CN102141934A - Method and device for controlling process on fat node - Google Patents
Method and device for controlling process on fat node Download PDFInfo
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- 230000003111 delayed effect Effects 0.000 description 1
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Abstract
The invention discloses a method and device for controlling process on a fat node. The method comprises the following steps of: periodically acquiring size of currently used storage space in the memory or a swap partition on the fat node; determining whether the size of the currently used storage space in the memory reaches or exceeds a preset memory threshold and the size of the currently used storage space in the swap partition reaches or exceeds a preset partition threshold so as to acquire an determination result; selecting a target process in the currently running process according to a preset strategy if the determination result is that the size of the current used storage space reaches or exceeds the preset memory threshold or the preset partition threshold; and closing the selected target process. The method and the device can effectively avoid occurrence of downtime of the whole system due to the fact that the requirement on a running program for the memory exceeds the actual physical memory for the fat node which is used by a plurality of users and runs a plurality of tasks.
Description
Technical field
The present invention relates to computer realm, be specifically related to course control method and device on a kind of fat node.
Background technology
Industry and scientific research field are more and more for the demand of large-scale calculations at present, and such computation requirement often need have a large amount of CPU to calculate core number, memory source, storage space, carry out on the computing node of express network communication, this just makes that also fat node is more and more used by users, becomes the main force in calculating field.
As a large-scale computing node, normally used is the (SuSE) Linux OS of multi-user, multitask.Because to the requirement of operation efficiency, the user does not wish that program uses SWAP (exchange) subregion, thus the SWAP subregion often the actual physics internal memory of relative system is less.This also just makes and exchanges at the internal memory that is difficult on the fat node carry out between large-scale physical memory and the SWAP, therefore the needed memory size of process that requires to move in the system will guarantee in the physical memory size as far as possible, in case surpass the physical memory actual size, the machine of delaying that just probably causes total system, ongoing all computings are all fallen short of success for lack of final effort on feasible this fat node.
And for a user in the enterprising row operation of fat node, general being difficult to has estimation very accurately to the program of oneself operation in the needed actual memory quantity of calculating of each different phase, and the operation program of also inconvenient simultaneously monitoring constantly oneself is to the operating position of internal memory.
Summary of the invention
The technical problem to be solved in the present invention be for can use for a plurality of users, the fat node of a plurality of task runs, how effectively to avoid because the program of operation surpasses the actual physics internal memory to the demand of internal memory, thereby cause the situation of the machine of delaying of total system to take place.
In order to address the above problem, the invention provides the course control method on a kind of fat node, comprising:
Periodically obtain on the fat node size of the storage space of current use in the internal memory and exchange partition;
The size that judges whether the storage space of current use in the described internal memory meets or exceeds default memory threshold, and the size of the storage space of current use meets or exceeds default subregion threshold value in the described exchange partition, obtains judged result;
If described judged result is for being, then in the process of current operation, select target process according to predetermined strategy;
Close the target process of selected taking-up.
Further, the predetermined strategy of the described basis step that selects target process in the process of current operation comprises:
In the process of current operation, extract memory usage and be equal to or greater than the process of 0.1% domestic consumer;
In the process that is extracted, select target process according to predetermined strategy.
Further, described predetermined strategy is a process of choosing current committed memory or exchange partition storage space maximum.
Further, described predetermined strategy is a process of choosing current C PU minimum working time.
Further, described predetermined strategy is the time of submitting to according to operation, chooses the process of last submit job.
The present invention also provides the progress control unit on a kind of fat node, comprising:
Acquisition module is used for periodically obtaining the size of the storage space of internal memory and the current use of exchange partition on the fat node;
Judge module, the size that is used for judging whether the storage space of the current use of described internal memory meets or exceeds default memory threshold, and the size of the storage space of current use meets or exceeds default subregion threshold value in the described exchange partition, obtains judged result;
Select module, be used for when described judged result when being, in the process of current operation, select target process according to the strategy of being scheduled to;
Closing module is used to close the target process of selected taking-up.
