CN109542704A - A kind of I/O request method for tracing, device and relevant device - Google Patents
A kind of I/O request method for tracing, device and relevant device Download PDFInfo
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- 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
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
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Abstract
This application discloses a kind of I/O request method for tracing, including when receiving I/O request, position the location information of the I/O request in real time；Judge whether the I/O request reaches predeterminated position according to the positional information；If so, getting ready the I/O request, information is got in acquisition ready；By it is described get ready information be sent to display equipment show；The I/O request method for tracing realizes the tracking to I/O request in system, while guaranteeing I/O request failure problems precise positioning, improves location efficiency；Disclosed herein as well is a kind of I/O request follow-up mechanism, equipment, distributed memory system and computer readable storage mediums, it may have above-mentioned beneficial effect.
Description
Technical field
This application involves the information communications field, in particular to a kind of I/O request method for tracing further relates to a kind of I/O request and chases after
Track device, equipment, distributed memory system and computer readable storage medium.
Background technique
In distributed memory system, a request of data of external computer system accesses storage system is known as one
I/O request (input output, input/output request).
It is sent to the I/O request of storage system for user rs host, needs by a series of processing operation, it just can be by this
I/O request is applied on disk, and further, acquisition corresponding data again passes by series of steps and is back to client master from disk
Machine.In the operating path of the above I/O request, various exceptions may can occur in some module, so that I/O request is at certain
Occurs the case where blocking or going around in a processing module, if there is no I/O request tracer technique in daily exploitation, it will be difficult to which positioning is deposited
The problems in storage system exploitation, such as can not determine the stuck position of I/O request, failure cause.
In prior art, it will usually which the mode of usage log finds and determines in the development process of distributed cluster system
Position problem, that is, a log is printed at certain line code, the problem in system is carried out finally by trace log
Comprehensive analysis.However, entirety when log belongs to system operation records, storage information redundancy is complicated, and filtration difficulty is therein
Content is recorded in addition to the information such as I/O request processing delay, also will record other indicative information, individual process modules it is important
The information such as movement, some important I/O request paths.Therefore, the positioning that I/O request failure problems are realized by log approach, then need
The information such as I/O request time delay is fished in a large amount of log informations, is blocked, cause it to analyze treatment effeciency low and be easy to malfunction.
Therefore, how to realize the tracking to I/O request, to further realize the precise positioning to its failure problems, and improve
Location efficiency is those skilled in the art's urgent problem to be solved.
Summary of the invention
The purpose of the application is to provide a kind of I/O request method for tracing, which realizes to IO in system
The tracking of request improves location efficiency while guaranteeing I/O request failure problems precise positioning；The another object of the application
It is to provide a kind of I/O request follow-up mechanism, equipment, distributed memory system and computer readable storage medium, it may have above-mentioned
Beneficial effect.
In order to solve the above technical problems, this application provides a kind of I/O request method for tracing, the I/O request method for tracing
Include:
When receiving I/O request, the location information of the I/O request is positioned in real time；
Judge whether the I/O request reaches predeterminated position according to the positional information；
If so, getting ready the I/O request, information is got in acquisition ready；
By it is described get ready information be sent to display equipment show.
Preferably, described to get ready the I/O request, acquisition is got ready after information, further includes:
Determine that the I/O request reaches the time of the predeterminated position according to the information of getting ready；
Judge whether the time exceeds preset time；
If so, execution is described to be sent to the step of display equipment is shown for the information of getting ready.
Preferably, it is described get ready information be it is multiple, then it is described that the I/O request is got ready, acquisition get ready information it
Afterwards, further includes:
Each information of getting ready is counted, I/O request overall delay is obtained；
Judge whether the overall delay exceeds default time delay；
If so, execution is described to be sent to the step of display equipment is shown for the information of getting ready.
Preferably, the I/O request method for tracing further include:
By the information preservation of getting ready to journal file.
