the condition of the preset third reduction number is that the reduction number of the files after the backup is completed is larger than the preset second reduction number; the preset first reduction is less than the preset second reduction.
Further, the central control module determines two adjustment modes for the running memory ratio of the backup system according to the difference value between the reduced number of the files which are backed up and the preset first reduced number under the condition of the preset second reduced number, wherein,
the first adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a first duty ratio by using a preset first memory adjustment coefficient under the condition of presetting a first reduced number difference value;
the second adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a second duty ratio by using a preset second memory adjustment coefficient under the condition of presetting a second reduced number difference value;
the preset first reduction number difference condition is that the difference between the reduction number of the files after backup and the preset first reduction number is smaller than or equal to the preset reduction number difference; the preset second reduction number difference condition is that the difference between the reduction number of the files after backup and the preset first reduction number is larger than the preset reduction number difference; the preset first memory adjustment coefficient is smaller than the preset second memory adjustment coefficient.
Further, the central control module determines whether the difference between the type of the file to be backed up and the storage type of the cloud server exceeds the allowable range according to the number ratio of the backed up messy code files under the preset third reduction number condition, wherein,
The first secondary judging method is that the central control module judges that the difference between the type of the file to be backed up and the storage type of the cloud 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 difference between the type of the file to be backed up and the storage type of the cloud server exceeds an allowable range under the condition of a preset second duty ratio, and the number of format conversion types of the format conversion program is adjusted to be corresponding by calculating the difference between the number duty ratio of the messy code files after backup and the number duty ratio of the preset files;
the first preset duty ratio condition is that the number duty ratio of the messy code files after backup is smaller than or equal to the preset number duty ratio of the files; the preset second duty ratio condition is that the number duty ratio of the messy code files after backup is larger than the preset number duty ratio of the files.
The calculation formula of the number ratio of the backed up messy code files is as follows:
wherein R is the number ratio of the messy code files after backup, P 1 And P is the total number of the backed up files.
Further, the central control module determines two adjustment modes for the number of format conversion types according to the difference value between the number of the backed-up messy code files and the preset file number under the preset second duty ratio condition, wherein,
The first conversion type quantity adjusting mode is that the central control module adjusts the quantity of format conversion types to a first quantity by using a preset first quantity adjusting coefficient under the condition of a preset first duty ratio difference value;
the second conversion type quantity adjusting mode is that the central control module adjusts the quantity of format conversion types to a second quantity by using a preset second quantity adjusting coefficient under the condition of a preset second duty ratio difference value;
the preset first duty ratio difference condition is that the difference value between the number duty ratio of the backed-up messy code files and the preset file number duty ratio is smaller than or equal to the preset duty ratio difference value; the preset second duty ratio difference condition is that the difference between the number duty ratio of the backed up messy code files and the preset file number duty ratio is larger than the preset duty ratio difference; the preset first number adjustment factor is smaller than the preset second number adjustment factor.
Further, the central control module determines whether the disaster occurrence risk is within the allowable range according to the downtime times when the adjustment of the running memory ratio of the backup system is completed, wherein,
the first risk judging method is that the central control module judges that the disaster occurrence risk is in an allowable range under the condition of presetting a first quantity;
The second risk judging method is that the central control module judges that the disaster occurrence risk exceeds the allowable range under the condition of a preset second number, and the operating memory duty ratio of the backup system is secondarily adjusted to a second corresponding duty ratio by calculating the difference value of the downtime times and the preset times;
the first preset number of conditions is that the downtime times are smaller than or equal to preset times; the preset second number of conditions is that the downtime times are larger than preset times.
Further, the central control module determines two secondary adjustment modes for the running memory ratio of the backup system according to the difference value between the downtime times and the preset times under the preset second number of conditions, wherein,
the first secondary adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a third duty ratio by using a preset fourth memory adjustment coefficient under the condition of a preset first quantity difference value;
the second secondary adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a fourth duty ratio by using a preset third memory adjustment coefficient under the condition of a preset second quantity difference value;
the first preset number difference condition is that the difference between the downtime times and the preset times is smaller than or equal to the preset number difference; the preset second quantity difference value condition is that the difference value between the downtime times and the preset times is larger than the preset quantity difference value; the preset third memory adjustment coefficient is smaller than the preset fourth memory adjustment coefficient.
Further, the central control module determines whether the backup efficiency of the cloud server is within the allowable range according to the growth speed of the file to be backed up under the second condition, wherein,
the first efficiency judging method is that the central control module judges that the backup efficiency of the cloud server is in an allowable range under the condition of presetting a first growth speed;
the second efficiency judging method is that the central control module judges a first allowable range of the cloud server backup efficiency under the condition of a preset second growth speed, and the backup frequency is adjusted to a corresponding frequency by calculating the difference value between the growth speed of the file to be backed up and the preset growth speed;
the preset first growth speed condition is that the growth speed of the file to be backed up is smaller than or equal to a preset growth speed; the preset second growth speed condition is that the growth speed of the file to be backed up is larger than the preset growth speed.