Further, described selection module selects target process according to predetermined strategy and is meant in the process of current operation:
Described selection module extracts the process that memory usage is equal to or greater than 0.1% domestic consumer in the process of current operation; In the process that is extracted, select target process according to predetermined strategy.
Further, described predetermined strategy is a process of choosing current committed memory or exchange partition storage space maximum.
Further, described predetermined strategy is a process of choosing current C PU minimum working time.
Further, described predetermined strategy is the time of submitting to according to operation, chooses the process of last submit job.
Technical scheme of the present invention can effectively be monitored and manage system memory resource, to prevent owing to internal memory uses the excessive fat node machine of delaying that causes, thereby avoid causing the waste of a large amount of computational resources, reduce the complexity that the user uses system resource, make more convenient, more stable, the operation more efficiently of system, and discharge under the untimely situation at the SWAP subregion, can rev down process rev yet.A prioritization scheme of the present invention can avoid closing the process such as Telnet to the advanced row filter of process.Another prioritization scheme of the present invention can effectively guarantee reasonable, the effectively utilization of fat node resource, and can carry out the adjustment of various control strategy according to user's real world applications situation, in the resource maximum using, reduced the complexity that the user uses system resource, made more convenient, more stable, the operation more efficiently of system.
Description of drawings
Fig. 1 is the closed-loop control model of the example of embodiment one;
Fig. 2 is the schematic block diagram of the progress control unit on the fat node of embodiment two.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
Need to prove that if do not conflict, each feature among the embodiment of the invention and the embodiment can mutually combine, all within protection scope of the present invention.In addition, can in computer system, carry out in the step shown in the process flow diagram of accompanying drawing such as a set of computer-executable instructions, and, though there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
Course control method on embodiment one, a kind of fat node comprises:
Periodically obtain on the fat node size of the storage space of current use in the internal memory and exchange partition;
The size that judges whether the storage space of current use in the described internal memory meets or exceeds default memory threshold, and the size of the storage space of current use meets or exceeds default subregion threshold value in the described exchange partition, obtains judged result;
If described judged result is for being, then in the process of current operation, select target process according to predetermined strategy;
Close the target process of selected taking-up.
In the present embodiment, described memory threshold and subregion threshold value can be provided with according to the physical memory of fat node and the size of exchange partition respectively voluntarily, are such as but not limited to be taken as 90% etc. of total storage space; The size of the storage space of the current use of being obtained can be concrete capability value, also can be the ratio that accounts for total storage space, and described internal memory/subregion threshold value also should be capability value or ratio mutually.
In the present embodiment, obtain on the fat node that the cycle of the size of the storage space of current use can be provided with system performance as required voluntarily in the internal memory and exchange partition.
In the present embodiment,, then keep current system process user mode if the size of the storage space of current use does not reach internal memory/subregion threshold value in internal memory/exchange partition.
In the present embodiment, two threshold values are set are for fear of pass process by mistake in some cases, this is at the design feature design of fat node.Fat node is that a class has relatively large CPU calculating core number, memory source, storage space, network communication at a high speed, but the calculation server node in less relatively local hard drive space, and the exchange partition on it is with respect to the negligible amounts of internal memory; In the fat node, after internal memory is taken, the storage space in the beginning applications exchange subregion; After some program run are intact, the storage space in the internal memory will be released, but the storage space in the exchange partition can not be released immediately, iff the subregion threshold value is set, then might occur obviously in the internal memory storage space being arranged, but the problem of rev down process rev; And in the fat node internal memory generally greater than exchange partition, internal memory and exchange partition are provided with threshold value respectively, and ability rev down process rev when the storage size of internal memory and the current use of exchange partition all meets or exceeds threshold value just can avoid storage space to use inadequate situation to occur.
Present embodiment just is controlled at the internal memory that uses within the threshold range by the mode of process control when memory usage has surpassed preset threshold, owing to be periodically to carry out, therefore after being adjusted, also can continue system process to gather internal memory and exchange partition operating position, and compare with threshold value, thereby can form a closed-loop control system, make total system be controlled at stable equilibrium state; Present embodiment can effectively be controlled fat node memory resource and use, and can avoid causing the waste of a large amount of computational resources preventing to cause fat node to be delayed in the machine because the internal memory use is excessive.
