CN104468174A - Method and device for cluster servers to execute task - Google Patents
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- CN104468174A CN104468174A CN201310453196.5A CN201310453196A CN104468174A CN 104468174 A CN104468174 A CN 104468174A CN 201310453196 A CN201310453196 A CN 201310453196A CN 104468174 A CN104468174 A CN 104468174A
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Abstract
The invention discloses a method and device for cluster servers to execute a task, and belongs to the field of Internet communication. The method comprises the steps that information of the task, in an unexecuted task state, to be executed is acquired from a task state table; an identification of a node server for executing the task to be executed is acquired; when a timestamp for executing the task to be executed arrives, the identification of the node server for executing the task to be executed is sent to the node server so that the node server can acquire the task to be executed according to an identification of the task to be executed and then executes the task to be executed; when the node server fails executing the task to be executed, a task response is sent to a management node server so that the management node server can modify the task state of the task to be executed into the unexecuted task state, and then other node servers except the node server in a cluster can execute the task to be executed. The device comprises a first acquisition module, a second acquisition module, a first sending module and a second sending module. By means of the method, the task execution reliability of the cluster servers can be guaranteed.
Description
Technical field
The present invention relates to field of Internet communication, particularly a kind of cluster server method and apparatus of executing the task.
Background technology
Timer is set in cluster server, a corresponding timer of server; When arriving the timestamp performing pending task, the server that Timer Controlling is corresponding with it performs pending task.
Prior art provides a kind of method that cluster server is executed the task, can be: the multiple timers in cluster are simultaneously by the ID(Identity of the number of units of server in cluster and pending task, identify label number) carry out modulo operation, obtain the numbering of the node server performing this pending task; When arriving the timestamp performing pending task, the timer corresponding with the numbering of this node server sends the mark of pending task to this node server, this node server receives the mark of this pending task, obtains and perform this pending task according to the mark of this pending task.
Realizing in process of the present invention, inventor finds that prior art at least exists following problem:
When this node server delays machine, this pending tasks carrying failure, thus the method that cluster server of the prior art is executed the task is unreliable.
Summary of the invention
In order to make the problem of solution prior art, the invention provides the method and apparatus that a kind of cluster server is executed the task.Described technical scheme is as follows:
On the one hand, the invention provides a kind of method that cluster server is executed the task, described method comprises:
From task status table, obtain task status is unenforced pending mission bit stream, and described pending mission bit stream comprises the mark of pending task and performs the timestamp of described pending task;
Obtain the mark of the node server performing described pending task;
When arriving the timestamp performing described pending task, send the mark of described pending task to described node server according to the mark of described node server, make described node server obtain according to the mark of described pending task and perform described pending task;
When described node server performs described pending mission failure, transmission task responds to management node server, described task response carrier state information is not for complete, described state information is for pointing out the task status of pending task described in described management node server, the task status of described pending task to be revised as according to the response of described task by described management node server do not perform, to make the described pending task of the execution of other node servers in cluster except described node server except.
Preferably, describedly obtain after task status is unenforced pending mission bit stream from task status table, described method also comprises:
Send task requests to management node server, described task requests carries the mark of described pending task, and described management node server is revised as in execution according to the task status of described task requests by described pending task.
Preferably, the described task status that obtains from task status table is unenforced pending mission bit stream, comprising:
Obtaining task status is unenforced mission bit stream;
Calculate the difference of timestamp that execution needs that described mission bit stream comprises execute the task and current time stamp;
Minimum value is selected from described difference;
Using mission bit stream corresponding for described minimum value as described pending mission bit stream.
Preferably, described from task status table, obtain pending mission bit stream before, described method also comprises:
Receive the needs mark of executing the task of user's input and perform the timestamp that described needs execute the task;
The mark that described needs are executed the task and are performed the timestamp that described needs execute the task and be kept in described task status table.