Further, the central control module determines two adjustment modes for the backup frequency according to the difference value between the growth speed of the file to be backed up and the preset growth speed under the condition of the preset second growth speed, wherein,
the first frequency adjustment mode is that the central control module adjusts the backup frequency to a first frequency by using a preset first frequency adjustment coefficient under the condition of presetting a first increase speed difference value;
The second frequency adjustment mode is that the central control module adjusts the backup frequency to a second frequency by using a preset second frequency adjustment coefficient under the condition of presetting a second increase speed difference value;
the preset first growth speed difference condition is that the difference between the growth speed of the file to be backed up and the preset growth speed is smaller than or equal to the preset growth speed difference; the preset second growth speed difference condition is that the difference between the growth speed of the file to be backed up and the preset growth speed is larger than the preset growth speed difference; the preset first frequency adjustment coefficient is smaller than the preset second frequency adjustment coefficient.
The invention also provides a data backup method based on the cloud server, which comprises the following steps:
step S1, a data acquisition module acquires primary backup characteristic parameters, wherein the primary backup characteristic parameters comprise the total number of backed-up files, the number of backed-up messy code files, the downtime times and the number of files to be backed-up;
step S2, the data processing module calculates secondary backup characteristic parameters according to the primary backup characteristic parameters, wherein the secondary backup characteristic parameters comprise the reduced number of files after backup, the number ratio of messy code files after backup and the growth speed of files to be backed up;
Step S3, when the central control module judges that the stability of the backup system is lower than the allowable range according to the reduced number of the files after the backup, the operating memory duty ratio of the backup system is adjusted to a first corresponding duty ratio, or the number of format conversion types is adjusted to a corresponding number according to the number duty ratio of the messy code files after the backup;
step S4, when the primary adjustment of the operating memory ratio of the backup system is completed, the central control module adjusts the operating memory ratio of the backup system to a second corresponding ratio according to the downtime times under the condition of the adjusted operating memory ratio of the backup system;
and S5, when the secondary adjustment of the operating memory ratio of the backup system is completed, the central control module adjusts the backup frequency to the corresponding frequency according to the growth speed of the files to be backed up.
Compared with the prior art, the data backup system has the advantages that the data acquisition module, the data processing module, the data storage module and the central control module are arranged, when the data are backed up, the data detection, the data storage and the corresponding adjustment are carried out on the backup system, the reduction of the number of the files after the backup is over large, the reduction of the stability of the system is reflected, the central control module adjusts the operation memory ratio of the backup system according to the reduction of the number of the files after the backup, the backup capacity of the files is increased by increasing the operation memory ratio of the backup system, the stability of the backup system is improved, or the number of the messy code files after the backup is adjusted according to the number of the format conversion types, the occurrence frequency of the format mismatch event is reduced by increasing the number of format conversion types of the backup system, the operating memory ratio of the backup system is adjusted, the operating memory ratio of the backup system is secondarily adjusted according to the adjusted downtime times, the safety of equipment where the files to be backed up are located is reduced due to the fact that the operating memory ratio of the backup system is overlarge, the operating stability of the equipment where the files to be backed up are located is improved by reducing the operating memory ratio of the backup system, the backup frequency is adjusted according to the increasing speed of the files to be backed up, and the efficiency of data backup and the accuracy of backup are improved.
Further, in the data backup system, the central control module judges the stability of the backup system by setting the preset first reduction quantity condition, the preset second reduction quantity condition and the preset third reduction quantity condition, the reduction amplitude of the number of the backed-up files is too large, the backup efficiency is reduced, the central control module adjusts the operating memory duty ratio of the backup system by setting the preset first reduction quantity difference value condition, the preset second reduction quantity difference value condition, the preset first memory adjusting coefficient and the preset second memory adjusting coefficient, the number of the backed-up files is increased by increasing the operating memory duty ratio of the backup system, the backup card time is reduced, and the data backup efficiency and the backup accuracy are further improved.
Further, in the data backup system, the central control module judges the difference between the type of the file to be backed up and the storage type of the cloud server by setting the preset first duty ratio condition and the preset second duty ratio condition, and the occurrence frequency of the format mismatch event is reduced by increasing the number of the format conversion types of the backup system, so that the efficiency of data backup and the accuracy of backup are further improved.