In the present embodiment, described predetermined strategy can but be not limited in following three kinds any:
(1) chooses the process of current committed memory or exchange partition storage space maximum;
(2) choose the process (promptly using the minimum process of CPU computational resource) of current C PU minimum working time;
(3), choose the process of last submit job according to the time of operation submission.
Can also other strategy during practical application, in use can change strategy, can also set the priority of strategy, when equally big and all bigger, then choose a process of current C PU minimum working time than other process such as the storage space that takies as two or more processes.
In the present embodiment, the predetermined strategy of described basis selects target process in the process of current operation step specifically can comprise:
In the process of current operation, extract memory usage and be equal to or greater than the process of 0.1% domestic consumer;
In the process that is extracted, select target process according to predetermined strategy.
Extract memory usage earlier and be equal to or greater than the process of 0.1% domestic consumer, choose target process again, can avoid the user's of long-range connection process is closed.
In the present embodiment, can but be not limited to use and utilize linux system order ps to extract; Can also extract the following information of process during extraction:
The ID of process number, user, CPU usage, memory usage, actual run time, CPU working time, process status, fill order etc.
In the present embodiment, close the step of target process of selected taking-up after, can also outputting log file information, tell the operation of corresponding its operation of user to be stopped, and the time that stops, the information that the process that stops is relevant with process.
The method of present embodiment can but be not limited to realize with the form of Shell script, can but the mode that is not limited to the plan target by add-on system is regularly carried out this Shell script, such as the crontab plan target instrument that can use linux system to carry, thereby form a closed-loop system of memory source being used control.
Specifically describe with an example below; This example is a kind of specific implementation of present embodiment, and the realization details of present embodiment is not limited to this example.
As shown in fig. 1, the crontab plan target instrument that carries by linux system carries out internal memory monitoring, the memory source operating position of timing acquiring system, and compare with preset threshold, carry out process control according to comparative result.
In this example, obtain the current memory usage information of system by following order,
usedmem＝`free|awk′$1～″-/+″{print$3}′`
usedswap＝`free|awk′$1～″Swap″{print$3}′`
Obtain system's current process information by following order,
ps -eo user，pid，pcpu，pmem，stat，start_time，cputime，etime，args|awk′($1！＝″root″&&$1！＝″USER″&&$4＞0.0){print$0}′
To the start_time that gets access to, cputime, it is unit that etime need convert to the second time of carrying out, by realizing with minor function,
function?timetos
{
time＝$1
dayflag＝`echo″$time″|awk-F-′{print?NF}′`
if[″$dayflag″-eq?2]；then
daytos＝`echo″$time″|awk-F-′{print$1*24*3600}′`
tmptime＝`echo″$time″|awk-F-′{print$2}′`
else
daytos＝0
tmptime＝`echo″$time″|awk-F-′{print$1}′`
fi
timeflag＝`echo″$tmptime″|awk-F：′{print?NF}′`
if[″$timeflag″-eq?3]；then
htos＝`echo″$tmptime″|awk-F：′{print$1*3600}′`
mtos＝`echo″$tmptime″|awk-F：′{print$2*60}′`
stos＝`echo″$tmptime″|awk-F：′{print$3}′`
elif[″$timeflag″-eq?2]；then
htos＝0
mtos＝`echo″$tmptime″|awk-F：′{print$1*60}′`
stos＝`echo″$tmptime″|awk-F：′{print$2}′`
fi
result＝$((10#$daytos+10#$htos+10#$mtos+10#$stos))
echo″$result″
}
Stop target process by following order,
kill-9″$pidl″
Freemem.sh adds into plan target with this script, and make this script regularly carry out the internal memory operating position and detect,
crontab-e
0-59****sh/var/log/freemem/freemem.sh 3# takes the third strategy, per minute detects once
Make regular check on the daily record file, then can notify this user with the daily record form if any the process that is stopped, in the journal file output as follows,
Wed Apr 14 20:24:01 AST 2010# (cutting off the time of this process)
Kill?the?process?by?the?option?3，please?tell?the?user?liujc！
liujc 22457?99.993.5?R 09:17?11:05:35 11:06:05?velveth_de
This example can be regarded a closed-loop control system as, input is the variation to internal memory and exchange partition resource occupation of preset threshold and process, output is the internal memory of the actual use of system and the size of exchange partition, feedback is data acquisition and the conversion to closed-loop control system internal memory and exchange partition operating position, guarantees that the output of closed-loop control system is stabilized within the threshold range.
