{"id":5910,"date":"2013-12-12T13:25:22","date_gmt":"2013-12-12T18:25:22","guid":{"rendered":"http:\/\/www.hostdime.com\/blog\/?p=5910"},"modified":"2020-05-07T17:28:18","modified_gmt":"2020-05-07T21:28:18","slug":"sar-command-linux-server-load","status":"publish","type":"post","link":"https:\/\/www.hostdime.com\/blog\/sar-command-linux-server-load\/","title":{"rendered":"How to Check Current and Past Server Load via SSH\/Shell"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.hostdime.com\/blog\/wp-content\/uploads\/2013\/12\/load.jpg\" alt=\"sar command linux\" width=\"500\" height=\"364\" class=\"aligncenter size-full wp-image-5944\" srcset=\"https:\/\/www.hostdime.com\/blog\/wp-content\/uploads\/2013\/12\/load.jpg 500w, https:\/\/www.hostdime.com\/blog\/wp-content\/uploads\/2013\/12\/load-300x218.jpg 300w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\" \/><\/p>\n<p>This guide will show you how to check the current and past server load via SSH\/Shell.<\/p>\n<p>System Activity Reporter (SAR) is an important tool that shows system admins an overview of the server machine with status of various metrics at different points of time.<\/p>\n<p>Using the sar command inside your Server from the command line will allow you to view history of server loads.<\/p>\n<p><strong>Report queue length and load averages. The following values are displayed:<\/strong><\/p>\n<blockquote><p>sar -q<\/p><\/blockquote>\n<p><strong>Result<\/strong><\/p>\n<blockquote><p>root@hostdime.com(~)$ sar -q<br \/>\nLinux 2.6.18-348.16.1.el5 (hostdime.com)\u00a0\u00a0 12\/03\/2013<br \/>\n12:00:01 AM\u00a0\u00a0 runq-sz\u00a0 plist-sz\u00a0\u00a0 ldavg-1\u00a0\u00a0 ldavg-5\u00a0 ldavg-15<br \/>\n12:10:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a05 \u00a0 \u00a0 \u00a0 \u00a0 331 \u00a0 \u00a0 \u00a0 \u00a0 0.83\u00a0\u00a0\u00a0\u00a0\u00a0 1.20\u00a0\u00a0\u00a0\u00a0\u00a0 1.39<br \/>\n12:20:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a07 \u00a0 \u00a0 \u00a0 \u00a0 316 \u00a0 \u00a0 \u00a0 \u00a0 1.20\u00a0\u00a0\u00a0\u00a0\u00a0 0.78\u00a0\u00a0\u00a0\u00a0\u00a0 1.01<br \/>\n12:30:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a06 \u00a0 \u00a0 \u00a0 \u00a0 317 \u00a0 \u00a0 \u00a0 \u00a0 0.51\u00a0\u00a0\u00a0\u00a0\u00a0 0.67\u00a0\u00a0\u00a0\u00a0\u00a0 0.84<br \/>\n12:40:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a05 \u00a0 \u00a0 \u00a0 \u00a0 312 \u00a0 \u00a0 \u00a0 \u00a0 0.75\u00a0\u00a0\u00a0\u00a0\u00a0 0.62\u00a0\u00a0\u00a0\u00a0\u00a0 0.73<br \/>\n12:50:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04 \u00a0 \u00a0 \u00a0 \u00a0 313 \u00a0 \u00a0 \u00a0 \u00a0 0.99\u00a0\u00a0\u00a0\u00a0\u00a0 0.66\u00a0\u00a0\u00a0\u00a0\u00a0 0.66<br \/>\n01:00:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 8 \u00a0 \u00a0 \u00a0 \u00a0 328 \u00a0 \u00a0 \u00a0 \u00a0 0.48\u00a0\u00a0\u00a0\u00a0\u00a0 0.45\u00a0\u00a0\u00a0\u00a0\u00a0 0.54<br \/>\n01:10:04 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a0 317 \u00a0 \u00a0 \u00a0 \u00a0 \u00a07.52\u00a0\u00a0\u00a0\u00a0\u00a0 6.51\u00a0\u00a0\u00a0\u00a0\u00a0 3.72<br \/>\n01:20:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 5 \u00a0 \u00a0 \u00a0 \u00a0 318 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.44\u00a0\u00a0\u00a0\u00a0\u00a0 4.54\u00a0\u00a0\u00a0\u00a0\u00a0 4.29<br \/>\n01:30:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 