CN105515898A - Test method and system aiming at network storage system performance - Google Patents
Test method and system aiming at network storage system performance Download PDFInfo
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- CN105515898A CN105515898A CN201510881803.7A CN201510881803A CN105515898A CN 105515898 A CN105515898 A CN 105515898A CN 201510881803 A CN201510881803 A CN 201510881803A CN 105515898 A CN105515898 A CN 105515898A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
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Abstract
The invention discloses a test method and system aiming at network storage system performance. The method comprises that: an initiator server continuously initiates a first data reading request to a target end server atan interval of preset time, receives the feedback parameters returned by the target end server after corresponding target files are opened according to the data reading request and places the feedback parameters to a monitoring queue; the initiator server successively scans the feedback parameters in the monitoring queue, judges whether the opening time interval of the target files corresponding to the feedback parameters exceeds a first preset time value, if not, the initiator server judges whether the target files corresponding to the feedback parameters are readable according to the feedback parameters; if the target files are readable, the data of the target files are read. In the embodiment, the request is sent to the target end at the preset time interval, the quantity of the requests initiated by the initiator server can easily exceed the maximum load of the target end server, thereby approaching a real access condition better, and the precise network storage test is carried out.
Description
Technical field
The present invention relates to computer software fields, more particularly, relate to a kind of method of testing for Performance of Network Storage Systems and system.
Background technology
Use traditional testing tool to test network store system, testing tool can initiate different requests to server.These request types are to a certain extent close to the access situation of reality, but owing to not designing for network store system, when using these instruments to test, its test result is not accurate enough.As IOMeter, it is mainly tested traditional magnetic disk, is also widely used testing tool in the present network storage, but it does not consider that in network store system, network is on the impact of I/O.In actual access environment, visit capacity may exceed the maximum load that server can bear, and IOMeter is not under the circumstances.When request amount is close to server maximum load, due to the impact of network, originating end server suppresses by server, and very difficult generation exceedes the request amount of server maximum load, and this test result departs from actual access situation.
Therefore, how testing the network storage more accurately, is the problem needing now to solve.
Summary of the invention
The object of the present invention is to provide a kind of method of testing for Performance of Network Storage Systems and system, to test the network storage more accurately.
For achieving the above object, following technical scheme is embodiments provided:
For a method of testing for Performance of Network Storage Systems, comprising:
Originating end server is that interval spans initiates the first data read request to destination end server with the scheduled time, accept the feedback parameter returned after described destination end server based on data read requests opens respective objects file, and described feedback parameter is put to monitoring queue;
Described originating end server scans the feedback parameter in described monitoring queue successively, judge and the opening time interval of the corresponding file destination of feedback parameter whether more than the first predetermined time value;
If do not exceed described first predetermined time value, then judge that whether the file destination corresponding with described feedback parameter be readable according to described feedback parameter; If readable, then read the data of described file destination.
Preferably, and if the opening time interval of the corresponding file destination of feedback parameter exceed described first predetermined time value, then described originating end server sends the second data read request to described destination end server again; Wherein, described second data read request is the data read request that acquisition opening time interval exceedes the file destination of predetermined time value.
Preferably, described originating end server also comprises before scanning the feedback parameter in described monitoring queue successively:
Judge the feedback parameter whether having described destination end server to send in described monitoring queue;
If the feedback parameter having described destination end server to send in described monitoring queue, then perform the step that described originating end server scans the feedback parameter in described monitoring queue successively.
Preferably, after the data of the described file destination of described reading, comprising:
Close described file destination, and the feedback parameter corresponding with described file destination is removed from described monitoring queue.
Preferably, if judge that the file destination corresponding with described feedback parameter is not readable according to described feedback parameter, then judge that whether the connect hours of described feedback parameter is more than the second predetermined time value;
If so, then close described file destination, and the feedback parameter corresponding with described file destination is removed from described monitoring queue.
