「CentOS」sarコマンドを利用するメモ
1.sysstatのインストール
# yum install sysstat
Loaded plugins: fastestmirror, langpacks
base | 3.6 kB 00:00
extras | 3.4 kB 00:00
remi-safe | 2.9 kB 00:00
updates | 3.4 kB 00:00
(1/2): updates/7/x86_64/primary_db | 5.6 MB 00:00
(2/2): remi-safe/primary_db | 930 kB 00:02
Loading mirror speeds from cached hostfile
* base: ftp.iij.ad.jp
* extras: ftp.iij.ad.jp
* remi-safe: mirrors.mediatemple.net
* updates: ftp.iij.ad.jp
Resolving Dependencies
–> Running transaction check
—> Package sysstat.x86_64 0:10.1.5-7.el7 will be updated
—> Package sysstat.x86_64 0:10.1.5-11.el7 will be an update
–> Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package Arch Version Repository Size
================================================================================
Updating:
sysstat x86_64 10.1.5-11.el7 base 310 k
Transaction Summary
================================================================================
Upgrade 1 Package
Total download size: 310 k
Is this ok [y/d/N]: y
Downloading packages:
Delta RPMs disabled because /usr/bin/applydeltarpm not installed.
sysstat-10.1.5-11.el7.x86_64.rpm | 310 kB 00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Updating : sysstat-10.1.5-11.el7.x86_64 1/2
Cleanup : sysstat-10.1.5-7.el7.x86_64 2/2
Verifying : sysstat-10.1.5-11.el7.x86_64 1/2
Verifying : sysstat-10.1.5-7.el7.x86_64 2/2
Updated:
sysstat.x86_64 0:10.1.5-11.el7
Complete!
2.CPU(全体)使用状況確認
#sar -u 1
3.CPU(Core単位)使用状況確認
#sar -P ALL 1
4.ロードアベレージ状況
#sar -q 1
5.メモリ使用状況
#sar -r 1
6.スワップ使用状況
#sar -S 1
7.ディスク使用状況
#sar -p -d 1 1
8.Network使用状況
#sar -n DEV 1 | grep eth0