1 \u00a0 \u00a0 \u00a0 \u00a0 335 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01.62\u00a0\u00a0\u00a0\u00a0\u00a0 2.30\u00a0\u00a0\u00a0\u00a0\u00a0 3.19<br \/>\n01:40:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 5 \u00a0 \u00a0 \u00a0 \u00a0 333 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.25\u00a0\u00a0\u00a0\u00a0\u00a0 2.33\u00a0\u00a0\u00a0\u00a0\u00a0 2.77<br \/>\n01:50:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6 \u00a0 \u00a0 \u00a0 \u00a0 330 \u00a0 \u00a0 \u00a0 \u00a0 \u00a01.98\u00a0\u00a0\u00a0\u00a0\u00a0 2.12\u00a0\u00a0\u00a0\u00a0\u00a0 2.48<br \/>\n02:00:02 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 2 \u00a0 \u00a0 \u00a0 \u00a0 355 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.57\u00a0\u00a0\u00a0\u00a0\u00a0 3.31\u00a0\u00a0\u00a0\u00a0\u00a0 3.01<br \/>\n02:10:03 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a0 332 \u00a0 \u00a0 \u00a0 \u00a0 \u00a09.81\u00a0\u00a0\u00a0\u00a0\u00a0 9.34\u00a0\u00a0\u00a0\u00a0\u00a0 6.63<br \/>\n02:20:02 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0 \u00a0 \u00a0 \u00a0 \u00a0 316 \u00a0 \u00a0 \u00a0 \u00a0 \u00a03.67\u00a0\u00a0\u00a0\u00a0 11.16\u00a0\u00a0\u00a0\u00a0\u00a0 9.75<br \/>\n02:30:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 4 \u00a0 \u00a0 \u00a0 \u00a0 330 \u00a0 \u00a0 \u00a0 \u00a0 6.03\u00a0\u00a0\u00a0\u00a0\u00a0 8.83\u00a0\u00a0\u00a0\u00a0\u00a0 9.40<br \/>\n02:40:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6 \u00a0 \u00a0 \u00a0 \u00a0 320 \u00a0 \u00a0 \u00a0 \u00a0 0.70\u00a0\u00a0\u00a0\u00a0\u00a0 2.43\u00a0\u00a0\u00a0\u00a0\u00a0 5.84<br \/>\n02:50:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6 \u00a0 \u00a0 \u00a0 \u00a0 313 \u00a0 \u00a0 \u00a0 \u00a0 0.42\u00a0\u00a0\u00a0\u00a0\u00a0 0.74\u00a0\u00a0\u00a0\u00a0\u00a0 3.29<br \/>\n03:00:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6 \u00a0 \u00a0 \u00a0 \u00a0 324 \u00a0 \u00a0 \u00a0 \u00a00.32\u00a0\u00a0\u00a0\u00a0\u00a0 0.47\u00a0\u00a0\u00a0\u00a0\u00a0 1.93<br \/>\n03:10:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 5 \u00a0 \u00a0 \u00a0 \u00a0 316 \u00a0 \u00a0 \u00a0 \u00a0 1.09\u00a0\u00a0\u00a0\u00a0\u00a0 0.70\u00a0\u00a0\u00a0\u00a0\u00a0 1.35<br \/>\n03:20:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6 \u00a0 \u00a0 \u00a0 \u00a0 322 \u00a0 \u00a0 \u00a0 \u00a0 1.01\u00a0\u00a0\u00a0\u00a0\u00a0 1.08\u00a0\u00a0\u00a0\u00a0\u00a0 1.25<br \/>\n03:30:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 6 \u00a0 \u00a0 \u00a0 \u00a0 311 \u00a0 \u00a0 \u00a0 \u00a0 0.66\u00a0\u00a0\u00a0\u00a0\u00a0 0.73\u00a0\u00a0\u00a0\u00a0\u00a0 0.96<\/p><\/blockquote>\n<p>Here&#8217;s an explanation of the above variables:<\/p>\n<p><strong>&#8220;runq-sz&#8221;<\/strong> is the run queue length, which is the number of tasks waiting for run time.<\/p>\n<p><strong>&#8220;plist-sz&#8221;<\/strong> is the number of tasks in the task list.<\/p>\n<p><strong>&#8220;1davg-1&#8221;<\/strong> refers to the system load average over the last minute. The load average is calculated as the average number of runnable or running tasks (R state), and the number of tasks in uninterrupted sleep (D state) over the specified interval.<\/p>\n<p><strong>&#8220;ldavg-5&#8221;<\/strong> is the system load average for the past 5 minutes.