For a test macro for Performance of Network Storage Systems, comprising:
Originating end server and destination end server;
Wherein, described originating end server comprises:
Data demand module, for being that interval spans initiates the first data read request to destination end server with the scheduled time;
Receiver module, for accepting the feedback parameter returned after described destination end server based on data read requests opens respective objects file, and puts to monitoring queue by described feedback parameter;
First judge module, for scanning the feedback parameter in described monitoring queue successively, judge and the opening time interval of the corresponding file destination of feedback parameter whether more than the first predetermined time value; If do not exceed described first predetermined time value, then trigger the second judge module;
According to described feedback parameter, described second judge module, for judging that whether the file destination corresponding with described feedback parameter be readable; If readable, then trigger the data that read module reads described file destination.
Preferably, if the opening time interval of the file destination that described first judge module judges and feedback parameter is corresponding exceedes described first predetermined time value, then described data demand module is triggered;
Described data demand module is also for again sending the second data read request to described destination end server; Wherein, described second data read request is the data read request that acquisition opening time interval exceedes the file destination of predetermined time value.
Preferably, described originating end server also comprises:
3rd judge module, for judging the feedback parameter that whether has described destination end server to send in described monitoring queue; If the feedback parameter having described destination end server to send in described monitoring queue, then trigger described first judge module.
Preferably, described originating end server also comprises, and comprising:
Executive Module, for closing described file destination, and removes the feedback parameter corresponding with described file destination from described monitoring queue.
Preferably, if described second judge module judges that the file destination corresponding with described feedback parameter is not readable, then the 4th judge module is triggered;
Described 4th judge module is for judging that whether the connect hours of described feedback parameter is more than the second predetermined time value; If so, described Executive Module is then triggered.
Known by above scheme, a kind of method of testing for Performance of Network Storage Systems that the embodiment of the present invention provides and system, comprise: originating end server is that interval spans initiates the first data read request to destination end server with the scheduled time, accept the feedback parameter returned after described destination end server based on data read requests opens respective objects file, and described feedback parameter is put to monitoring queue; Described originating end server scans the feedback parameter in described monitoring queue successively, judge and the opening time interval of the corresponding file destination of feedback parameter whether more than the first predetermined time value; If do not exceed described first predetermined time value, then judge that whether the file destination corresponding with described feedback parameter be readable according to described feedback parameter; If readable, then read the data of described file destination.
Visible, the method of testing that the present embodiment provides, request can be initiated to destination end with predetermined time interval, thus make originating end server initiate the paces of request no longer by the suppression of destination end server end, it is only responsible for initiating request, thus reduces the time interval of the request of initiation, and the request amount that originating end server is initiated is relatively easy to exceed destination end server maximum load, thus closer to the access situation of reality, achieve the accurate test to the network storage.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of method of testing schematic flow sheet for Performance of Network Storage Systems disclosed in the embodiment of the present invention;
Fig. 2 is the disclosed another kind of method of testing schematic flow sheet for Performance of Network Storage Systems of the embodiment of the present invention;
Fig. 3 is a kind of test system structure schematic diagram for Performance of Network Storage Systems disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of method of testing for Performance of Network Storage Systems and system, to test the network storage more accurately.
See Fig. 1, a kind of method of testing for Performance of Network Storage Systems that the embodiment of the present invention provides, comprising:
S101, originating end server are that interval spans initiates the first data read request to destination end server with the scheduled time;
Concrete, in the present embodiment, originating end server with the scheduled time be interval namely with the initiation request of fixed frequency to destination end server iterates, and no matter whether service end can receive new request again.Thus the paces of initiation request are no longer suppressed by server end, namely originating end server is only responsible for initiating request, thus reduce the time interval of the request of initiation, the speed that request can be made to initiate improves constantly, until exceed the maximum of server to bear load, continue the speed improving the request of initiation, system under test (SUT) can be made to enter livelock conditions.