Preferably, the described mark obtaining the node server performing described pending task, comprising:
Stochastic choice node server from cluster server, using the node server of described selection as the node server performing described pending task;
Or, according to the load of the node server in cluster server, select the node server of least-loaded, using the node server of described least-loaded as the node server performing described pending task.
On the other hand, the invention provides the device that a kind of cluster server is executed the task, described device comprises:
First acquisition module is unenforced pending mission bit stream for obtaining task status from task status table, and described pending mission bit stream comprises the mark of pending task and performs the timestamp of described pending task;
Second acquisition module, for obtaining the mark of the node server performing described pending task;
First sending module, for when arriving the timestamp performing described pending task, send the mark of described pending task to described node server according to the mark of described node server, make described node server obtain according to the mark of described pending task and perform described pending task;
Second sending module, for when described node server performs described pending mission failure, transmission task responds to management node server, described task response carrier state information is not for complete, described state information is for pointing out the task status of pending task described in described management node server, the task status of described pending task to be revised as according to the response of described task by described management node server do not perform, to make the described pending task of the execution of other node servers in cluster except described node server except.
Preferably, described device also comprises:
3rd sending module, for sending task requests to management node server, described task requests carries the mark of described pending task, and described management node server is revised as in execution according to the task status of described task requests by described pending task.
Preferably, described first acquisition module, comprising:
Acquiring unit is unenforced mission bit stream for obtaining task status;
Computing unit, the difference of the timestamp that the execution needs comprised for calculating described mission bit stream are executed the task and current time stamp;
First selected cell, for selecting minimum value from described difference, using mission bit stream corresponding for described minimum value as described pending mission bit stream.
Preferably, described device also comprises:
Receiver module, for receiving the needs mark of executing the task of user's input and performing the timestamp that described needs execute the task;
Preserve module, for the mark of being executed the task by described needs with perform the timestamp that described needs execute the task and be kept in described task status table.
Preferably, described second acquisition module, comprising:
Second selected cell, for the node server of Stochastic choice from cluster server, using the node server of described selection as the node server performing described pending task;
Or the 3rd selected cell, for the load according to the node server in cluster server, selects the node server of least-loaded, using the node server of described least-loaded as the node server performing described pending task.
In the embodiment of the present invention, when node server performs pending mission failure, timer sends task and responds to management node server, this task response carrier state information is not for complete, the task status of pending task to be revised as according to the response of this task and not to perform by management node server, makes other node servers in cluster except this node server perform this pending task.Therefore, the machine even if this node server is delayed, also can make this pending task be performed, thus ensure that the reliability that cluster server is executed the task.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, 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 the method flow diagram that cluster server that the embodiment of the present invention 1 provides is executed the task;
Fig. 2 is the method flow diagram that cluster server that the embodiment of the present invention 2 provides is executed the task;
Fig. 3 is the apparatus structure schematic diagram that cluster server that the embodiment of the present invention 3 provides is executed the task.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
Embodiments provide a kind of method that cluster server is executed the task.See Fig. 1, wherein, the method comprises:
101: it is unenforced pending mission bit stream that timer obtains task status from task status table, this pending mission bit stream comprises the mark of pending task and performs the timestamp of pending task;
102: timer obtains the mark of the node server performing pending task;
103: when arriving the timestamp performing pending task, timer sends the mark of pending task to node server according to the mark of node server, makes node server obtain according to the mark of pending task and perform pending task;
104: when node server performs pending mission failure, timer sends task and responds to management node server, this task response carrier state information is not for complete, this state information is for pointing out the task status of the pending task of management node server, the task status of pending task to be revised as according to the response of this task by management node server do not perform, to perform this pending task to make other node servers in cluster except this node server.
In the embodiment of the present invention, when node server performs pending mission failure, timer sends task and responds to management node server, this task response carrier state information is not for complete, the task status of pending task to be revised as according to the response of this task and not to perform by management node server, makes other node servers in cluster except this node server perform this pending task.Therefore, the machine even if this node server is delayed, also can make this pending task be performed, thus ensure that the reliability that cluster server is executed the task.