<\/p>\n<p><strong>&#8220;ldavg-15&#8221;<\/strong> is, yup you guessed it, the system load average for the past 15 minutes.<\/p>\n<p><strong>Report memory utilization statistics. The following values are displayed:<\/strong><\/p>\n<blockquote><p>sar -r<\/p><\/blockquote>\n<p><strong>Results:<\/strong><\/p>\n<blockquote><p>root@hostdime.com(~)$ sar -r Linux 2.6.18-348.16.1.el5 (hostdime.com)\u00a0\u00a0 12\/03\/2013<\/p>\n<p>12:00:01 AM kbmemfree kbmemused\u00a0 %memused kbbuffers\u00a0 kbcached kbswpfree kbswpused\u00a0 %swpused\u00a0 kbswpcad<br \/>\n12:10:01 AM\u00a0\u00a0\u00a0 328064\u00a0\u00a0 7845288\u00a0\u00a0\u00a0\u00a0 95.99\u00a0\u00a0\u00a0 272396\u00a0\u00a0 4618712\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n12:20:01 AM\u00a0\u00a0\u00a0 284252\u00a0\u00a0 7889100\u00a0\u00a0\u00a0\u00a0 96.52\u00a0\u00a0\u00a0 276192\u00a0\u00a0 4639728\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n12:30:01 AM\u00a0\u00a0\u00a0 261744\u00a0\u00a0 7911608\u00a0\u00a0\u00a0\u00a0 96.80\u00a0\u00a0\u00a0 283888\u00a0\u00a0 4683176\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n12:40:01 AM\u00a0\u00a0\u00a0 228208\u00a0\u00a0 7945144\u00a0\u00a0\u00a0\u00a0 97.21\u00a0\u00a0\u00a0 284464\u00a0\u00a0 4654368\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n12:50:01 AM\u00a0\u00a0\u00a0 310600\u00a0\u00a0 7862752\u00a0\u00a0\u00a0\u00a0 96.20\u00a0\u00a0\u00a0 287632\u00a0\u00a0 4664608\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n01:00:01 AM\u00a0\u00a0\u00a0 266508\u00a0\u00a0 7906844\u00a0\u00a0\u00a0\u00a0 96.74\u00a0\u00a0\u00a0 290084\u00a0\u00a0 4687296\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n01:10:04 AM\u00a0\u00a0\u00a0\u00a0 65516\u00a0\u00a0 8107836\u00a0\u00a0\u00a0\u00a0 99.20\u00a0\u00a0\u00a0\u00a0 96704\u00a0\u00a0 5135720\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n01:20:01 AM\u00a0\u00a0\u00a0\u00a0 90536\u00a0\u00a0 8082816\u00a0\u00a0\u00a0\u00a0 98.89\u00a0\u00a0\u00a0 217188\u00a0\u00a0 4779448\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n01:30:01 AM\u00a0\u00a0\u00a0\u00a0 67152\u00a0\u00a0 8106200\u00a0\u00a0\u00a0\u00a0 99.18\u00a0\u00a0\u00a0 654052\u00a0\u00a0 3662544\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n01:40:01 AM\u00a0\u00a0\u00a0 104840\u00a0\u00a0 8068512\u00a0\u00a0\u00a0\u00a0 98.72\u00a0\u00a0\u00a0 834432\u00a0\u00a0 3053304\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n01:50:01 AM\u00a0\u00a0\u00a0\u00a0 51808\u00a0\u00a0 8121544\u00a0\u00a0\u00a0\u00a0 99.37\u00a0\u00a0\u00a0 706384\u00a0\u00a0 3158536\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n02:00:02 AM\u00a0\u00a0\u00a0\u00a0 50392\u00a0\u00a0 8122960\u00a0\u00a0\u00a0\u00a0 99.38\u00a0\u00a0\u00a0 240400\u00a0\u00a0 4271108\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n02:10:03 AM\u00a0\u00a0\u00a0\u00a0 61392\u00a0\u00a0 8111960\u00a0\u00a0\u00a0\u00a0 99.25\u00a0\u00a0\u00a0\u00a0 23328\u00a0\u00a0 5239120\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n02:20:02 AM\u00a0\u00a0\u00a0\u00a0 79088\u00a0\u00a0 8094264\u00a0\u00a0\u00a0\u00a0 99.03\u00a0\u00a0\u00a0\u00a0 95472\u00a0\u00a0 5256608\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n02:30:01 AM\u00a0\u00a0\u00a0\u00a0 85448\u00a0\u00a0 8087904\u00a0\u00a0\u00a0\u00a0 98.95\u00a0\u00a0\u00a0 265840\u00a0\u00a0 4827460\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n02:40:01 AM\u00a0\u00a0\u00a0 