Wherein, the method generating load at traditional test instrument mainly uses multiple concurrent thread to initiate read-write requests to server, and the task that each thread completes is followed successively by: initiation is asked, connect, read data, close connection.Institute is all that order performs in steps, can initiate another one request at once after these steps complete.The queue length that destination end receives request depends on that originating end initiates the speed of request and the two-way time of request, if the speed of the request of i.e. originating end initiation exceedes storage system to the processing speed receiving queue request, the request of queue-stuck can get more and more, until queue again can not store the new any request received, destination end can lose all requests of up-to-date reception, and does not return any confirmation to originating end.The re-transmission time of originating end request can constantly increase, and initiation process can be absorbed in next circulation, and the stand-by period is more and more longer, can with more and more lower speed HARQ information.Based on this point, traditional test means requests production method can only make load close to server maximum load, but is difficult to exceed it.
Namely in traditional test, excess load produces difficult key is the suppression allowing originating end break away from TCP retransmission mechanism, and in the present embodiment, constantly request is initiated to destination end server with certain hour interval by originating end server, and no matter whether can receive the confirmation of TCP three-way handshake, the time interval measures with the jumping figure of CPU, and the precision of time can be made very high.When enough hour of time interval request amount is easy to reach the maximum load that server bears.
S102, originating end server accept the feedback parameter returned after described destination end server based on data read requests opens respective objects file, and described feedback parameter are put to monitoring queue;
Wherein, described originating end server also comprises before scanning the feedback parameter in described monitoring queue successively:
Judge the feedback parameter whether having described destination end server to send in described monitoring queue;
If the feedback parameter having described destination end server to send in described monitoring queue, then perform the step that described originating end server scans the feedback parameter in described monitoring queue successively.
Concrete, in the present embodiment, before queue is monitored in the scanning of originating end server, first can judge whether the request that originating end server sends arrives destination end server, and namely whether originating end server and destination end server connect.Because after originating end server and destination end server connect, destination end server can send feedback parameter to originating end server, therefore, the feedback parameter whether having destination end server to send in this is by Anti-Sniffer queue judges whether to perform S102.Wherein, by the select method of system, interception request can be carried out and whether completes.
S103, described originating end server scan the feedback parameter in described monitoring queue successively, judge and the opening time interval of the corresponding file destination of feedback parameter whether more than the first predetermined time value;
Wherein, and if the opening time interval of the corresponding file destination of feedback parameter exceed described first predetermined time value, then described originating end server sends the second data read request to described destination end server again; Wherein, described second data read request is the data read request that acquisition opening time interval exceedes the file destination of predetermined time value.
Concrete, in the present embodiment, when the request that originating end server sends is a lot, destination end server likely can not process request timely, therefore when originating end server transmit a request to time that destination end opens file destination be greater than the first predetermined time value time, then can again send request to destination end server by originating end server.
If S104 does not exceed described first predetermined time value, then judge that whether the file destination corresponding with described feedback parameter be readable according to described feedback parameter; If readable, then read the data of described file destination.
Wherein, after the data of the described file destination of described reading, comprising:
Close described file destination, and the feedback parameter corresponding with described file destination is removed from described monitoring queue.
Concrete, in this enforcement, in order to repeat to read the file destination corresponding to feedback parameter, after each reading file destination, then can remove the feedback parameter corresponding with the file destination reading data in monitoring queue.Wherein, can confirm that whether the file destination corresponding to feedback parameter is readable by FD_ISSET method in the present embodiment, if readable, read from file, if not readable, judge that whether this request is overtime, find that time-out then closes this connection.
Wherein, if judge that the file destination corresponding with described feedback parameter is not readable according to described feedback parameter, then judge that whether the connect hours of described feedback parameter is more than the second predetermined time value;
If so, then close described file destination, and the feedback parameter corresponding with described file destination is removed from described monitoring queue.
Concrete, because feedback parameter can return different value when connecting, thus when connect hours of feedback parameter more than the second predetermined time value after, then close described file destination, if the connect hours of feedback parameter more than the second predetermined time value, does not then initiate connection request again.
Conveniently understand, the present embodiment provides the method for testing of a complete Performance of Network Storage Systems, refers to Fig. 2, comprising:
S201, call open () function and specify and will open file destination, and backspace file descriptor;
Concrete, filec descriptor is here the feedback parameter in the present embodiment.