Further, according to the data backup system, whether the disaster occurrence risk is within the allowable range is judged by the central control module through setting the preset first quantity condition and the preset second quantity condition, and because the system paralysis risk is increased after the operation memory ratio of the backup system is adjusted, the operation memory ratio of the backup system is secondarily adjusted by setting the preset first quantity difference condition, the preset second quantity difference condition, the preset third memory adjustment coefficient and the preset fourth memory adjustment coefficient, and the stability and the safety of equipment where the files to be backed up are located are improved by reducing the operation memory ratio of the backup system, so that the data backup efficiency and the backup accuracy are further improved.
Further, in the data backup system, the central control module judges the backup efficiency of the cloud server by setting the preset first growth speed condition and the preset second growth speed condition, when the growth speed of the file to be backed up is too high, the update backup frequency of the existing backup system is low and cannot adapt to the growth speed of the file to be backed up, and by setting the preset first growth speed difference value condition, the preset second growth speed difference value condition, the preset first frequency adjustment coefficient and the preset second frequency adjustment coefficient, the central control module adjusts the backup frequency, increases the backup efficiency by increasing the update frequency, and further improves the efficiency of data backup and the accuracy of backup.
Drawings
FIG. 1 is a block diagram of the overall structure of a data backup system based on a cloud server according to an embodiment of the present invention;
FIG. 2 is a block diagram illustrating a specific structure of a data processing module of a data backup system based on a cloud server according to an embodiment of the present invention;
FIG. 3 is a block diagram of a connection structure of a data processing module and a central control module of a data backup system based on a cloud server according to an embodiment of the present invention;
fig. 4 is an overall flowchart of a data backup method based on a cloud server 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, fig. 3, and fig. 4 show an overall structure block diagram of a data backup system based on a cloud server, a specific structure block diagram of a data processing module, a connection structure block diagram of the data processing module connected to a central control module, and an overall flowchart of a data backup method based on the cloud server according to an embodiment of the present invention. The invention discloses a data backup system based on a cloud server, which comprises the following components:
The data acquisition module is used for acquiring backup characteristic parameters, wherein the backup characteristic parameters comprise the total number of the backed-up files, the number of the backed-up messy code files, the downtime times and the number of the files to be backed-up;
the data processing module is connected with the data acquisition module and is used for calculating the backup characteristic parameters to output secondary backup characteristic parameters, wherein the secondary backup characteristic parameters comprise the reduced number of the files after backup, the number proportion of the messy code files after backup and the growth speed of the files to be backed up;
the data storage module is respectively connected with the data acquisition module and the data processing module and is used for respectively storing the backup characteristic parameters, the secondary backup characteristic parameters and the backup data;
the central control module is respectively connected with the data acquisition module, the data processing module and the data storage module and is used for adjusting the running memory duty ratio of the backup system to a first corresponding duty ratio when the stability of the backup system is lower than the allowable range according to the reduced number of the files after the backup is completed, or adjusting the number of format conversion types to a corresponding number according to the number duty ratio of the messy code files after the backup,
And adjusting the operating memory duty ratio of the backup system to a second corresponding duty ratio according to the downtime times under the condition of the adjusted operating memory duty ratio of the backup system under the first condition,
and adjusting the backup frequency to a corresponding frequency according to the growth speed of the file to be backed up under the second condition;
the first condition is that the central control module completes primary adjustment of the operating memory ratio of the backup system, and the second condition is that the central control module completes secondary adjustment of the operating memory ratio of the backup system.
Specifically, the growth speed of the files to be backed up is the growth quantity of the files to be backed up in unit time.
Specifically, the data processing module includes:
the data screening component is used for screening the backed-up messy code files;
and the data computing component is connected with the data screening component and is used for computing the secondary backup characteristic parameters.
According to the data backup system, the data acquisition module, the data processing module, the data storage module and the central control module are arranged, data detection, data storage and corresponding adjustment are carried out on the backup system when the data are backed up, the reduction amplitude of the number of files subjected to backup reflects the reduction of the system stability, the central control module adjusts the operation memory occupation ratio of the backup system according to the reduced number of the files subjected to backup, the operation memory occupation ratio of the backup system is increased, the backup capacity of the files is increased, the stability of the backup system is improved, or the number of format conversion types is adjusted according to the number of the messy code files subjected to backup, the occurrence frequency of format mismatch events is reduced by increasing the number of the format conversion types of the backup system, and after the operation memory occupation ratio of the backup system is adjusted, the operation memory occupation ratio of the backup system is secondarily adjusted according to the adjusted downtime times, the safety backup of equipment where the files to be backed up is located is reduced due to the fact that the operation memory occupation ratio of the backup system is too large, the operation memory occupation ratio of the equipment where the files to be backed up is located is improved, the operation stability of the equipment where the files to be backed up is located is improved, the efficiency of the equipment to be backed up is increased according to the increase of the frequency of the files to be backed up is improved, and the data is accurately adjusted.
