sar ã使ã£ã¦ããæã«ã Invalid system activity fileã¾ãã¯ã ã·ã¹ãã åä½æ å ±ãã¡ã¤ã«ã®å½¢å¼ãæ£ããããã¾ããã¨ããã¨ã©ã¼ã¡ãã»ã¼ã¸ã表示ããã¦ä½¿ããªããã¨ãããã¾ãã SYSSTAT ã® 2.1 ãè¦ãã¨ã You are trying to use a file which is not a system activity file, or whose format is no longer compatible with that of files created by current version of sar. If you were trying to use the standard system activity files located in the /var/log/sa directory then the solution is
sarã³ãã³ããå ¥ã£ã¦ããããã±ã¼ã¸ â CentOSã§sarã³ãã³ããã¤ã³ã¹ãã¼ã«ããã¦ãããã·ã³ã§ã©ã®ããã±ã¼ã¸ããã¤ã³ã¹ãã¼ã«ããããã確èªãã¦ã¿ã¾ããã $ rpm -qf /usr/bin/sar sysstat-7.0.2-11.el5 åèè³æ éå¼ãUNIXã³ãã³ã/ãã¡ã¤ã«ãã³ãã³ããã©ã®ããã±ã¼ã¸ã«å«ã¾ãã¦ããã調ã¹ãæ¹æ³ ä¸è¨ã®ã³ãã³ããå®è¡ããã¨ãsysstatããã±ã¼ã¸ã«sarã³ãã³ããå«ã¾ãã¦ãããã¨ã確èªã§ãã¾ããã â sysstatããã±ã¼ã¸æ å ± â yum info sysstat ãå®è¡ããçµæã¯ä»¥ä¸ã®éãã§ãã # yum info sysstat Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: ftp.oss.eznetsols.org
Webãµã¼ãã«éããã ãã©ããµã¼ãã®ããã©ã¼ãã³ã¹æ¸¬å®ãããã¨ãã«ã¯ãCPUå©ç¨çãLoadAverageãªã©ã®å¤ã測å®ãã¦ããã¨ãã¿ã¼ããããããã¼ã¿ãããã°ãhttpdã®ã»ãã·ã§ã³æ°ã®æéæ¨ç§»ã¨CPUå©ç¨çã®æ¨ç§»ãçªãåãã¦ãããã¨ã§ããã®ãã·ã³ã®æ§è½ä¸æ¯ã使ã£ã¦ããã®ããä½è£ã§åãã¦ããã®ãã®å¤æããããããªãããã ã Linuxã§ããã°"sar"ã¨ããã³ãã³ãã使ãã°ãæ¯è¼çç°¡åã«CPUå©ç¨çãLoadAverageã®ãã¼ã¿ãåå¾ã§ããã®ã§ãããã使ãã®ãããã¨æãããèªåã§ãããã使ã£ã¦ãã¼ã¿åããã¦ãããã¨ãã»ã¨ãã©ã "sar"ã¯ãsysstatã¨ããããã±ã¼ã¸ã«å«ã¾ãã¦ããã®ã§ãDebianã ã£ãã aptitude install sysstat CentOSã§ã yum install sysstat ã§ã¤ã³ã¹ãã¼ã«ã¯å®äºã 使ãæ¹ã¯ç°¡å㧠sar 10 ã¨ã³ãã³ãã©ã¤
sar -Aã§åå¾ããã·ã¹ãã ã®å©ç¨ç¶æ³ã®ä¸ã§ããã£ã¹ã¯IOã示ããã®ã¯ä¸è¨ã®è¨è¿°é¨åã 17:57:57 DEV tps rd_sec/s wr_sec/s avgrq-sz avgqu-sz await svctm %util 17:58:07 dev8-0 8.78 0.00 134.13 15.27 0.01 0.73 0.73 0.64 17:58:07 dev8-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:07 dev8-2 8.78 0.00 134.13 15.27 0.01 0.73 0.73 0.64 17:58:07 dev8-16 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:07 dev8-17 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0
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sar ã§åéãããªã½ã¼ã¹ä½¿ç¨æ å ±ã sadf ã³ãã³ã㧠TSV ã¨ãã¦åºå (2014/8/6追è¨) sar ã§åéãããªã½ã¼ã¹ä½¿ç¨æ å ±ã sadf ã³ãã³ã㧠TSV ã¨ãã¦åºåã§ãã - å®®å·æã®æ¥è¨ âå ¨ãç¥ãã¾ããã§ãã ç§ãããå©ç¨ããoption (2013/8/6追è¨. ããå¿ããã®ã§) $ sar -r -s 00:00:00 -e 01:00:00 -f /var/log/sa/sa03 ï½µï¾ï¾ï½¼ï½®ï¾ å 容 ä¾ -q load average $ sar -q -u cpu使ç¨ç $ sar -u -b I/Oåæ°ã¨ï¾ï¾ï½°ï¾é $ sar -b -r ï¾ï¾ï¾ã¨ï½½ï¾ï½¯ï¾ï¾ä½¿ç¨ç $ sar -r -s éå§æé $ sar -s 00:00:00 -e çµäºæé $ sar -e 03:00:00 -f æ¥ä» â» $ sar -f /var/log/sa/sa03 â»ã
CentOS 5 ã®ããã©ã«ãã® sysstat æ¡åå¨æ㯠10 åã«ãªã£ã¦ããããããã ã¨ã¢ã©éããã¨æãããã¨ãããã®ã§ãèªåã®ç®¡çãã¦ãããµã¼ãã§ã¯ 1 åå¨æã«å¤æ´ãã¦ããã ããã©ã«ãã® /etc/cron.d/sysstat ã¯ã次ã®ããã«ãªã£ã¦ããã # run system activity accounting tool every 10 minutes */10 * * * * root /usr/lib64/sa/sa1 1 1 # generate a daily summary of process accounting at 23:53 53 23 * * * root /usr/lib64/sa/sa2 -A ãããã次ã®ããã«å¤æ´ããã # run system activity accounting tool every 1 minutes */1 *
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