Embodiment 2
Embodiments provide a kind of method that cluster server is executed the task.See Fig. 2, wherein, the method comprises:
201: the mark that the needs that timer receives user's input are executed the task and execution need the timestamp of executing the task;
Wherein, timer is the arbitrary timer in cluster server, in cluster server, disposes at least one timer.
Wherein, it should be noted that, need the task of executing the task as user's input; The timestamp of executing the task is needed to be perform to need the corresponding moment of executing the task.
Wherein, when user needs to allow cluster server need to execute the task in the execution of certain timestamp, user inputs to be needed the mark of executing the task and performs to need the timestamp of executing the task to timer, the mark that the needs that timer receives user's input are executed the task and perform the timestamp needing to execute the task.
Such as, user needs when 2013-9-18-12:00 sends SMS message to good friend's first, the mark that user inputs the task that sends SMS message in timer and the timestamp 2013-9-18-12:00 sent SMS message, the mark that timer receives the task that sends SMS message of user's input and the timestamp 2013-9-18-12:00 sent SMS message.
202: the mark needing to execute the task and execution need the timestamp of executing the task to be kept in task status table by timer;
Particularly, timer binding needs the mark of executing the task and performs the timestamp needing to execute the task, by the mark needing to execute the task, perform need to execute the task timestamp, task status three corresponding relation be kept in task status table.
Wherein, task status comprise do not perform, perform in and executed.
Wherein, do not perform and refer to that these needs are executed the task and do not performed by node server; Refer in execution that these needs are executed the task to be performed by node server; Executed refers to that these needs are executed the task complete by node server.
Such as, the mark needing to execute the task and execution need the timestamp of executing the task to be kept in task status table by timer, as shown in table 1:
Table 1
| Need to execute the task mark | Perform the timestamp needing to execute the task | Task status |
| Send SMS message | 2013-9-18-12:00 | Do not perform |
| …… | …… | …… |
Wherein, need to execute the task as job_name, this job_name user can carry out arranging and changing according to hobby, is not specifically limited in embodiments of the present invention to job_name.
203: it is unenforced pending mission bit stream that timer obtains task status from task status table, this pending mission bit stream comprises the mark of pending task and performs the timestamp of this pending task;
Wherein, it should be noted that, pending task is the task of being about to be performed; The timestamp of pending task is perform moment corresponding to pending task.
Wherein, timer obtains the operation that task status is unenforced pending mission bit stream from task status table, Ke Yiwei:
It is unenforced mission bit stream that timer obtains task status from task status table, is Stochastic choice mission bit stream unenforced mission bit stream, using the mission bit stream of Stochastic choice as pending mission bit stream from the task status obtained.
Wherein, timer obtains the operation that task status is unenforced pending mission bit stream from task status table, can also be:
From task status table, obtain task status is unenforced mission bit stream; Obtain according to unenforced mission bit stream the timestamp that this execution needs to execute the task, obtain current time stamp; The difference of the timestamp that the execution needs that calculation task information comprises are executed the task and current time stamp; Minimum value is selected from difference; Using mission bit stream corresponding for minimum value as pending mission bit stream.
Wherein, in embodiments of the present invention, the minimum mission bit stream of difference of the timestamp that the execution needs comprised by mission bit stream are executed the task and current time stamp as pending mission bit stream, thus can ensure the promptness of tasks carrying, improves the reliability that cluster server is executed the task.
204: timer sends task requests to management node server, and this task requests carries the mark of pending task;
Wherein, management node server is any node server in cluster server, and management node server not only can be executed the task to cluster server and be managed, and this management node server can also perform pending task.
Wherein, after timer obtains pending mission bit stream, send task requests to management node server, to notify that management node server revises the task status of pending task, as step 205.
Such as, timer obtains pending mission bit stream and comprises pending task identification from table 1: send SMS message and perform the timestamp of pending task: after 2013-9-18-12:00, send task requests to management node server, this task requests carries the mark of pending task: send SMS message, to notify that management node server revises the task status of pending task.