Preferably, described to include: by information preservation to the journal file of getting ready
Recorded in the form of chained list it is all it is described get information ready, and the chained list is saved to the journal file.
In order to solve the above technical problems, this application provides a kind of I/O request follow-up mechanism, the I/O request follow-up mechanism
Include:
Locating module, for positioning the location information of the I/O request in real time when receiving I/O request；
Judgment module, for judging whether the I/O request reaches predeterminated position according to the positional information；
It gets module ready, if reaching the predeterminated position for the I/O request, the I/O request is got ready, obtain
Get information ready；
Output module, for by it is described get ready information be sent to display equipment show.
Preferably, the I/O request follow-up mechanism further include:
Preserving module, for by the information preservation of getting ready to journal file.
In order to solve the above technical problems, this application provides a kind of I/O request tracing equipment, the I/O request tracing equipment
Include:
Memory, for storing computer program；
Processor, the step of any one of the above I/O request method for tracing is realized when for executing the computer program.
In order to solve the above technical problems, this application provides a kind of distributed memory system, the distributed memory system
Include:
User rs host, for sending I/O request；
I/O request tracing equipment as described above, for receiving the I/O request, and it is above-mentioned according to I/O request realization
The step of any one I/O request method for tracing.
In order to solve the above technical problems, this application provides a kind of computer readable storage medium, it is described computer-readable
Computer program is stored on storage medium, the computer program realizes any one of the above I/O request when being executed by processor
The step of method for tracing.
A kind of I/O request method for tracing provided herein, including when receiving I/O request, the IO is positioned in real time
The location information of request；Judge whether the I/O request reaches predeterminated position according to the positional information；If so, to the IO
Request is got ready, and information is got in acquisition ready；By it is described get ready information be sent to display equipment show.
As it can be seen that I/O request method for tracing provided herein, it can be according to actual needs in advance on the transmission road of I/O request
Position is got in setting ready in diameter, real-time location tracking is carried out to it when receiving I/O request, when I/O request is run to preset
It is got ready when getting position ready, acquisition is got information ready and exported accordingly.It can be understood intuitively by getting information ready as a result,
Understanding I/O request which module run how long, when I/O request occur when be delayed, can hold very much according to information is got ready
Easily accurately determine that the position of time delay occurs for I/O request, to orient I/O request abort situation, without in journal file into
Row is searched, and is effectively raised the analysis efficiency of I/O request delay data, is further improved the diagnosis efficiency of system problem；This
Outside, this kind of IO method for tracing is dynamically adapted time delay record point, that is, gets position ready, effectively improves algorithm and realizes efficiency, improves
The exploitation performance and O&M efficiency of distributed system, improves the ease for use of distributed memory system.
It a kind of I/O request follow-up mechanism provided herein, equipment, distributed memory system and computer-readable deposits
Storage media, it may have above-mentioned beneficial effect, details are not described herein.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of application for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow diagram of I/O request method for tracing provided herein；
Fig. 2 is a kind of flow diagram for getting information saving method ready provided herein；
Fig. 3 is the flow diagram of another I/O request method for tracing provided herein；
Fig. 4 is the flow diagram of another I/O request method for tracing provided herein；
Fig. 5 is that a kind of I/O request provided herein tracks path profile；
Fig. 6 is a kind of structural schematic diagram of I/O request follow-up mechanism provided herein；
Fig. 7 is a kind of structural schematic diagram of I/O request tracing equipment provided herein；
Fig. 8 is a kind of structural schematic diagram of distributed memory system provided herein.
Specific embodiment
The core of the application is to provide a kind of I/O request method for tracing, which realizes to IO in system
The tracking of request improves location efficiency while guaranteeing I/O request failure problems precise positioning；Another core of the application
It is to provide a kind of I/O request follow-up mechanism, equipment, distributed memory system and computer readable storage medium, it may have above-mentioned
Beneficial effect.
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
All other embodiment obtained without making creative work, shall fall in the protection scope of this application.