Please continue to participate in fig. 1, which is characterized in that the central control module determines whether the stability of the backup system is within the allowable range according to the reduced number of files after the backup, wherein,
the first judging method is that the central control module judges that the stability of the backup system is within an allowable range under the condition of presetting a first reduced number;
the second judging method is that the central control module judges that the stability of the backup system is lower than the allowable range under the condition of presetting a second reduction number, and the operating memory duty ratio of the backup system is adjusted to the corresponding duty ratio by calculating the difference value between the reduction number of the files after backup and the preset first reduction number;
the third judging method is that the central control module judges that the stability of the backup system is lower than the allowable range under the condition of presetting a third reduction number, preliminarily judges that the difference between the type of the file to be backed up and the storage type of the cloud server exceeds the allowable range, and judges secondarily whether the difference between the type of the file to be backed up and the storage type of the cloud server exceeds the allowable range according to the number proportion of the messy code files after backup;
the preset first reduction number condition is that the reduction number of the files after the backup is smaller than or equal to the preset first reduction number; the preset second reduction number condition is that the reduction number of the files after the backup is larger than the preset first reduction number and smaller than or equal to the preset second reduction number; the condition of the preset third reduction number is that the reduction number of the files after the backup is completed is larger than the preset second reduction number; the preset first reduction is less than the preset second reduction.
Specifically, the reduced number of files that are backed up is the absolute value of the difference between the total number of files that are backed up and the total number of history files.
Specifically, the reduced number of the files after the backup is recorded as W, the preset first reduced number is recorded as W1, the preset second reduced number is recorded as W2, the difference between the reduced number of the files after the backup and the preset first reduced number is recorded as Δw, and Δw=w-W1 is set.
Please continue to participate in fig. 1, the central control module determines two adjustment modes for the operating memory ratio of the backup system according to the difference between the reduced number of the files after the backup and the preset first reduced number under the preset second reduced number condition, wherein,
the first adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a first duty ratio by using a preset first memory adjustment coefficient under the condition of presetting a first reduced number difference value;
the second adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a second duty ratio by using a preset second memory adjustment coefficient under the condition of presetting a second reduced number difference value;
the preset first reduction number difference condition is that the difference between the reduction number of the files after backup and the preset first reduction number is smaller than or equal to the preset reduction number difference; the preset second reduction number difference condition is that the difference between the reduction number of the files after backup and the preset first reduction number is larger than the preset reduction number difference; the preset first memory adjustment coefficient is smaller than the preset second memory adjustment coefficient.
Specifically, the preset reduction number difference is denoted as Δw0, the preset first memory adjustment coefficient is denoted as α1, the preset second memory adjustment coefficient is denoted as α2, where 1 < α1 < α2, the operating memory duty cycle of the backup system is denoted as E, the adjusted operating memory duty cycle of the backup system is denoted as E ', E' =e×αi is set, where αi is the preset ith memory adjustment coefficient, and i=1, 2 is set.
The data backup system of the invention judges the stability of the backup system by setting the preset first reduction quantity condition, the preset second reduction quantity condition and the preset third reduction quantity condition, the reduction amplitude of the number of the files after the backup is too large can reduce the backup efficiency, and the central control module regulates the operating memory ratio of the backup system by setting the preset first reduction quantity difference value condition, the preset second reduction quantity difference value condition, the preset first memory regulating coefficient and the preset second memory regulating coefficient, reduces the backup card pause time by increasing the operating memory ratio of the backup system, improves the backup file number, and further improves the data backup efficiency and the backup accuracy.
Please continue to participate in fig. 1, the central control module determines, according to the number of the backed-up messy code files and the number ratio of the backed-up messy code files, whether the difference between the type of the file to be backed-up and the storage type of the cloud server exceeds the allowable range, by two secondary determination methods, wherein,
The first secondary judging method is that the central control module judges that the difference between the type of the file to be backed up and the storage type of the cloud 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 difference between the type of the file to be backed up and the storage type of the cloud server exceeds an allowable range under the condition of a preset second duty ratio, and the number of format conversion types of the format conversion program is adjusted to be corresponding by calculating the difference between the number duty ratio of the messy code files after backup and the number duty ratio of the preset files;
the first preset duty ratio condition is that the number duty ratio of the messy code files after backup is smaller than or equal to the preset number duty ratio of the files; the preset second duty ratio condition is that the number duty ratio of the messy code files after backup is larger than the preset number duty ratio of the files.
Specifically, the number of the backed-up messy code files is denoted as R, the preset number of files is denoted as R0, the difference between the number of the backed-up messy code files and the preset number of files is denoted as Δr, and Δr=r-R0 is set.
The calculation formula of the number ratio of the backed up messy code files is as follows:
wherein R is the number ratio of the messy code files after backup, P 1 And P is the total number of the backed up files.
