{"id":723,"date":"2015-11-26T08:15:43","date_gmt":"2015-11-26T08:15:43","guid":{"rendered":"http:\/\/haisins.epac.to\/wordpress\/?p=723"},"modified":"2015-11-26T08:15:43","modified_gmt":"2015-11-26T08:15:43","slug":"sar-vmstat-iostat-%eb%b6%84%ec%84%9d%ed%95%98%ea%b8%b0","status":"publish","type":"post","link":"https:\/\/haisins.synology.me\/wordpress\/?p=723","title":{"rendered":"sar vmstat iostat \ubd84\uc11d\ud558\uae30"},"content":{"rendered":"

\uc544\ub798\uc758 \ucd9c\ub825 \uacb0\uacfc\ub97c \ubcf4\uace0 \uc0c1\ud0dc \ubd84\uc11d\uc744 \ud574\ubcf4\uc790.<\/p>\n

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\u25a0 vmstat \ubd84\uc11d
–  \uc2e4\ud589 \ud050\uc5d0 \ub300\uae30\ud558\ub294 \ud504\ub85c\uc138\uc2a4 \ub610\ub294 \uc4f0\ub808\ub4dc\uac00 \uc5c6\uc73c\uba70 CPU IDLE\uc740 90%\uc774\uc0c1 \uc720\uc9c0
–  \ud070 \uc785\ucd9c\ub825\uc5d0 \uc758\ud574 \ube14\ub85d(b \ud544\ub4dc)\ub418\ub294 \ubd80\ubd84 \uc5c6\uc74c
–  \uba54\ubaa8\ub9ac \ubd80\uc871\uc5d0 \uc758\ud574 \uc2a4\uc651 \uc7a5\uce58\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \ubd80\ubd84\uc740 \uc5c6\uc74c(w \ud544\ub4dc)
–  \uac00\uc0c1 \uba54\ubaa8\ub9ac\ub294 \uc57d 2.8GB, \ubb3c\ub9ac \uba54\ubaa8\ub9ac\ub294 400MB \uc0ac\uc6a9 \uac00\ub2a5
–  po\ud544\ub4dc\uc5d0 \uc77c\uc815 \ud06c\uae30\uac00 \ubc1c\uc0dd\ud558\uace0 \uc788\ub294 \uac83\uc73c\ub85c \ubcf4\uc544 \uba54\ubaa8\ub9ac\uc5d0\uc11c \ud398\uc774\uc9c0 \uc544\uc6c3\uc774 \ubc1c\uc0dd\ud558\uace0 \uc788\uc73c\uba70 \uc774\uc911 \uc77c\ubd80\ub294 \uc790\uc720 \ud398\uc774\uc9c0(fr)\uac00 \ub418\uace0 \uc788\uc74c
–  \uccab \ubc88\uc9f8 \ub514\uc2a4\ud06c(sd)\uc5d0 \uc77c\uc815 \uc785\ucd9c\ub825\uc774 \uc788\ub294 \uac83\uc73c\ub85c \ubcf4\uc544 \ud398\uc774\uc9c0 \uc544\uc6c3\uc774 \ub514\uc2a4\ud06c\uc640 \ub3d9\uae30\ud654 \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub294 \uac83\uc73c\ub85c \ucd94\uc815<\/p>\n

\u25a0 sar \ubd84\uc11d
–  CPU \ucc98\ub9ac \uc791\uc5c5\uc774 \ub9ce\uc9c0 \uc54a\uc74c(%usr %sys\ub294 5% \uc774\ud558 \uc720\uc9c0)
–  \uacfc\ub3c4\ud55c \uc785\ucd9c\ub825 \ucc98\ub9ac\uc5d0 \ub530\ub978 \ud504\ub85c\uc138\uc2a4\uac00 \uae30\ub2e4\ub9ac\ub294 \ud604\uc0c1 \uc5c6\uc74c(%wio\uac00 0%)
–  CPU \uc21c\uc218 IDLE\uc774 95% \uc774\uc0c1 \uc720\uc9c0<\/p>\n