In prior art, the positioning of I/O request failure problems is realized by log approach, needs to believe in a large amount of log
The information such as I/O request time delay is fished in breath, is blocked, cause it to analyze treatment effeciency low and be easy to malfunction.Therefore, on to solve
Problem is stated, this application provides a kind of I/O request method for tracing, and the method achieve the trackings to I/O request in system, are guaranteeing
While I/O request failure problems precise positioning, location efficiency is improved.
Referring to FIG. 1, Fig. 1 is a kind of flow diagram of I/O request method for tracing provided herein, the I/O request
Method for tracing may include:
S101: when receiving I/O request, the location information of I/O request is positioned in real time；
Specifically, some memory node in system receives I/O request, it, can be right when realizing corresponding data processing
The location information of the I/O request is positioned in real time, i.e., storage system once receives I/O request, then immediately to its location information
It is positioned.
Wherein, for above-mentioned I/O request, client (user rs host) can be based on by client and is issued based on actual demand,
It can also be automated toed respond under certain trigger conditions, such as clocked flip, the application do not limit this.
Wherein, for above-mentioned location information, to the entire of return client since storage system receives the I/O request
In each data processing module passed through in transmission process is included in.
S102: judge whether I/O request reaches predeterminated position according to location information；If so, executing S103；If it is not, then returning
Return S101；
Specifically, it is default can to judge whether I/O request reaches according to acquired location information on the basis of S101
Position then returns to S101 and continues to position it in real time when I/O request does not reach predeterminated position, until reaching predeterminated position
Until, when reaching predeterminated position, step can be got ready into subsequent.
Wherein, above-mentioned predeterminated position is the preset position for needing to get ready, and quantity is not unique, can be more
It is a, to correspond to each data processing module inside the storage system passed through needed for it.It, can be by technology for its specific location
Personnel carry out customized setting according to actual demand, for example, in the transmission process of an I/O request, need by receiving,
Enqueue, dequeue initially enter disk, enter that disk finishes, data processing, data processing finish, initially go out disk, to go out disk complete
Therefore these positions can be set to above-mentioned predeterminated position by the processes such as finishing and return, subsequent get operation ready to realize.
Certainly, the above predeterminated position is only a kind of implementation provided herein, not uniquely.
S103: getting I/O request ready, and information is got in acquisition ready；
Specifically, this step is intended to carry out it in the predeterminated position when determining that I/O request reaches predeterminated position
It gets ready, acquisition is corresponding to get information ready.Wherein, it is when corresponding I/O request reaches above-mentioned each predeterminated position that this, which gets information ready,
Temporal information.Certainly, it is checked for the later period convenient for technical staff and analysis processing, specific included content is not limited to
This, can also include the relevant information of the I/O request, such as concrete type.
In addition, the I/O request relatively simple for data processing, required transmission time may be shorter, therefore, it is
The accuracy for guaranteeing dotting time, can be accurate to Millisecond for dotting time.
S104: will get ready information be sent to display equipment show.
Specifically, this step aims at the display to information is got ready, in order to which checking for technical staff is analyzed with data,
Therefore, it will directly get information ready and be sent to corresponding display equipment, such as the display screen of user rs host is shown.When
So, concrete type selected by above-mentioned display equipment, has no effect on the implementation of the technical program.
In addition, being particularly shown content for display equipment, this application provides a kind of more specific display modes, i.e.,
Corresponding display is carried out in the form of I/O request-request type-predeterminated position-dotting time, easily facilitates technical staff's progress
Later period checks and analyzes.
As a kind of preferred embodiment, which can also include that will get information preservation ready to log text
Part.
Each information of getting ready of I/O request is saved specifically, this step aims at, can specifically pass through log text
The form of part is saved, and is easily facilitated later period technical staff and is compared and analyzed.
Preferably, above-mentioned information preservation to the journal file that will get ready may include recording all to get letter ready in the form of chained list
Breath, and chained list is saved to journal file.