Continuing to participate in fig. 1, the central control module determines two adjustment modes for the number of format conversion types according to the difference between the number of the backed-up messy code files and the number of the preset files under the preset second duty ratio condition, wherein,
the first conversion type quantity adjusting mode is that the central control module adjusts the quantity of format conversion types to a first quantity by using a preset first quantity adjusting coefficient under the condition of a preset first duty ratio difference value;
the second conversion type quantity adjusting mode is that the central control module adjusts the quantity of format conversion types to a second quantity by using a preset second quantity adjusting coefficient under the condition of a preset second duty ratio difference value;
the preset first duty ratio difference condition is that the difference value between the number duty ratio of the backed-up messy code files and the preset file number duty ratio is smaller than or equal to the preset duty ratio difference value; the preset second duty ratio difference condition is that the difference between the number duty ratio of the backed up messy code files and the preset file number duty ratio is larger than the preset duty ratio difference; the preset first number adjustment factor is smaller than the preset second number adjustment factor.
Specifically, the preset duty ratio difference is denoted as Δr0, the preset first number adjustment coefficient is denoted as β1, the preset second number adjustment coefficient is denoted as β2, the number of format conversion types is denoted as Y, wherein 1 < β1 < β2, the number of format conversion types after adjustment is denoted as Y ', Y' =y+βj is set, wherein βj is the preset jth number adjustment coefficient, and j=1, 2 is set.
According to the data backup system, the central control module judges the difference between the type of the file to be backed up and the storage type of the cloud server by setting the preset first duty ratio condition and the preset second duty ratio condition, and the occurrence frequency of the format mismatching event is reduced by increasing the number of the format conversion types of the backup system, so that the efficiency of data backup and the accuracy of the backup are further improved.
Continuing to participate in fig. 1, the central control module determines whether the disaster occurrence risk is within the allowable range according to the downtime times when the adjustment of the running memory ratio of the backup system is completed, wherein,
the first risk judging method is that the central control module judges that the disaster occurrence risk is in an allowable range under the condition of presetting a first quantity;
the second risk judging method is that the central control module judges that the disaster occurrence risk exceeds the allowable range under the condition of a preset second number, and the operating memory duty ratio of the backup system is secondarily adjusted to a second corresponding duty ratio by calculating the difference value of the downtime times and the preset times;
the first preset number of conditions is that the downtime times are smaller than or equal to preset times; the preset second number of conditions is that the downtime times are larger than preset times.
Specifically, the downtime times are marked as G, the preset times are marked as G0, the difference between the downtime times and the preset times is marked as Δg, and Δg=g-G0 is set.
Continuing to participate in fig. 1, the central control module determines two secondary adjustment modes for the operating memory ratio of the backup system according to the difference value between the downtime times and the preset times under the preset second number of conditions, wherein,
The first secondary adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a third duty ratio by using a preset fourth memory adjustment coefficient under the condition of a preset first quantity difference value;
the second secondary adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a fourth duty ratio by using a preset third memory adjustment coefficient under the condition of a preset second quantity difference value;
the first preset number difference condition is that the difference between the downtime times and the preset times is smaller than or equal to the preset number difference; the preset second quantity difference value condition is that the difference value between the downtime times and the preset times is larger than the preset quantity difference value; the preset third memory adjustment coefficient is smaller than the preset fourth memory adjustment coefficient.
Specifically, the preset number difference is denoted as Δg0, the preset third memory adjustment coefficient is denoted as α3, the preset fourth memory adjustment coefficient is denoted as α4, wherein 0 < α3 < α4 < 1, the running memory duty ratio of the backup system after the secondary adjustment is denoted as E ", E" =e' ×αk is set, wherein αk is the preset kth memory adjustment coefficient, and k=3, 4 is set.
According to the data backup system, the central control module judges whether the disaster occurrence risk is in the allowable range or not by setting the preset first quantity condition and the preset second quantity condition, and the running memory ratio of the backup system is adjusted to cause the increase of the system paralysis risk.
Continuing to participate in fig. 1, the central control module determines whether the backup efficiency of the cloud server is within the allowable range according to the growth speed of the file to be backed up under the second condition, wherein,
the first efficiency judging method is that the central control module judges that the backup efficiency of the cloud server is in an allowable range under the condition of presetting a first growth speed;
the second efficiency judging method is that the central control module judges a first allowable range of the cloud server backup efficiency under the condition of a preset second growth speed, and the backup frequency is adjusted to a corresponding frequency by calculating the difference value between the growth speed of the file to be backed up and the preset growth speed;
the preset first growth speed condition is that the growth speed of the file to be backed up is smaller than or equal to a preset growth speed; the preset second growth speed condition is that the growth speed of the file to be backed up is larger than the preset growth speed.