S202, call FD_SET described filec descriptor is added to monitoring queue;
S203, call select () monitor whether have available equipment;
Wherein, be the major cycle of the present embodiment from S203-S210, the cycle-index of major cycle here can be set, and perform step S203-S210 according to cycle-index circulation.
If not, then S204, prompting mistake also EP (end of program) is performed; If so, then perform S205, judge that whether the opening time of file destination is more than the first predetermined time value;
Wherein, S205-S209 is the Inner eycle of the present embodiment;
If the opening time of file destination more than the first predetermined time value, then re-executes S201; If the opening time of file destination is not more than the first predetermined time value, then performs S206, judge that according to filec descriptor whether file destination is readable;
If file destination is not readable, then perform S207; If file destination is readable, then perform S208;
S207, judge that whether the time of filec descriptor connection request is more than the second predetermined time value; If so, then S209 is performed; If not, then S201 is re-executed;
The data of S208, reading file destination;
S209, closedown file destination, and the filec descriptor corresponding with file destination is removed from monitoring queue;
S210, judge whether Inner eycle terminates; If so, then perform S211, if not, then continue to perform S205;
S211, judge whether major cycle terminates; If so, then termination routine; If not, then continue to perform S203.
Wherein, judge standard that whether major cycle terminates is whether the cycle-index of major cycle reaches predetermined cycle-index, if reach, major cycle terminates, if do not reach, then continues to perform major cycle.
A kind of method of testing for Performance of Network Storage Systems that the embodiment of the present invention provides, comprise: originating end server is that interval spans initiates the first data read request to destination end server with the scheduled time, accept the feedback parameter returned after described destination end server based on data read requests opens respective objects file, and described feedback parameter is put to monitoring queue; Described originating end server scans the feedback parameter in described monitoring queue successively, judge and the opening time interval of the corresponding file destination of feedback parameter whether more than the first predetermined time value; If do not exceed described first predetermined time value, then judge that whether the file destination corresponding with described feedback parameter be readable according to described feedback parameter; If readable, then read the data of described file destination.
Visible, the method of testing that the present embodiment provides, request can be initiated to destination end with predetermined time interval, thus make originating end server initiate the paces of request no longer by the suppression of destination end server end, it is only responsible for initiating request, thus reduces the time interval of the request of initiation, and the request amount that originating end server is initiated is relatively easy to exceed destination end server maximum load, thus closer to the access situation of reality, achieve the accurate test to the network storage.
Be introduced a kind of test macro for Performance of Network Storage Systems that the embodiment of the present invention provides below, a kind of test macro for Performance of Network Storage Systems described below and above-described a kind of method of testing for Performance of Network Storage Systems can be cross-referenced.
See a kind of test macro for Performance of Network Storage Systems that Fig. 3 embodiment of the present invention provides, comprising:
Originating end server 100 and destination end server 200;
Wherein, described originating end server 100 comprises:
Data demand module 110, for being that interval spans initiates the first data read request to destination end server with the scheduled time;
Receiver module 120, for accepting the feedback parameter returned after described destination end server based on data read requests opens respective objects file, and puts to monitoring queue by described feedback parameter;
First judge module 130, for scanning the feedback parameter in described monitoring queue successively, judge and the opening time interval of the corresponding file destination of feedback parameter whether more than the first predetermined time value; If do not exceed described first predetermined time value, then trigger the second judge module;
According to described feedback parameter, described second judge module 140, for judging that whether the file destination corresponding with described feedback parameter be readable; If readable, then trigger the data that read module reads described file destination.
Preferably, if the opening time interval of the file destination that described first judge module judges and feedback parameter is corresponding exceedes described first predetermined time value, then described data demand module is triggered;
Described data demand module is also for again sending the second data read request to described destination end server; Wherein, described second data read request is the data read request that acquisition opening time interval exceedes the file destination of predetermined time value.
Preferably, described originating end server, also comprises:
3rd judge module, for judging the feedback parameter that whether has described destination end server to send in described monitoring queue; If the feedback parameter having described destination end server to send in described monitoring queue, then trigger described first judge module.