Specifically, this application provides a kind of store methods for more specifically getting information ready, i.e., in the form of chained list into
Row record saves, which is saved to journal file.For example, can refer to Fig. 2, Fig. 2 is that one kind provided herein is got ready
The flow diagram of information saving method, specifically, gauge outfit is set as I/O request, get ready information include preset position information and
Its corresponding dotting time information, wherein dotting time information is the time got ready acquired in system, preset position information
As the character string that is passed in advance of user or function name, the I/O request get information ready with it and can keep being associated in memory.
I/O request method for tracing provided herein can be set in the transmission path of I/O request in advance according to actual needs
It sets and gets position ready, real-time location tracking is carried out to it when receiving I/O request, get position ready when I/O request is run to preset
It is got ready when setting, acquisition is got information ready and exported accordingly.It can clearly be got information about by getting information ready as a result,
I/O request which module run how long, when I/O request occur when be delayed, can be easy to accurately according to information is got ready
Determination I/O request the position of time delay occurs, to orient I/O request abort situation, without being searched in journal file,
The analysis efficiency for effectively raising I/O request delay data further improves the diagnosis efficiency of system problem；In addition, this kind
IO method for tracing is dynamically adapted time delay record point, that is, gets position ready, effectively improves algorithm and realizes efficiency, improves distribution
The exploitation performance and O&M efficiency of system, improve the ease for use of distributed memory system.
On the basis of the above embodiments, referring to FIG. 3, Fig. 3 is another I/O request tracking side provided herein
The flow diagram of method.
It is above-mentioned that I/O request is got ready as a kind of preferred embodiment, after information is got in acquisition ready, can also include:
S204: determine that I/O request reaches the time of predeterminated position according to information is got ready；
S205: judge whether the time exceeds preset time；If so, executing S206；If it is not, then returning to S201；
S206: will get ready information be sent to display equipment show；
S201: the location information of positioning I/O request in real time.
Specifically, every I/O request is in each data processing module of internal system in the normal course of operation of system
Required transmission time has its corresponding normal time, i.e., in trouble-proof situation, within normal time,
Its corresponding I/O request can handle in some data processing module to be finished, if within normal time, certain
I/O request is not disposed in a certain data processing module, namely and got ready within normal time, then illustrate this
I/O request such as is gone around or is blocked in the data processing module at the failure problems, and therefore, this step aims at will be at certain
The I/O request to break down in a data processing module carries out output and shows, the I/O request of normal operation is ignored, by
This, technical staff can find out at a glance where some failure I/O request there is a problem based on display content, further increase
Fault location efficiency.
Specifically, corresponding preset time can be arranged to each predeterminated position, correspond to above-mentioned normal time, when IO is asked
Ask and reach after the completion of a certain predeterminated position gets ready, can be got ready according to it information determine the I/O request reach the predeterminated position when
Between, i.e. the I/O request is from the time required for a upper predeterminated position to current preset position；Further, judge whether the time surpasses
The corresponding preset time of the predeterminated position out, if illustrating this I/O request in the data processing module without departing from preset time
It does not break down, continues to position it in real time at this time, judgement is continued to subsequent predeterminated position；If super
Preset time is gone out, has then illustrated that failure has occurred in the I/O request in the data processing module, has carried out output at this time and show.
It wherein, can be poor according to the different progress of predeterminated position by technical staff for the specific value of above-mentioned preset time
Opposite sex setting, the application do not do unique restriction to this.
For other realization steps of the embodiment of the present application, referring to a upper embodiment, details are not described herein by the application.
I/O request method for tracing provided by the embodiment of the present application exports the I/O request to break down, and can show
Failure I/O request is shown specifically to break down in which data processing module, the realization of fault location is easily facilitated, further mentions
The high breakdown maintenance efficiency of fault location efficiency and later period.
On the basis of the various embodiments described above, referring to FIG. 4, Fig. 4 is that another I/O request provided herein is tracked
The flow diagram of method.