Specifically, the growth speed of the file to be backed up is denoted as V, the preset growth speed is denoted as V0, the difference between the growth speed of the file to be backed up and the preset growth speed is denoted as Δv, and Δv=v-V0 is set.
With continued participation in fig. 1, the central control module determines two adjustment modes for the backup frequency according to a difference between the growth speed of the file to be backed up and the preset growth speed under the preset second growth speed condition, wherein,
The first frequency adjustment mode is that the central control module adjusts the backup frequency to a first frequency by using a preset first frequency adjustment coefficient under the condition of presetting a first increase speed difference value;
the second frequency adjustment mode is that the central control module adjusts the backup frequency to a second frequency by using a preset second frequency adjustment coefficient under the condition of presetting a second increase speed difference value;
the preset first growth speed difference condition is that the difference between the growth speed of the file to be backed up and the preset growth speed is smaller than or equal to the preset growth speed difference; the preset second growth speed difference condition is that the difference between the growth speed of the file to be backed up and the preset growth speed is larger than the preset growth speed difference; the preset first frequency adjustment coefficient is smaller than the preset second frequency adjustment coefficient.
Specifically, the preset increase speed difference is denoted as Δv0, the preset first frequency adjustment coefficient is denoted as ζ1, the preset second frequency adjustment coefficient is denoted as ζ2, the backup frequency is denoted as H, the adjusted backup frequency is denoted as H ', wherein 1 < ζ1 < ζ2 sets H' =h× (1+ζg)/2, wherein ζg is the preset g-th frequency adjustment coefficient, and g=1, 2 is set.
According to the data backup system, the central control module judges the backup efficiency of the cloud server by setting the preset first growth speed condition and the preset second growth speed condition, when the growth speed of the file to be backed up is too high, the update backup frequency of the existing backup system is low and cannot adapt to the growth speed of the file to be backed up, and by setting the preset first growth speed difference value condition, the preset second growth speed difference value condition, the preset first frequency adjustment coefficient and the preset second frequency adjustment coefficient, the central control module adjusts the backup frequency, increases the backup efficiency by increasing the update frequency, and further improves the efficiency of data backup and the accuracy of backup.
With continued reference to fig. four, the data backup method based on the cloud server of the present invention includes:
step S1, a data acquisition module acquires primary backup characteristic parameters, wherein the primary backup characteristic parameters comprise the total number of backed-up files, the number of backed-up messy code files, the downtime times and the number of files to be backed-up;
step S2, the data processing module calculates secondary backup characteristic parameters according to the primary backup characteristic parameters, wherein the secondary backup characteristic parameters comprise the reduced number of files after backup, the number ratio of messy code files after backup and the growth speed of files to be backed up;
Step S3, when the central control module judges that the stability of the backup system is lower than the allowable range according to the reduced number of the files after the backup, the operating memory duty ratio of the backup system is adjusted to a first corresponding duty ratio, or the number of format conversion types is adjusted to a corresponding number according to the number duty ratio of the messy code files after the backup;
step S4, when the primary adjustment of the operating memory ratio of the backup system is completed, the central control module adjusts the operating memory ratio of the backup system to a second corresponding ratio according to the downtime times under the condition of the adjusted operating memory ratio of the backup system;
and S5, when the secondary adjustment of the operating memory ratio of the backup system is completed, the central control module adjusts the backup frequency to the corresponding frequency according to the growth speed of the files to be backed up.
Examples
In this embodiment 1, the preset duty difference is denoted as Δr0, the preset first number of adjustment coefficients is denoted as β1, the preset second number of adjustment coefficients is denoted as β2, the number of format conversion types is denoted as Y, where Δr0=0.13, β1=2, β2=3, y=7,
in this embodiment, Δr=0.15 is obtained, and the central control module determines that Δr is less than or equal to Δr0 and adjusts the number of format conversion types using β2, where the adjusted number of format conversion types Y' =7+3=10.
