CN102609472A - Method and system for implementing performance test of distributed database system - Google Patents
Method and system for implementing performance test of distributed database system Download PDFInfo
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Abstract
The invention provides a method and a system for implementing a performance test of a distributed database system. The method includes: writing operation scripts used for operating the database and deploying the operation scripts as links on webpages; writing clicking scripts and executing the clicking scripts to simulate clicks of a user on the links on the webpages to execute corresponding operation scripts; sending data fetching commands about database performance to each node of the distributed database system and receiving feedback database performance data from each nodes; analyzing the received database performance data from each nodes to obtain relationships between user operations and the database performance data. The method and the system for implementing the performance test of the distributed database system are capable of obtaining the relationships between the user operations and the database performance data, and enhancing accuracy of test results.
Description
Technical field
The present invention relates to the performance test technology, relate in particular to the method and system of carrying out the distributed data base system performance test.
Background technology
Along with the continuous development of Internet technology, large-scale application scenarios is more and more, and distributed data base system is being served as more and more important role in various application, and the performance of distributed data base system also more and more comes into one's own.
When obtaining the performance of a distributed data base system, the database performance on each node that need comprise this system is added up, and the result of statistics is analyzed, to obtain the performance of this distributed data base system.Performance with the needs statistics is that memory usage describes: the memory usage that counts a certain each node database of the moment earlier; The memory usage of each node database in this moment that statistics is obtained carries out computing, obtains the memory usage of distributed data base system.
Existing method of carrying out the distributed data base system performance test specifically comprises: when needs detected the performance of distributed data base system, the performance on each node that this system of start-up by hand comprises was obtained program; Performance obtains the database performance data after obtaining program run, and the staff is manual again from each node derived data storehouse performance data; Then, the performance of each node of obtaining is carried out unified Analysis, obtain the database performance data of system.
There is following shortcoming in existing performance test methods: needing the people is that performance on each node of start-up by hand is obtained program, and manual the derivation from each node obtain the database performance data, and it spends more manpower, spends bigger; And; When the database performance data in a certain moment of system are obtained; Because simultaneously each node being carried out program start exists regular hour difference by hand; Can not prepare to obtain the database performance data of a certain each node of the moment, there is error in the database performance data in a certain moment of system that causes obtaining.
More importantly, in practical application, often need obtain the operation of user to distributed data base system, and the relation between the distributed data base system database performance data, but the present scheme that does not also have this respect.
It is thus clear that existing performance test scheme exists test result inaccurate, and can not obtain the defective that concerns between user's operation and the database performance data.
Summary of the invention
The invention provides a kind of method of carrying out the distributed data base system performance test, this method can obtain the relation between user's operation and the database performance data, and can improve precision of test result.
The present invention also provides a kind of system that carries out the distributed data base system performance test, and this system can obtain the relation between user's operation and the database performance data, and can improve precision of test result.
A kind of method of carrying out the distributed data base system performance test, this method comprises:
Write and be used for operation script that database is operated, operation script arrangement is become the link on the web page;
Write the click script, carry out and click script, the link on the analog subscriber click web page is to carry out corresponding operation script;
Each node to distributed data base system sends about the instruction of database performance Data Acquisition, receives each node feedback data storehouse performance data;
Each node database performance data to obtaining is analyzed, and obtains the relation between user's operation and the database performance data.
A kind of system that carries out the distributed data base system performance test, this system comprise page unit of deployment, artificial analogue unit, data capture unit and data analysis unit;
Said page unit of deployment is used to write the operation script that database is operated, and operation script arrangement is become the link on the web page;
Said artificial analogue unit is used to write the click script, carries out and clicks script, and the link on the analog subscriber click web page is to carry out corresponding operation script;
Said data capture unit is used for sending about the instruction of database performance Data Acquisition to each node of distributed data base system, receives each node feedback data storehouse performance data, sends said data analysis unit to;
Said data analysis unit is used for each the node database performance data that obtains is analyzed, and obtains the relation between user's operation and the database performance data.
Can find out from such scheme; Adopt the present invention program, the arrangement web page is write and is clicked after the script in advance; Carry out and click script; Just but analog subscriber is clicked the operation script of the web page, and sends about the instruction of database performance Data Acquisition obtaining each node database performance data to each node of distributed data base system, and then obtains the relation between user's operation and the database performance data through analysis.Adopt the present invention program, realized obtaining the relation between user's operation and the database performance data; And the performance that whole process need not on each node of start-up by hand is obtained program, and is manual again from each node derived data storehouse performance data, the human cost when the present invention program has saved test; There is not the time error when by hand each node being carried out program start yet, improved precision of test result.
Description of drawings
Fig. 1 carries out the method indicative flowchart of distributed data base system performance test for the present invention;
Fig. 2 carries out the system architecture synoptic diagram of distributed data base system performance test for the present invention.
Embodiment
For making the object of the invention, technical scheme and advantage clearer, below in conjunction with embodiment and accompanying drawing, to further explain of the present invention.