As a kind of preferred embodiment, it is above-mentioned get ready information be it is multiple, then it is above-mentioned that I/O request is got ready, got ready
After information, can also include:
S304: counting each information of getting ready, obtains I/O request overall delay；
S305: judge whether overall delay exceeds default time delay；If so, executing S306；If it is not, then returning to S301；
S306: will get ready information be sent to display equipment show；
S301: the location information of positioning I/O request in real time.
Specifically, every I/O request has from the time required for return is received in the normal course of operation of system
Its corresponding normal time delay, i.e., in trouble-proof situation, in normal time delay range, corresponding I/O request is can be with
It is disposed, if certain I/O request is not disposed, namely does not return in normal time delay range, then explanation should
I/O request such as is gone around or is blocked at the failure problems, and therefore, this step, which aims at, carries out the I/O request to break down
Output display, ignores the I/O request of normal operation, effectively prevents technical staff's picking event from numerous I/O requests
The time that barrier I/O request is wasted, further improve fault location efficiency.
Specifically, include the temporal information that I/O request reaches each predeterminated position due to getting information ready, it can basis
It is each get ready information carry out time statistics, with obtain the I/O request it is required in the entire transmission process of internal system when
Between, i.e., above-mentioned overall delay, for example, system can determine the overall delay according to the receiving time and time of return of the I/O request；Into one
Step, judges whether the overall delay exceeds default time delay, corresponds to above-mentioned default time delay.If illustrating this beyond default time delay
Failure has occurred in I/O request, executes S306 at this time and is shown；If illustrating this I/O request simultaneously without departing from default time delay
It does not break down, restarts to position in real time at this point, receiving next I/O request.
It wherein, can be by technical staff according to I/O request type, the difference of content for the specific value of above-mentioned default time delay
Otherness setting is carried out, the application does not do unique restriction to this.
For other realization steps of the embodiment of the present application, referring to a upper embodiment, details are not described herein by the application.
I/O request method for tracing provided by the embodiment of the present application only can carry out positioning to the I/O request to break down and chase after
Track further improves the location efficiency of failure I/O request, easily facilitates checking and analyzing for technical staff, to improve and be
System breakdown maintenance efficiency, ensure that the normal operation of system.
On the basis of above-mentioned each embodiment, this application provides a kind of more specifically I/O request method for tracing, ask
With reference to Fig. 5, Fig. 5 is that a kind of I/O request provided herein tracks path profile.
Firstly, user rs host issues I/O request to storage system, storage system starts to get ready after receiving I/O request,
It is preset to get position ready, i.e., above-mentioned predeterminated position can include: receive I/O request and get ready, got ready into queue, at dequeue
Reason is got ready, is sent to that rear end disk is got ready, data processing is finished and got ready, returns to I/O request and gets ready；Further, this is counted
The overall delay of I/O request, to judge whether the overall delay exceeds preset threshold, i.e., above-mentioned default time delay, to determine this I/O request
Whether it is abnormal, if carry out output display and log preservation etc.；Finally, the I/O request is back to by storage system
User rs host completes the tracking for this I/O request transmission path.
I/O request method for tracing provided by the embodiment of the present application, can be according to actual needs in advance on the transmission road of I/O request
Position is got in setting ready in diameter, real-time location tracking is carried out to it when receiving I/O request, when I/O request is run to preset
It is got ready when getting position ready, acquisition is got information ready and exported accordingly.It can be understood intuitively by getting information ready as a result,
Understanding I/O request which module run how long, when I/O request occur when be delayed, can hold very much according to information is got ready
Easily accurately determine that the position of time delay occurs for I/O request, to orient I/O request abort situation, without in journal file into
Row is searched, and is effectively raised the analysis efficiency of I/O request delay data, is further improved the diagnosis efficiency of system problem；This
Outside, this kind of IO method for tracing is dynamically adapted time delay record point, that is, gets position ready, effectively improves algorithm and realizes efficiency, improves
The exploitation performance and O&M efficiency of distributed system, improves the ease for use of distributed memory system.