After the delta R is obtained, the central control module judges the delta R and adjusts the number of format conversion types by using the corresponding adjusting coefficient, and the messy code proportion of the backed-up files is reduced by increasing the number of format conversion types, so that the data backup efficiency and the backup accuracy 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 (8)
1. A cloud server-based data backup system, comprising:
the data acquisition module is used for acquiring primary backup characteristic parameters, wherein the primary backup characteristic parameters comprise the total number of the backed-up files, the number of the backed-up messy code files, the downtime times and the number of the files to be backed-up;
the data processing module is connected with the data acquisition module and is used for calculating the backup characteristic parameters to output secondary backup characteristic parameters, wherein the secondary backup characteristic parameters comprise the reduced number of files after backup, the number ratio of messy code files after backup and the growth speed of files to be backed up;
the data storage module is respectively connected with the data acquisition module and the data processing module and is used for respectively storing the backup characteristic parameters, the secondary backup characteristic parameters and the backup data;
the central control module is respectively connected with the data acquisition module, the data processing module and the data storage module and is used for adjusting the running memory duty ratio of the backup system to a first corresponding duty ratio when the stability of the backup system is lower than the allowable range according to the reduced number of the files after the backup is completed, or adjusting the number of format conversion types to a corresponding number according to the number duty ratio of the messy code files after the backup,
And adjusting the operating memory duty ratio of the backup system to a second corresponding duty ratio according to the downtime times under the condition of the adjusted operating memory duty ratio of the backup system under the first condition,
and adjusting the backup frequency to a corresponding frequency according to the growth speed of the file to be backed up under the second condition;
the first condition is that the central control module completes primary adjustment of the operating memory ratio of the backup system, and the second condition is that the central control module completes secondary adjustment of the operating memory ratio of the backup system;
the reduced number of the files after the backup is the absolute value of the difference value between the total number of the files after the backup and the total number of the history files;
the central control module determines whether the stability of the backup system is within the allowable range according to the reduced number of the files which are backed up, wherein,
the first judging method is that the central control module judges that the stability of the backup system is within an allowable range under the condition of presetting a first reduced number;
the second judging method is that the central control module judges that the stability of the backup system is lower than the allowable range under the condition of presetting a second reduction number, and the operating memory duty ratio of the backup system is adjusted to a first corresponding duty ratio by calculating the difference value between the reduction number of the files after backup and the preset first reduction number;
The third judging method is that the central control module judges that the stability of the backup system is lower than the allowable range under the condition of presetting a third reduction number, preliminarily judges that the difference between the type of the file to be backed up and the storage type of the cloud server exceeds the allowable range, and judges secondarily whether the difference between the type of the file to be backed up and the storage type of the cloud server exceeds the allowable range according to the number proportion of the messy code files after backup;
the preset first reduction number condition is that the reduction number of the files after the backup is smaller than or equal to the preset first reduction number; the preset second reduction number condition is that the reduction number of the files after the backup is larger than the preset first reduction number and smaller than or equal to the preset second reduction number; the condition of the preset third reduction number is that the reduction number of the files after the backup is completed is larger than the preset second reduction number; the preset first reduction number is smaller than the preset second reduction number;
the central control module determines whether the difference between the type of the file to be backed up and the storage type of the cloud server exceeds the allowable range according to the number ratio of the messy code files after backup under the preset third reduction number condition, wherein,
The first secondary judging method is that the central control module judges that the difference between the type of the file to be backed up and the storage type of the cloud 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 difference between the type of the file to be backed up and the storage type of the cloud server exceeds an allowable range under the condition of a preset second duty ratio, and the number of format conversion types of the format conversion program is adjusted to be corresponding by calculating the difference between the number duty ratio of the messy code files after backup and the number duty ratio of the preset files;
the first preset duty ratio condition is that the number duty ratio of the messy code files after backup is smaller than or equal to the preset number duty ratio of the files; the preset second duty ratio condition is that the number duty ratio of the messy code files after backup is larger than the number duty ratio of the preset files;
the calculation formula of the number ratio of the backed up messy code files is as follows:
wherein R is the number ratio of the messy code files after backup, P 1 And P is the total number of the backed up files.
2. The cloud server-based data backup system of claim 1, wherein the central control module determines two adjustment modes for the running memory ratio of the backup system according to a difference between the reduced number of files completed by backup and the preset first reduced number under the preset second reduced number condition, wherein,
The first adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a first duty ratio by using a preset first memory adjustment coefficient under the condition of presetting a first reduced number difference value;
the second adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a second duty ratio by using a preset second memory adjustment coefficient under the condition of presetting a second reduced number difference value;
the preset first reduction number difference condition is that the difference between the reduction number of the files after backup and the preset first reduction number is smaller than or equal to the preset reduction number difference; the preset second reduction number difference condition is that the difference between the reduction number of the files after backup and the preset first reduction number is larger than the preset reduction number difference; the preset first memory adjustment coefficient is smaller than the preset second memory adjustment coefficient.
3. The cloud server-based data backup system of claim 2 wherein the central control module determines two adjustment modes for the number of format conversion types based on a difference between the number of backed-up scrambled files and the number of preset files under a preset second duty ratio condition, wherein,
The first conversion type quantity adjusting mode is that the central control module adjusts the quantity of format conversion types to a first quantity by using a preset first quantity adjusting coefficient under the condition of a preset first duty ratio difference value;
the second conversion type quantity adjusting mode is that the central control module adjusts the quantity of format conversion types to a second quantity by using a preset second quantity adjusting coefficient under the condition of a preset second duty ratio difference value;
the preset first duty ratio difference condition is that the difference value between the number duty ratio of the backed-up messy code files and the preset file number duty ratio is smaller than or equal to the preset duty ratio difference value; the preset second duty ratio difference condition is that the difference between the number duty ratio of the backed up messy code files and the preset file number duty ratio is larger than the preset duty ratio difference; the preset first number adjustment factor is smaller than the preset second number adjustment factor.