The invention provides and can obtain the scheme that concerns between user operation and the database performance data, and the performance that this scheme need not on each node of start-up by hand obtains program, craft is from each node derived data storehouse performance data again.Referring to Fig. 1, be the method indicative flowchart that the present invention carries out the distributed data base system performance test, it may further comprise the steps:
The said operation that database is carried out comprises renewal operation, deletion action, insertion operation or the query manipulation etc. that database is carried out.
During concrete the realization, can adopt software python compilation operation script, different operation that each has operated the script correspondence to database; Then, can adopt software Uwsgi operation script, the operation script arrangement that will move through software nginx again becomes the link on the web page.Become the link on the web page to need this script of operation earlier the script arrangement, be equivalent to activate this script; Here adopt software Uwsgi operation script, become the link on the web page in order to operate script activation back arrangement exactly.The information such as database address that comprise action type, operation in the operation script; If the link on the web page is clicked in simulation, just the web server is carried out corresponding operation script, so that corresponding database is operated accordingly.
Python is known programming language, after confirming the operation that database is carried out, is that those skilled in the art are easy to realize by python compilation operation script; Uwsgi is a webserver gateway interface instrument, also is the software that is used for Run Script that those skilled in the art use always; And software nginx is for to become the special software that links on the web page with the script arrangement, and the script arrangement that has operation becomes the function that links on the web page; Here no longer too much give unnecessary details.
During concrete the realization, can adopt software load running tool (Loadrunner) to write the click script, after script is clicked in execution, but just analog subscriber is clicked the link on the web page.Click time interval etc. of the chained address that comprises in the script on the web, number of clicks, analog subscriber number, click and click parameter; After carrying out the click script, but just analog subscriber is clicked the respective links on the web page according to clicking parameter.For example, can simulate 50 users simultaneously a certain node database is inserted operation, simulate 50 users simultaneously a certain node is carried out query manipulation, or the like.
Be provided with the largest user linking number on each node; Be made as M, node database at most only allows M user's operation at synchronization, among the present invention; In order to prevent that largest user linking number on some node is less than the analog subscriber number; Can be configured the largest user linking number on the node in advance, to meet the requirement of analog subscriber number, promptly more than or equal to the analog subscriber number.
The method that each node largest user linking number is configured comprises: when each node carries out initial configuration, the largest user linking number of each node acquiescence is configured enough greatly, with more than or equal to the analog subscriber number.The largest user linking number that comprises acquiescence in the configuration file of each node; In use; Each can be put and possibly revise the largest user linking number of acquiescence, therefore, can also directly make amendment to the largest user linking number in the configuration file of each node; During concrete the realization, can issue the configuration-direct that comprises the largest user linking number to each node of distributed data base system, each node is made amendment to the largest user linking number in the configuration file after receiving.
After the web server receives the click about certain link, carry out and link corresponding operation script, so that the node corresponding database is operated with this; The operation script arrangement that to move through software nginx in the step 101 becomes the link on the web page, the web server is called the nginx server here.During concrete the realization, after the nginx server receives the click about certain link, use software Uwsgi to carry out and link corresponding operation script, so that the node corresponding database is operated with this.
Loadrunner is that artificial simulation points is hit the special software that web goes up link; After the click parameters such as the time interval of the chained address on confirming the web page that needs to click, number of clicks, analog subscriber number, click; Adopt software Loadrunner to write the click script; Be that those skilled in the art are easy to realize, seldom give unnecessary details here.
Said database performance data comprise at least one in cpu utilization rate, memory usage, disk input and output index and the network throughput etc.
During concrete the realization, can adopt website observation (Sitescope) software to realize writing about the instruction of database performance Data Acquisition.Sitescope software is the special-purpose software that obtains data from destination object; When writing; According to the regulation of Sitescope software parameter is set and gets final product, in this instance, the parameter of setting comprises: node IP address, the frequency of obtaining performance data, the content of obtaining etc.; The said content of obtaining is the operating position of node database, i.e. the performance data of node database.Each node receives about after the instruction of database performance Data Acquisition, and runnability obtains program, and the performance data of feedback request.
Sitescope software obtains the software of desired data for special-purpose from destination object, and the distributed monitoring solution is provided, and does not give unnecessary details here.
This step can specifically comprise: obtain and write the click parameter that disposes when clicking script, click the information that parameter has comprised user's operation; In conjunction with clicking parameter, each the node database performance data that obtains is analyzed, obtain the relation between user's operation and the database performance data.
When realizing particularly, artificial click parameter and each the node database performance data that obtains are carried out binding analysis, can realize through the analyzer that Loadrunner itself carries.
Characteristics according to software Loadrunner; It carries analyzer, and this analyzer has the function that concerns between analysis user operation and the database performance data, after knowing the database performance data of user to the operation information of each node and respective nodes; With user's operation information and database performance data as analytical parameters; The input analyzer, and carry out other necessary settings, analyzer just can calculate the relation between a certain moment user operation and the database performance data; For example, the analysis result about the cpu utilization rate that obtains comprises: in a certain moment, when the user number that distributed data base system is operated was 50, the cpu utilization rate of system was 10%; When the user number that distributed data base system is operated was 90, the cpu utilization rate of system was 20%; Or the like.All right, the result that analyzer obtains is set to show with the graphic interface mode.
