linux查看服务器性能方法（Linux view server performance methods）.docVIP

下载本文档

1
0
约8千字
约 12页
2017-09-05 发布于河南
举报
版权申诉

linux查看服务器性能方法（Linux view server performance methods）.doc

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

linux查看服务器性能方法（Linux view server performance methods）

linux查看服务器性能方法（Linux view server performance methods） In the command line mode, how to use view CPU, memory, disk and network traffic I/O? Q: in the command line mode, how to use view CPU, memory, disk and network traffic I/O? A: in the command line mode, 1. see the usage of CPU commands Refresh every 5 seconds, the occupancy rate of CPU on the right side of the data Vmstat $5 Then according to the top Shift+P, according to the process of sorting processor occupancy rate $top 2. see the memory usage of the command Use the free command to view memory usage $free Then according to the top Shift+M, according to the process of memory usage ranking $top 3. see network traffic You can use the tool iptraf tool $iptraf -g 4. check the disk i/o I/o disk with iostat disk /dev/sdc3, refresh every two seconds Iostat -d -x /dev/sdc3 $2 Use vmstat to view the information in part IO Vmstat $2 Install the iptraf package RPM -Uvh iptraf-3.0.0-13.2.x86_64.rpm Install the sysstat package RPM -Uvh sysstat-8.0.4-1.4.x86_64.rpm # SAR -n DEV -u 110 Look at the current network traffic command # iostat -t 110 Look at the current hard disk read and write speed #sar -n DEV -u -b 210000 Look at the current network traffic, CPU The sysstat tool is a common tool under Unix linux. Its main purpose is to observe the service load, such as CPU and memory occupancy rate, the usage of the network and the disk write and read speed etc.. In SUSE Linux 10 can not directly use the SAR command, you need to install the sysstat RPM package can. After the installation there will be iostat, mpstat, SAR function. Start sysstat /etc/init.d/sysstat start Set the sysstat from the start #checkfig sysstat on The following specific usage and parameters: 1, SAR -u 15 The use of the statistical information of the output CPU, the output of a second, a total output of 5 17 06 minutes 01 seconds CPU%user%nice%system%iowait%idle 17 06 1.27 0 0.51 1.01 02 second all 97.22 17 06 0 0 0 0 03 second all 100 17 06 0 0 0 0 04 sec