4. The cloud server-based data backup system of claim 3 wherein the central control module determines whether the disaster occurrence risk is within an allowable range based on the downtime number when the adjustment of the running memory ratio of the backup system is completed, wherein,
the first risk judging method is that the central control module judges that the disaster occurrence risk is in an allowable range under the condition of presetting a first quantity;
The second risk judging method is that the central control module judges that the disaster occurrence risk exceeds the allowable range under the condition of a preset second number, and the operating memory duty ratio of the backup system is secondarily adjusted to a second corresponding duty ratio by calculating the difference value of the downtime times and the preset times;
the first preset number of conditions is that the downtime times are smaller than or equal to preset times; the preset second number of conditions is that the downtime times are larger than preset times.
5. The cloud server-based data backup system of claim 4 wherein the central control module determines two secondary adjustment modes for the operating memory ratio of the backup system based on a difference between the downtime times and the preset times under the preset second number of conditions, wherein,
the first secondary adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a third duty ratio by using a preset fourth memory adjustment coefficient under the condition of a preset first quantity difference value;
the second secondary adjustment mode is that the central control module adjusts the operating memory duty ratio of the backup system to a fourth duty ratio by using a preset third memory adjustment coefficient under the condition of a preset second quantity difference value;
The first preset number difference condition is that the difference between the downtime times and the preset times is smaller than or equal to the preset number difference; the preset second quantity difference value condition is that the difference value between the downtime times and the preset times is larger than the preset quantity difference value; the preset third memory adjustment coefficient is smaller than the preset fourth memory adjustment coefficient.
6. The cloud server-based data backup system of claim 5, wherein the central control module determines whether the cloud server backup efficiency is within an allowable range according to a growth rate of the file to be backed up under the second condition, wherein,
the first efficiency judging method is that the central control module judges that the backup efficiency of the cloud server is in an allowable range under the condition of presetting a first growth speed;
the second efficiency judging method is that the central control module judges a first allowable range of the cloud server backup efficiency under the condition of a preset second growth speed, and the backup frequency is adjusted to a corresponding frequency by calculating the difference value between the growth speed of the file to be backed up and the preset growth speed;
the preset first growth speed condition is that the growth speed of the file to be backed up is smaller than or equal to a preset growth speed; the preset second growth speed condition is that the growth speed of the file to be backed up is larger than the preset growth speed.
7. The cloud server-based data backup system of claim 6, wherein the central control module determines two adjustment modes for the backup frequency according to a difference between a growth rate of the file to be backed up and the preset growth rate under a preset second growth rate condition, wherein,
the first frequency adjustment mode is that the central control module adjusts the backup frequency to a first frequency by using a preset first frequency adjustment coefficient under the condition of presetting a first increase speed difference value;
the second frequency adjustment mode is that the central control module adjusts the backup frequency to a second frequency by using a preset second frequency adjustment coefficient under the condition of presetting a second increase speed difference value;
the preset first growth speed difference condition is that the difference between the growth speed of the file to be backed up and the preset growth speed is smaller than or equal to the preset growth speed difference; the preset second growth speed difference condition is that the difference between the growth speed of the file to be backed up and the preset growth speed is larger than the preset growth speed difference; the preset first frequency adjustment coefficient is smaller than the preset second frequency adjustment coefficient.
8. A data backup method using the cloud server-based data backup system of any of claims 1 to 7, comprising:
Step S1, a data acquisition module acquires primary backup characteristic parameters, wherein the primary backup characteristic parameters comprise the total number of backed-up files, the number of backed-up messy code files, the downtime times and the number of files to be backed-up;
step S2, the data processing module calculates secondary backup characteristic parameters according to the primary backup characteristic parameters, wherein the secondary backup characteristic parameters comprise the reduced number of files after backup, the number ratio of messy code files after backup and the growth speed of files to be backed up;
step S3, when the central control module judges that the stability of the backup system is lower than the allowable range according to the reduced number of the files after the backup, the operating memory duty ratio of the backup system is adjusted to a first corresponding duty ratio, or the number of format conversion types is adjusted to a corresponding number according to the number duty ratio of the messy code files after the backup;
step S4, when the primary adjustment of the operating memory ratio of the backup system is completed, the central control module adjusts the operating memory ratio of the backup system to a second corresponding ratio according to the downtime times under the condition of the adjusted operating memory ratio of the backup system;
and S5, when the secondary adjustment of the operating memory ratio of the backup system is completed, the central control module adjusts the backup frequency to the corresponding frequency according to the growth speed of the files to be backed up.
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