Concern between analysis user operation and the database performance data, be the function that analyzer itself has, exceed here and give unnecessary details.
Adopt the present invention program; The arrangement web page in advance; Write and click after the script, carry out and click script, but just analog subscriber is clicked the operation script of the web page; And send about the instruction of database performance Data Acquisition obtaining each node database performance data, and then obtain the relation between user's operation and the database performance data through analysis to each node of distributed data base system.The performance that whole process need not on each node of start-up by hand is obtained program, and is manual again from each node derived data storehouse performance data, the human cost when the present invention program has saved test; There is not the time error when by hand each node being carried out program start yet, improved precision of test result.
Referring to Fig. 2, the system architecture synoptic diagram for the present invention carries out the distributed data base system performance test is called Performance Test System with this system among the figure, and this system comprises page unit of deployment, artificial analogue unit, data capture unit and data analysis unit;
Page unit of deployment is used to write the operation script that database is operated, and operation script arrangement is become the link on the web page;
Artificial analogue unit is used to write the click script, carries out and clicks script, and the link on the analog subscriber click web page is to carry out corresponding operation script;
Data capture unit is used for sending about the instruction of database performance Data Acquisition to each node of distributed data base system, receives each node feedback data storehouse performance data, sends said data analysis unit to;
Data analysis unit is used for each the node database performance data that obtains is analyzed, and obtains the relation between user's operation and the database performance data.
Concrete, the operation script that database is operated that page unit of deployment is write comprises the operation script of renewal operation, deletion action, insertion operation or query manipulation that database is carried out.Data capture unit receives each node feedback data storehouse performance data and comprises at least one in cpu utilization rate, memory usage, disk input and output index and the network throughput.Page unit of deployment, artificial analogue unit, data capture unit place respectively on the different equipment with data analysis unit, perhaps, place on the same equipment.
The present invention adopts a Performance Test System to accomplish the test to the distributed data base system performance, and the time error that produces when artificially starting each node procedure when having avoided test has improved precision of test result.
The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being made, is equal to replacement, improvement etc., all should be included within the scope that the present invention protects.
Claims (10)
1. a method of carrying out the distributed data base system performance test is characterized in that, this method comprises:
Write and be used for operation script that database is operated, operation script arrangement is become the link on the web page;
Write the click script, carry out and click script, the link on the analog subscriber click web page is to carry out corresponding operation script;
Each node to distributed data base system sends about the instruction of database performance Data Acquisition, receives each node feedback data storehouse performance data;
Each node database performance data to obtaining is analyzed, and obtains the relation between user's operation and the database performance data.
2. the method for claim 1 is characterized in that, said each the node database performance data that obtains is analyzed comprises:
Obtain and write the click parameter that disposes when clicking script;
In conjunction with clicking parameter, each the node database performance data that obtains is analyzed, obtain the relation between user's operation and the database performance data.
3. method as claimed in claim 2 is characterized in that, said click parameter comprises chained address, number of clicks, the analog subscriber number of click and clicks the time interval.
4. method as claimed in claim 3 is characterized in that, said writing before the operation script that is used for database is operated, and this method also comprises:
Largest user linking number to each node is configured, and makes the largest user linking number more than or equal to said analog subscriber number.
5. like claim 2,3 or 4 described methods, it is characterized in that,
Said each the node database performance data that obtains is analyzed, realized through the analyzer that load running instrument Loadrunner itself carries.
6. like each described method in the claim 1 to 4, it is characterized in that said database performance data comprise at least one in cpu utilization rate, memory usage, disk input and output index and the network throughput.
7. a system that carries out the distributed data base system performance test is characterized in that, this system comprises page unit of deployment, artificial analogue unit, data capture unit and data analysis unit;
Said page unit of deployment is used to write the operation script that database is operated, and operation script arrangement is become the link on the web page;
Said artificial analogue unit is used to write the click script, carries out and clicks script, and the link on the analog subscriber click web page is to carry out corresponding operation script;
Said data capture unit is used for sending about the instruction of database performance Data Acquisition to each node of distributed data base system, receives each node feedback data storehouse performance data, sends said data analysis unit to;
Said data analysis unit is used for each the node database performance data that obtains is analyzed, and obtains the relation between user's operation and the database performance data.
8. the system of claim 1 is characterized in that, said page unit of deployment, artificial analogue unit, data capture unit place respectively on the different equipment with data analysis unit, perhaps, place on the same equipment.
9. the system of claim 1 is characterized in that, the said operation that database is carried out comprises renewal operation, deletion action, insertion operation or the query manipulation that database is carried out.
10. like each described system in the claim 7 to 9, it is characterized in that said database performance data comprise at least one in cpu utilization rate, memory usage, disk input and output index and the network throughput.
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