Preferably, described originating end server also comprises, and comprising:
Executive Module, for closing described file destination, and removes the feedback parameter corresponding with described file destination from described monitoring queue.
Preferably, if described second judge module judges that the file destination corresponding with described feedback parameter is not readable, then the 4th judge module is triggered;
Described 4th judge module is for judging that whether the connect hours of described feedback parameter is more than the second predetermined time value; If so, described Executive Module is then triggered.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. for a method of testing for Performance of Network Storage Systems, it is characterized in that, comprising:
Originating end server is that interval spans initiates the first data read request to destination end server with the scheduled time, accept the feedback parameter returned after described destination end server based on data read requests opens respective objects file, and described feedback parameter is put to monitoring queue;
Described originating end server scans the feedback parameter in described monitoring queue successively, judge and the opening time interval of the corresponding file destination of feedback parameter whether more than the first predetermined time value;
If do not exceed described first predetermined time value, then judge that whether the file destination corresponding with described feedback parameter be readable according to described feedback parameter; If readable, then read the data of described file destination.
2. method of testing according to claim 1, it is characterized in that, if and the opening time interval of the corresponding file destination of feedback parameter exceedes described first predetermined time value, then described originating end server sends the second data read request to described destination end server again; Wherein, described second data read request is the data read request that acquisition opening time interval exceedes the file destination of predetermined time value.
3. method of testing according to claim 2, is characterized in that, described originating end server also comprises before scanning the feedback parameter in described monitoring queue successively:
Judge the feedback parameter whether having described destination end server to send in described monitoring queue;
If the feedback parameter having described destination end server to send in described monitoring queue, then perform the step that described originating end server scans the feedback parameter in described monitoring queue successively.
4. according to the method for testing in claim 1-3 described in any one, it is characterized in that, after the data of the described file destination of described reading, comprising:
Close described file destination, and the feedback parameter corresponding with described file destination is removed from described monitoring queue.
5. method of testing according to claim 4, is characterized in that, if judge that the file destination corresponding with described feedback parameter is not readable according to described feedback parameter, then judges that whether the connect hours of described feedback parameter is more than the second predetermined time value;
If so, then close described file destination, and the feedback parameter corresponding with described file destination is removed from described monitoring queue.
6. for a test macro for Performance of Network Storage Systems, it is characterized in that, comprising:
Originating end server and destination end server;
Wherein, described originating end server comprises:
Data demand module, for being that interval spans initiates the first data read request to destination end server with the scheduled time;
Receiver module, for accepting the feedback parameter returned after described destination end server based on data read requests opens respective objects file, and puts to monitoring queue by described feedback parameter;
First judge module, for scanning the feedback parameter in described monitoring queue successively, judge and the opening time interval of the corresponding file destination of feedback parameter whether more than the first predetermined time value; If do not exceed described first predetermined time value, then trigger the second judge module;
According to described feedback parameter, described second judge module, for judging that whether the file destination corresponding with described feedback parameter be readable; If readable, then trigger the data that read module reads described file destination.
7. test macro according to claim 6, is characterized in that, if the opening time interval of the file destination that described first judge module judges and feedback parameter is corresponding exceedes described first predetermined time value, then triggers described data demand module;
Described data demand module is also for again sending the second data read request to described destination end server; Wherein, described second data read request is the data read request that acquisition opening time interval exceedes the file destination of predetermined time value.
8. test macro according to claim 7, is characterized in that, described originating end server, also comprises:
3rd judge module, for judging the feedback parameter that whether has described destination end server to send in described monitoring queue; If the feedback parameter having described destination end server to send in described monitoring queue, then trigger described first judge module.
9. according to the test macro in claim 5-8 described in any one, it is characterized in that, described originating end server also comprises, and comprising:
Executive Module, for closing described file destination, and removes the feedback parameter corresponding with described file destination from described monitoring queue.
10. test macro according to claim 9, is characterized in that, if described second judge module judges that the file destination corresponding with described feedback parameter is not readable, then triggers the 4th judge module;
Described 4th judge module is for judging that whether the connect hours of described feedback parameter is more than the second predetermined time value; If so, described Executive Module is then triggered.
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