To solve the above problems, referring to FIG. 6, Fig. 6 is a kind of structure of I/O request follow-up mechanism provided herein
Schematic diagram, the I/O request follow-up mechanism can include:
Locating module 1, for positioning the location information of I/O request in real time when receiving I/O request；
Judgment module 2, for judging whether I/O request reaches predeterminated position according to location information；
It gets module 3 ready, if reaching predeterminated position for I/O request, I/O request is got ready, information is got in acquisition ready；
Output module 4, for will get ready information be sent to display equipment show.
As a kind of preferred embodiment, which may also include that
Time judgment module gets information ready for basis and determines that I/O request reaches the time of predeterminated position；Judging the time is
It is no to exceed preset time；If so, into above-mentioned output module 4.
As a kind of preferred embodiment, which may also include that
Time delay judgment module obtains I/O request overall delay for counting to each information of getting ready；Judging overall delay is
It is no to exceed default time delay；If so, into above-mentioned output module 4.
As a kind of preferred embodiment, which may also include that
Preserving module, for information preservation will to be got ready to journal file.
As a kind of preferred embodiment, above-mentioned preserving module be specifically used for recorded in the form of chained list it is all get information ready,
And chained list is saved to journal file.
Above method embodiment is please referred to for the introduction of device provided by the present application, this will not be repeated here by the application.
To solve the above problems, referring to FIG. 7, Fig. 7 is a kind of structure of I/O request tracing equipment provided herein
Schematic diagram, the I/O request tracing equipment can include:
Memory 11, for storing computer program；
Processor 12 can realize following steps when for executing computer program:
When receiving I/O request, the location information of I/O request is positioned in real time；Whether I/O request is judged according to location information
Reach predeterminated position；If so, getting ready I/O request, information is got in acquisition ready；To get ready information be sent to display equipment into
Row display.
Above method embodiment is please referred to for the introduction of equipment provided by the present application, this will not be repeated here by the application.
To solve the above problems, referring to FIG. 8, Fig. 8 is a kind of structure of distributed memory system provided herein
Schematic diagram, the distributed memory system can include:
User rs host 20, for sending I/O request；
I/O request tracing equipment 10 as described above, can realize following steps for receiving I/O request, and according to I/O request:
When receiving I/O request, the location information of I/O request is positioned in real time；Whether I/O request is judged according to location information
Reach predeterminated position；If so, getting ready I/O request, information is got in acquisition ready；To get ready information be sent to display equipment into
Row display.
Above method embodiment is please referred to for the introduction of system provided by the present application, this will not be repeated here by the application.
To solve the above problems, present invention also provides a kind of computer readable storage medium, the computer-readable storage
It is stored with computer program on medium, can be realized when computer program is executed by processor following rapid:
When receiving I/O request, the location information of I/O request is positioned in real time；Whether I/O request is judged according to location information
Reach predeterminated position；If so, getting ready I/O request, information is got in acquisition ready；To get ready information be sent to display equipment into
Row display.
The computer readable storage medium may include: USB flash disk, mobile hard disk, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
Above method embodiment is please referred to for the introduction of computer readable storage medium provided by the present application, the application exists
This is not repeated them here.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.
Professional further appreciates that, unit described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond scope of the present application.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
Above to I/O request method for tracing, device, equipment, distributed memory system and computer provided herein
Readable storage medium storing program for executing is described in detail.Specific case used herein carries out the principle and embodiment of the application
It illustrates, the description of the example is only used to help understand the method for the present application and its core ideas.It should be pointed out that for this
For the those of ordinary skill of technical field, under the premise of not departing from the application principle, the application can also be carried out several
Improvement and modification, these improvement and modification also fall into the protection scope element of the claim of this application.
Claims (10)
1. a kind of I/O request method for tracing characterized by comprising
When receiving I/O request, the location information of the I/O request is positioned in real time；
Judge whether the I/O request reaches predeterminated position according to the positional information；
If so, getting ready the I/O request, information is got in acquisition ready；
By it is described get ready information be sent to display equipment show.