Embodiment two, and the progress control unit on a kind of fat node as shown in Figure 2, comprising:
Acquisition module is used for periodically obtaining the size of the storage space of internal memory and the current use of exchange partition on the fat node;
Judge module, the size that is used for judging whether the storage space of the current use of described internal memory meets or exceeds default memory threshold, and the size of the storage space of current use meets or exceeds default subregion threshold value in the described exchange partition, obtains judged result;
Select module, be used for when described judged result when being, in the process of current operation, select target process according to the strategy of being scheduled to;
Closing module is used to close the target process of selected taking-up.
In the present embodiment, described selection module selects target process according to predetermined strategy and specifically can be meant in the process of current operation:
Described selection module extracts the process that memory usage is equal to or greater than 0.1% domestic consumer in the process of current operation; In the process that is extracted, select target process according to predetermined strategy.
In the present embodiment, described predetermined strategy can but be not limited to a kind of in following three kinds:
(1) chooses the process of current committed memory or exchange partition storage space maximum;
(2) choose the process (promptly using the minimum process of CPU computational resource) of current C PU minimum working time;
(3), choose the process of last submit job according to the time of operation submission.
Other realizes that details can be referring to embodiment one.
One of ordinary skill in the art will appreciate that all or part of step in the said method can instruct related hardware to finish by program, described program can be stored in the computer-readable recording medium, as ROM (read-only memory), disk or CD etc.Alternatively, all or part of step of the foregoing description also can use one or more integrated circuit to realize.Correspondingly, each the module/unit in the foregoing description can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (10)
1. the course control method on the fat node comprises:
Periodically obtain on the fat node size of the storage space of current use in the internal memory and exchange partition;
The size that judges whether the storage space of current use in the described internal memory meets or exceeds default memory threshold, and the size of the storage space of current use meets or exceeds default subregion threshold value in the described exchange partition, obtains judged result;
If described judged result is for being, then in the process of current operation, select target process according to predetermined strategy;
Close the target process of selected taking-up.
2. the method for claim 1 is characterized in that, the predetermined strategy of described basis selects target process in the process of current operation step comprises:
In the process of current operation, extract memory usage and be equal to or greater than the process of 0.1% domestic consumer;
In the process that is extracted, select target process according to predetermined strategy.
3. method as claimed in claim 1 or 2 is characterized in that:
Described predetermined strategy is a process of choosing current committed memory or exchange partition storage space maximum.
4. method as claimed in claim 1 or 2 is characterized in that:
Described predetermined strategy is a process of choosing current C PU minimum working time.
5. method as claimed in claim 1 or 2 is characterized in that:
Described predetermined strategy is the time of submitting to according to operation, chooses the process of last submit job.
6. the progress control unit on the fat node is characterized in that, comprising:
Acquisition module is used for periodically obtaining the size of the storage space of internal memory and the current use of exchange partition on the fat node;
Judge module, the size that is used for judging whether the storage space of the current use of described internal memory meets or exceeds default memory threshold, and the size of the storage space of current use meets or exceeds default subregion threshold value in the described exchange partition, obtains judged result;
Select module, be used for when described judged result when being, in the process of current operation, select target process according to the strategy of being scheduled to;
Closing module is used to close the target process of selected taking-up.