205: management node server receives the task requests that timer sends, and according to this task requests, the task status of pending task is set in execution;
Particularly, management node server receives the task requests that timer sends, and obtain the mark of pending task according to this task requests, the task status of pending task is revised as in execution by not performing by the mark according to pending task.
Wherein, the task status of pending task is revised as in execution by management node server, repeats this pending task to prevent the node server in cluster.
Such as, management node server receives the task requests that timer sends, the mark of pending task is obtained: send SMS message according to this task requests, mark according to pending task: send SMS message and be revised as in execution by the task status of pending task by not performing, amended task status table is as shown in table 2:
Table 2
| Need to execute the task mark | Perform the timestamp needing to execute the task | Task status |
| Send SMS message | 2013-9-18-12:00 | In execution |
| …… | …… | …… |
206: timer obtains the mark of the node server performing pending task;
Wherein, when timer obtains pending task, timer obtains the node server performing pending task.
Wherein, timer obtains the operation of the mark of the node server performing pending task, Ke Yiwei:
Timer is Stochastic choice node server from cluster server, using the node server of selection as the node server performing pending task.
Wherein, timer obtains the operation of the mark of the node server performing pending task, can also be:
Timer, according to the load of the node server in cluster server, selects the node server of least-loaded, using the node server of least-loaded as the node server performing pending task.
207: when arriving the timestamp performing pending task, timer sends the mark of pending task to node server according to the mark of node server;
Particularly, timer obtains the timestamp performing pending task according to pending mission bit stream, timestamp according to performing pending task starts timing, when arriving the timestamp performing pending task, timer sends the mark of pending task to node server according to the mark of node server.
208: node server receives the mark of the pending task that timer sends, and obtains and perform pending task according to the mark of pending task;
Particularly, node server receives the mark of the pending task that timer sends, and obtains pending task according to the mark of pending task, according to the pending task of pending tasks carrying obtained.
Such as, when arriving the timestamp performing pending task, timer sends the mark of pending task according to the mark of node server 1: send SMS message to node server 1; Node server 1 receives the mark of the pending task that timer sends: send SMS message, obtain pending task according to the mark of pending task: send SMS message to good friend's first, and send SMS message to good friend's first.
209: when node server performs pending mission failure, timer sends task and responds to management node server, and this task response carrier state information is not for complete, and this state information is for pointing out the task status of the pending task of management node server;
Wherein, after node server is executed the task and terminated, timer sends task and responds to management node server, this task response carrier state information, this state information is for pointing out the task status of the pending task of management node, and this state information can for not complete or to complete.
Wherein, when node server performs pending mission failure, timer sends task and responds to management node server, and the state information that node server performs pending task is carried in the response of this task, and this state information is not for complete; When node server performs pending Mission Success, timer sends task and responds to management node server, and the state information that node server performs pending task is carried in the response of this task, and this state information is for complete.
210: management node server receives the task response that timer sends, and according to the response of this task the task status of pending task is revised as and do not perform, perform this pending task to make other node servers in cluster except this node server.
Wherein, when node server performs pending mission failure, timer sends task and responds to management node server, and the state information that node server performs pending task is carried in the response of this task, and this state information is not for complete; Management node server receives the task response that timer sends, and obtain according to the response of this task the state information that node server performs pending task: do not complete, according to this state information: do not complete and the task status of pending task is not performed by being revised as in performing, to make other node servers in cluster except this node server obtain this pending task, and perform this pending task.
Further, when node server performs pending Mission Success, timer sends task and responds to management node server, and the state information that node server performs pending task is carried in the response of this task, and this state information is for complete; Management node server receives the task response that timer sends, and obtain according to the response of this task the state information that node server performs pending task: complete, according to this state information: completed and the task status of pending task is revised as executed in performing.
