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Method for acquiring connection point information in computer group system

A cluster system and computer technology, applied in the field of computer cluster monitoring system, can solve problems such as CPU time increase

Inactive Publication Date: 2005-09-28
LENOVO (BEIJING) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Every system call during acquisition causes a context switch, figure 2 It shows the flow of context switching in the traditional system information collection method. When the sampling frequency increases, the CPU time occupied by context switching will increase significantly

Method used

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  • Method for acquiring connection point information in computer group system
  • Method for acquiring connection point information in computer group system
  • Method for acquiring connection point information in computer group system

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0011] Embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0012] image 3 A block diagram of a method for collecting node information according to an embodiment of the present invention is shown.

[0013] Add a system call to the Linux operating system through a Linux kernel module, and all the system information needed by the user can be obtained at one time through this system call.

[0014] NA: node agent, which receives commands from the console, collects system information of the node, and sends the node information to the console through the cabinet agent (NP). NA runs in user mode.

[0015] sysstat(): A system call to obtain node information. This system call takes a parameter that is a pointer to the struct sysstat structure. System calls can get all the information that needs to be collected.

[0016] lcm_mod: The kernel module that provides the sysstat() system call and runs in kernel mode. The sy...

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PUM

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Abstract

The method of acquiring node information in computer group system runs in all the nodes of the computer group system. The method includes the following steps: the initialization step of initializing system call list; the information acquiring step including obtaining CPU relating information from the kernel, obtaining network interface information from the kernel and obtaining system relating information from the kernel; and the information copying step of copying the obtained information to the user state for the monitoring of node state. The method raises the monitoring system allowable data acquiring frequency and lowers the occupation of monitoring to system resource.

Description

technical field [0001] The present invention relates to the field of computer cluster monitoring systems, and more specifically, relates to a method for acquiring node information in a computer cluster system, aiming at improving the efficiency of node information collection in the cluster monitoring system. This method improves the allowable The frequency of data collection reduces the occupation of system resources by monitoring methods. Background technique [0002] A cluster server system (Cluster) is a collection of multiple independent computers (nodes) connected to each other. Each node is a separate computer, which can be a PC or a server. Each node has its own processor. , storage systems, I / O devices, and operating systems. The most common operating system on the node machine is Linux. These nodes are connected through a high-speed network, and the application middleware forms each node into a super server with a single image. The cluster server is currently the...

Claims

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Application Information

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IPC IPC(8): G06F11/30
Inventor 蒋晓华饶弋宁张羽飞陈又新陈然金正操李金丽崔吉顺易昭华程菊生
Owner LENOVO (BEIJING) CO LTD
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