7. device as claimed in claim 6 is characterized in that, described selection module selects target process according to predetermined strategy and is meant in the process of current operation:
Described selection module extracts the process that memory usage is equal to or greater than 0.1% domestic consumer in the process of current operation; In the process that is extracted, select target process according to predetermined strategy.
8. as claim 6 or 7 described devices, it is characterized in that:
Described predetermined strategy is a process of choosing current committed memory or exchange partition storage space maximum.
9. as claim 6 or 7 described devices, it is characterized in that:
Described predetermined strategy is a process of choosing current C PU minimum working time.
10. as claim 6 or 7 described devices, it is characterized in that:
Described predetermined strategy is the time of submitting to according to operation, chooses the process of last submit job.
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| CN102662762A (en) * | 2012-03-30 | 2012-09-12 | 浪潮电子信息产业股份有限公司 | Method for effectively controlling use of memory resource of fat node |
| CN102799471A (en) * | 2012-05-25 | 2012-11-28 | 上海斐讯数据通信技术有限公司 | Method and system for process recycling of operating system |
| CN103092689A (en) * | 2013-01-10 | 2013-05-08 | 深圳市金立通信设备有限公司 | Method and terminal of process management |
| CN103117923A (en) * | 2013-01-18 | 2013-05-22 | 杭州华三通信技术有限公司 | Process management method and process management equipment |
| WO2014079228A1 (en) * | 2012-11-20 | 2014-05-30 | 惠州Tcl移动通信有限公司 | Method for automatic cleaning background application of electronic device, electronic device and storage medium |
| CN104375898A (en) * | 2014-11-20 | 2015-02-25 | 无锡悟莘科技有限公司 | Mobile terminal CPU occupancy rate optimization method |
| CN105159770A (en) * | 2015-09-21 | 2015-12-16 | 天脉聚源(北京)传媒科技有限公司 | Progress management method and apparatus |
| CN105389201A (en) * | 2014-09-03 | 2016-03-09 | 中国石油化工股份有限公司 | Process management method and system thereof based on high-performance computing cluster |
| CN105700960A (en) * | 2016-01-13 | 2016-06-22 | 广东欧珀移动通信有限公司 | Network positioning process start stop method, device and mobile terminal |
| CN111880928A (en) * | 2020-07-06 | 2020-11-03 | Oppo广东移动通信有限公司 | Method for selecting process to release and terminal equipment |
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| CN102662762A (en) * | 2012-03-30 | 2012-09-12 | 浪潮电子信息产业股份有限公司 | Method for effectively controlling use of memory resource of fat node |
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| CN103117923A (en) * | 2013-01-18 | 2013-05-22 | 杭州华三通信技术有限公司 | Process management method and process management equipment |
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| CN104375898A (en) * | 2014-11-20 | 2015-02-25 | 无锡悟莘科技有限公司 | Mobile terminal CPU occupancy rate optimization method |
| CN104375898B (en) * | 2014-11-20 | 2017-12-01 | 无锡悟莘科技有限公司 | A kind of mobile terminal CPU usage optimization method |
| CN105159770A (en) * | 2015-09-21 | 2015-12-16 | 天脉聚源(北京)传媒科技有限公司 | Progress management method and apparatus |
| CN105159770B (en) * | 2015-09-21 | 2018-07-20 | 天脉聚源(北京)传媒科技有限公司 | A kind of management method and device of process |
| CN105700960A (en) * | 2016-01-13 | 2016-06-22 | 广东欧珀移动通信有限公司 | Network positioning process start stop method, device and mobile terminal |
| CN105700960B (en) * | 2016-01-13 | 2018-01-19 | 广东欧珀移动通信有限公司 | A kind of start and stop method, device and mobile terminal of network positions process |
| CN111880928A (en) * | 2020-07-06 | 2020-11-03 | Oppo广东移动通信有限公司 | Method for selecting process to release and terminal equipment |
| CN111880928B (en) * | 2020-07-06 | 2024-04-19 | Oppo广东移动通信有限公司 | Method for releasing selection process and terminal equipment |
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Application publication date: 20110803 |