Such as, node server 1 performs pending task: when sending SMS message to the failure of good friend's first, transmission task responds to management node server, and the response of this task is carried node server 1 and performed the state information of pending task for not complete; The task response that management node server receiving node server 1 sends, and according to the response of this task, the task status of pending task is not performed by being revised as in performing, amended task status table is as shown in table 1.Node server 1 performs pending task: when sending SMS message to the success of good friend's first, transmission task responds to management node server, and the response of this task is carried node server 1 and performed the state information of pending task for complete; The task response that management node server receiving node server 1 sends, and according to the response of this task, the task status of pending task is revised as executed in performing, amended task status table is as shown in table 3:
Table 3
| Need to execute the task mark | Perform the timestamp needing to execute the task | Task status |
| Send SMS message | 2013-9-18-12:00 | Executed |
| …… | …… | …… |
In the embodiment of the present invention, when node server performs pending mission failure, timer sends task and responds to management node server, this task response carrier state information is not for complete, the task status of pending task to be revised as according to the response of this task and not to perform by management node server, makes other node servers in cluster except this node server perform this pending task.Therefore, the machine even if this node server is delayed, also can make this pending task be performed, thus ensure that the reliability that cluster server is executed the task.
Embodiment 3
Embodiments provide the device that a kind of cluster server is executed the task.See Fig. 3, wherein, this device comprises:
First acquisition module 301, be unenforced pending mission bit stream for obtaining task status from task status table, this pending mission bit stream comprises the mark of pending task and performs the timestamp of pending task;
Second acquisition module 302, for obtaining the mark of the node server performing pending task;
First sending module 303, for when arriving the timestamp performing pending task, sending the mark of pending task to node server according to the mark of node server, making node server obtain according to the mark of pending task and perform pending task;
Second sending module 304, for when node server performs pending mission failure, transmission task responds to management node server, this task response carrier state information is not for complete, this state information is for pointing out the task status of the pending task of management node server, the task status of pending task to be revised as according to the response of this task by management node server do not perform, to perform this pending task to make other node servers in cluster except this node server.
Preferably, this device also comprises:
3rd sending module 305, for sending task requests to management node server, this task requests carries the mark of pending task, and management node server is revised as in execution according to the task status of task requests by pending task.
Preferably, this first acquisition module 301, comprising:
Acquiring unit 3011 is unenforced mission bit stream for obtaining task status;
Computing unit 3012, the difference of the timestamp that the execution needs comprised for calculation task information are executed the task and current time stamp;
First selected cell 3013, for selecting minimum value from difference, using mission bit stream corresponding for minimum value as pending mission bit stream.
Preferably, this device also comprises:
Receiver module 306, the mark that the needs for receiving user's input are executed the task and execution need the timestamp of executing the task;
Preserve module 307, for needing the timestamp of executing the task to be kept in task status table the mark needing to execute the task and execution.
Preferably, this second acquisition module 302, comprising:
Second selected cell 3021, for the node server of Stochastic choice from cluster server, using the node server of selection as the node server performing pending task;
Or the 3rd selected cell 3022, for the load according to the node server in cluster server, selects the node server of least-loaded, using the node server of least-loaded as the node server performing pending task.
In the embodiment of the present invention, when node server performs pending mission failure, timer sends task and responds to management node server, this task response carrier state information is not for complete, the task status of pending task to be revised as according to the response of this task and not to perform by management node server, makes other node servers in cluster except this node server perform this pending task.Therefore, the machine even if this node server is delayed, also can make this pending task be performed, thus ensure that the reliability that cluster server is executed the task.
It should be noted that: the device that the cluster server that above-described embodiment provides is executed the task is when cluster server is executed the task, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by device is divided into different functional modules, to complete all or part of function described above.In addition, the device that the cluster server that above-described embodiment provides is executed the task and the embodiment of the method that cluster server is executed the task belong to same design, and its specific implementation process refers to embodiment of the method, repeats no more here.