\u25a0 iostat \ubd84\uc11d
–  c0t0d0 \ub514\uc2a4\ud06c\uc5d0 \uae30\ub85d\uc5d0 \ub300\ud55c \uc2dc\uac04\uc774 \ub098\ud0c0\ub098\uace0 \uc788\uc73c\uba70(kw\/s), \ub300\uae30 \ud050 \uc2dc\uac04(wsvc_t), \uc2e4\uc81c \uc791\uc5c5 \uc2dc\uac04(asvc_t) \uc2dc\uac04\uc774 \ub098\ud0c0\ub098\uace0 \uc788\uc74c
– \ub514\uc2a4\ud06c \ubc14\uc068(%b)\uac00 4%, 10%\uc774\uba70 \ub300\ubd80\ubd84 c0t0d0s6\uc774 \uc0ac\uc6a9\ud558\uace0 \uc788\uc74c<\/p>\n

<\/p>\n

\uacb0\ub860<\/p>\n

\ud604\uc7ac \uba54\ubaa8\ub9ac\uc5d0\uc11c \ud398\uc774\uc9c0 \uc544\uc6c3\uc774 \ubc1c\uc0dd\ud558\uace0 \uc788\uc73c\uba70, c0t0d0 \ub514\uc2a4\ud06c\uc758 s6\uacfc \ub3d9\uae30\ud654 \uc791\uc5c5\uc744 \uc218\ud589\ud558\uace0 \uc788\uc74c\uc744 \ucd94\uc801\ud560 \uc218 \uc788\ub2e4.<\/p>\n

\uc774\uc5d0 \ub530\ub978 CPU \ubd80\ud558\ub7c9\uc740 \uadf9\ud788 \ubbf8\ube44\ud558\uba70, \uba54\ubaa8\ub9ac \ubd80\uc871 \ud604\uc0c1\uc740 \uc5c6\ub2e4. \ub2e8\uc9c0 \uc774 \uc21c\uac04\uc5d0 \ud398\uc774\uc9c0 \uc544\uc6c3\uc774 \ubc1c\uc0dd\ud558\uc5ec \ub514\uc2a4\ud06c \uc785\ucd9c\ub825\uc774 \ubc1c\uc0dd\ud558\uace0<\/p>\n

\uc788\uc74c\uc744 \ucd94\uc801\ud560 \uc218 \uc788\ub2e4.<\/p>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

\uc544\ub798\uc758 \ucd9c\ub825 \uacb0\uacfc\ub97c \ubcf4\uace0 \uc0c1\ud0dc \ubd84\uc11d\uc744 \ud574\ubcf4\uc790. \u25a0 vmstat \ubd84\uc11d–  \uc2e4\ud589 \ud050\uc5d0 \ub300\uae30\ud558\ub294 \ud504\ub85c\uc138\uc2a4 \ub610\ub294 \uc4f0\ub808\ub4dc\uac00 \uc5c6\uc73c\uba70 CPU IDLE\uc740 90%\uc774\uc0c1 \uc720\uc9c0–  \ud070 \uc785\ucd9c\ub825\uc5d0 \uc758\ud574 \ube14\ub85d(b \ud544\ub4dc)\ub418\ub294 \ubd80\ubd84 \uc5c6\uc74c–  \uba54\ubaa8\ub9ac \ubd80\uc871\uc5d0 \uc758\ud574 \uc2a4\uc651 \uc7a5\uce58\uc5d0\uc11c \uc2e4\ud589\ub418\ub294 \ubd80\ubd84\uc740 \uc5c6\uc74c(w \ud544\ub4dc)–  \uac00\uc0c1 \uba54\ubaa8\ub9ac\ub294 \uc57d 2.8GB, \ubb3c\ub9ac \uba54\ubaa8\ub9ac\ub294 400MB \uc0ac\uc6a9 \uac00\ub2a5–  po\ud544\ub4dc\uc5d0 \uc77c\uc815 \ud06c\uae30\uac00 \ubc1c\uc0dd\ud558\uace0 \uc788\ub294 \uac83\uc73c\ub85c \ubcf4\uc544 \uba54\ubaa8\ub9ac\uc5d0\uc11c \ud398\uc774\uc9c0 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"spay_email":""},"categories":[405],"tags":[417,418,406],"jetpack_featured_media_url":"","amp_enabled":true,"_links":{"self":[{"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/723"}],"collection":[{"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=723"}],"version-history":[{"count":0,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/723\/revisions"}],"wp:attachment":[{"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=723"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=723"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haisins.synology.me\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=723"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}