2. I/O request method for tracing as described in claim 1, which is characterized in that it is described that the I/O request is got ready, it obtains
After must getting information ready, further includes:
Determine that the I/O request reaches the time of the predeterminated position according to the information of getting ready；
Judge whether the time exceeds preset time；
If so, execution is described to be sent to the step of display equipment is shown for the information of getting ready.
3. I/O request method for tracing as described in claim 1, which is characterized in that it is described get ready information be it is multiple, then it is described right
The I/O request is got ready, and acquisition is got ready after information, further includes:
Each information of getting ready is counted, I/O request overall delay is obtained；
Judge whether the overall delay exceeds default time delay；
If so, execution is described to be sent to the step of display equipment is shown for the information of getting ready.
4. I/O request method for tracing as described in claim 1, which is characterized in that further include:
By the information preservation of getting ready to journal file.
5. I/O request method for tracing as claimed in claim 4, which is characterized in that it is described by the information preservation of getting ready to log
File includes:
Recorded in the form of chained list it is all it is described get information ready, and the chained list is saved to the journal file.
6. a kind of I/O request follow-up mechanism characterized by comprising
Locating module, for positioning the location information of the I/O request in real time when receiving I/O request；
Judgment module, for judging whether the I/O request reaches predeterminated position according to the positional information；
It gets module ready, if reaching the predeterminated position for the I/O request, the I/O request is got ready, is got ready
Information；
Output module, for by it is described get ready information be sent to display equipment show.
7. I/O request follow-up mechanism as claimed in claim 6, which is characterized in that further include:
Preserving module, for by the information preservation of getting ready to journal file.
8. a kind of I/O request tracing equipment characterized by comprising
Memory, for storing computer program；
Processor realizes the I/O request tracking as described in claim 1 to 5 any one when for executing the computer program
The step of method.
9. a kind of distributed memory system characterized by comprising
User rs host, for sending I/O request；
I/O request tracing equipment as claimed in claim 8 is realized such as receiving the I/O request, and according to the I/O request
Described in claim 1 to 5 any one the step of I/O request method for tracing.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program realizes the I/O request tracking side as described in claim 1 to 5 any one when the computer program is executed by processor
The step of method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407426.3A CN109542704A (en) | 2018-11-23 | 2018-11-23 | A kind of I/O request method for tracing, device and relevant device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811407426.3A CN109542704A (en) | 2018-11-23 | 2018-11-23 | A kind of I/O request method for tracing, device and relevant device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109542704A true CN109542704A (en) | 2019-03-29 |
Family
ID=65849427
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811407426.3A Withdrawn CN109542704A (en) | 2018-11-23 | 2018-11-23 | A kind of I/O request method for tracing, device and relevant device |
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| Country | Link |
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| CN (1) | CN109542704A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116860858A (en) * | 2023-09-01 | 2023-10-10 | 北京四维纵横数据技术有限公司 | IO tracking method, device, equipment and medium for database operation level |
| WO2024169539A1 (en) * | 2023-02-16 | 2024-08-22 | 中兴通讯股份有限公司 | Statistical method and apparatus for io delay, and storage medium and electronic apparatus |
-
2018
- 2018-11-23 CN CN201811407426.3A patent/CN109542704A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024169539A1 (en) * | 2023-02-16 | 2024-08-22 | 中兴通讯股份有限公司 | Statistical method and apparatus for io delay, and storage medium and electronic apparatus |
| CN116860858A (en) * | 2023-09-01 | 2023-10-10 | 北京四维纵横数据技术有限公司 | IO tracking method, device, equipment and medium for database operation level |
| CN116860858B (en) * | 2023-09-01 | 2023-11-17 | 北京四维纵横数据技术有限公司 | IO tracking method, device, equipment and medium for database operation level |
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Application publication date: 20190329 |