One of ordinary skill in the art will appreciate that all or part of step realizing above-described embodiment can have been come by hardware, the hardware that also can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a cluster server method of executing the task, it is characterized in that, described method comprises:
From task status table, obtain task status is unenforced pending mission bit stream, and described pending mission bit stream comprises the mark of pending task and performs the timestamp of described pending task;
Obtain the mark of the node server performing described pending task;
When arriving the timestamp performing described pending task, send the mark of described pending task to described node server according to the mark of described node server, make described node server obtain according to the mark of described pending task and perform described pending task;
When described node server performs described pending mission failure, transmission task responds to management node server, described task response carrier state information is not for complete, described state information is for pointing out the task status of pending task described in described management node server, the task status of described pending task to be revised as according to the response of described task by described management node server do not perform, to make the described pending task of the execution of other node servers in cluster except described node server except.
2. the method for claim 1, is characterized in that, describedly obtains after task status is unenforced pending mission bit stream from task status table, and described method also comprises:
Send task requests to management node server, described task requests carries the mark of described pending task, and described management node server is revised as in execution according to the task status of described task requests by described pending task.
3. the method for claim 1, is characterized in that, the described task status that obtains from task status table is unenforced pending mission bit stream, comprising:
Obtaining task status is unenforced mission bit stream;
Calculate the difference of timestamp that execution needs that described mission bit stream comprises execute the task and current time stamp;
Minimum value is selected from described difference;
Using mission bit stream corresponding for described minimum value as described pending mission bit stream.
4. the method for claim 1, is characterized in that, described from task status table, obtain pending mission bit stream before, described method also comprises:
Receive the needs mark of executing the task of user's input and perform the timestamp that described needs execute the task;
The mark that described needs are executed the task and are performed the timestamp that described needs execute the task and be kept in described task status table.
5. the method for claim 1, is characterized in that, the described mark obtaining the node server performing described pending task, comprising:
Stochastic choice node server from cluster server, using the node server of described selection as the node server performing described pending task;
Or, according to the load of the node server in cluster server, select the node server of least-loaded, using the node server of described least-loaded as the node server performing described pending task.
6. a cluster server device of executing the task, it is characterized in that, described device comprises:
First acquisition module is unenforced pending mission bit stream for obtaining task status from task status table, and described pending mission bit stream comprises the mark of pending task and performs the timestamp of described pending task;
Second acquisition module, for obtaining the mark of the node server performing described pending task;
First sending module, for when arriving the timestamp performing described pending task, send the mark of described pending task to described node server according to the mark of described node server, make described node server obtain according to the mark of described pending task and perform described pending task;
Second sending module, for when described node server performs described pending mission failure, transmission task responds to management node server, described task response carrier state information is not for complete, described state information is for pointing out the task status of pending task described in described management node server, the task status of described pending task to be revised as according to the response of described task by described management node server do not perform, to make the described pending task of the execution of other node servers in cluster except described node server except.
7. device as claimed in claim 6, it is characterized in that, described device also comprises:
3rd sending module, for sending task requests to management node server, described task requests carries the mark of described pending task, and described management node server is revised as in execution according to the task status of described task requests by described pending task.
8. device as claimed in claim 6, it is characterized in that, described first acquisition module, comprising:
Acquiring unit is unenforced mission bit stream for obtaining task status;
Computing unit, the difference of the timestamp that the execution needs comprised for calculating described mission bit stream are executed the task and current time stamp;
First selected cell, for selecting minimum value from described difference, using mission bit stream corresponding for described minimum value as described pending mission bit stream.
9. device as claimed in claim 6, it is characterized in that, described device also comprises:
Receiver module, for receiving the needs mark of executing the task of user's input and performing the timestamp that described needs execute the task;
Preserve module, for the mark of being executed the task by described needs with perform the timestamp that described needs execute the task and be kept in described task status table.
10. device as claimed in claim 6, it is characterized in that, described second acquisition module, comprising:
Second selected cell, for the node server of Stochastic choice from cluster server, using the node server of described selection as the node server performing described pending task;
Or the 3rd selected cell, for the load according to the node server in cluster server, selects the node server of least-loaded, using the node server of described least-loaded as the node server performing described pending task.
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