266552\u00a0\u00a0 7906800\u00a0\u00a0\u00a0\u00a0 96.74\u00a0\u00a0\u00a0 613888\u00a0\u00a0 3851400\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n02:50:01 AM\u00a0\u00a0 1713428\u00a0\u00a0 6459924\u00a0\u00a0\u00a0\u00a0 79.04\u00a0\u00a0\u00a0 622612\u00a0\u00a0 2439160\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n03:00:01 AM\u00a0\u00a0 1638272\u00a0\u00a0 6535080\u00a0\u00a0\u00a0\u00a0 79.96\u00a0\u00a0\u00a0 630256\u00a0\u00a0 2484628\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n03:10:01 AM\u00a0\u00a0 1122544\u00a0\u00a0 7050808\u00a0\u00a0\u00a0\u00a0 86.27\u00a0\u00a0\u00a0 643328\u00a0\u00a0 2967160\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n03:20:01 AM\u00a0\u00a0 1068264\u00a0\u00a0 7105088\u00a0\u00a0\u00a0\u00a0 86.93\u00a0\u00a0\u00a0 653020\u00a0\u00a0 3021132\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<br \/>\n03:30:01 AM\u00a0\u00a0 1024828\u00a0\u00a0 7148524\u00a0\u00a0\u00a0\u00a0 87.46\u00a0\u00a0\u00a0 661960\u00a0\u00a0 3042784\u00a0\u00a0 2096312\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 160\u00a0\u00a0\u00a0\u00a0\u00a0 0.01\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 0<\/p><\/blockquote>\n<p>Here&#8217;s an explanation of the above variables:<\/p>\n<p><strong>&#8220;kbmemfree&#8221;<\/strong> is the amount of free memory available in kilobytes.<\/p>\n<p><strong>&#8220;kbmemused<\/strong> is the amount of used memory in kilobytes, which does not take into account memory used by the kernel itself.<\/p>\n<p><strong>&#8220;%memused&#8221;<\/strong> is the percentage of used memory.<\/p>\n<p><strong>&#8220;kbbuffers&#8221;<\/strong> is the amount of memory used as buffers by the kernel in kilobytes.<\/p>\n<p><strong>&#8220;kbcached&#8221;<\/strong> is the amount of memory used to cache data by the kernel in kilobytes.<\/p>\n<p><strong>&#8220;kbcommit&#8221;<\/strong> is the amount of memory needed for the current workload in kilobytes. This is an estimate for how much RAM\/swap is needed to make sure there is enough memory.<\/p>\n<p><strong>&#8220;%commit&#8221;<\/strong> is the percentage of memory needed for current workload related to the total amount of RAM + swap (equals memory). This percantage may be greater than 100 percent because the kernel usually over-commits memory.<\/p>\n<p><strong>Report CPU utilization. The ALL keyword indicates that all the CPU fields should be displayed.<\/strong><\/p>\n<blockquote><p>sar -u<\/p><\/blockquote>\n<p><strong>Result:<\/strong><\/p>\n<blockquote><p>root@hostdime.com(~)$ sar -u Linux 2.6.18-348.16.1.el5 (hostdime.com)\u00a0\u00a0 12\/03\/2013<\/p>\n<p>12:00:01 AM\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CPU\u00a0\u00a0\u00a0\u00a0 %user\u00a0\u00a0\u00a0\u00a0 %nice\u00a0\u00a0 %system\u00a0\u00a0 %iowait\u00a0\u00a0\u00a0 %steal\u00a0\u00a0\u00a0\u00a0 %idle<br \/>\n12:10:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 0.53\u00a0\u00a0\u00a0\u00a0\u00a0 1.82\u00a0\u00a0\u00a0\u00a0\u00a0 1.84 \u00a0 \u00a0 \u00a0 \u00a0 \u00a07.05\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 88.77<br \/>\n12:20:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.21\u00a0\u00a0\u00a0\u00a0\u00a0 2.64\u00a0\u00a0\u00a0\u00a0\u00a0 0.94 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.68\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 93.53<br \/>\n12:30:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.23\u00a0\u00a0\u00a0\u00a0\u00a0 1.89\u00a0\u00a0\u00a0\u00a0\u00a0 1.10 \u00a0 \u00a0 \u00a0 \u00a0 \u00a03.73\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 93.04<br \/>\n12:40:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.44\u00a0\u00a0\u00a0\u00a0\u00a0 1.46\u00a0\u00a0\u00a0\u00a0\u00a0 1.61 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.93\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 93.56<br \/>\n12:50:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.21\u00a0\u00a0\u00a0\u00a0\u00a0 1.31\u00a0\u00a0\u00a0\u00a0\u00a0 0.84 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.49\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 95.14<br \/>\n01:00:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.24\u00a0\u00a0\u00a0\u00a0\u00a0 1.41\u00a0\u00a0\u00a0\u00a0\u00a0 0.88 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.72\u00a0\u00a0\u00a0\u00a0\u00a0 0.00 \u00a0 \u00a0 94.75<br \/>\n01:10:04 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.45\u00a0\u00a0\u00a0\u00a0\u00a0 3.71\u00a0\u00a0\u00a0\u00a0\u00a0 2.52 \u00a0 \u00a0 \u00a0 \u00a0 21.41\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 71.91<br \/>\n01:20:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.22\u00a0\u00a0\u00a0\u00a0\u00a0 3.10\u00a0\u00a0\u00a0\u00a0\u00a0 1.20 \u00a0 \u00a0 \u00a0 \u00a0 19.23\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 76.24<br \/>\n01:30:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.22\u00a0\u00a0\u00a0\u00a0\u00a0 2.57\u00a0\u00a0\u00a0\u00a0\u00a0 1.62 \u00a0 \u00a0 \u00a0 \u00a0 12.26\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 83.33<br \/>\n01:40:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.41\u00a0\u00a0\u00a0\u00a0\u00a0 2.35\u00a0\u00a0\u00a0\u00a0\u00a0 2.22 \u00a0 \u00a0 \u00a0 \u00a0 13.22\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 81.81<br \/>\n01:50:01 AM \u00a0 \u00a0 \u00a0 \u00a0 \u00a0all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.20\u00a0\u00a0\u00a0\u00a0\u00a0 2.08\u00a0\u00a0\u00a0\u00a0\u00a0 1.37 \u00a0 \u00a0 \u00a0 \u00a0 12.88\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 83.46<br \/>\n02:00:02 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.22\u00a0\u00a0\u00a0\u00a0\u00a0 1.87\u00a0\u00a0\u00a0\u00a0\u00a0 1.41 \u00a0 \u00a0 \u00a0 \u00a0 14.80\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 81.71<br \/>\n02:10:03 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.46\u00a0\u00a0\u00a0\u00a0\u00a0 1.43\u00a0\u00a0\u00a0\u00a0\u00a0 2.84 \u00a0 \u00a0 \u00a0 \u00a0 22.09\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 73.18<br \/>\n02:20:02 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.26\u00a0\u00a0\u00a0\u00a0\u00a0 1.44\u00a0\u00a0\u00a0\u00a0\u00a0 1.64 \u00a0 \u00a0 \u00a0 \u00a0 26.82\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 69.84<br \/>\n02:30:01 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.47\u00a0\u00a0\u00a0\u00a0\u00a0 2.13\u00a0\u00a0\u00a0\u00a0\u00a0 1.28 \u00a0 \u00a0 \u00a0 \u00a0 23.52\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 72.62<br \/>\n02:40:01 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.57\u00a0\u00a0\u00a0\u00a0\u00a0 1.96\u00a0\u00a0\u00a0\u00a0\u00a0 1.97 \u00a0 \u00a0 \u00a0 \u00a0 11.57\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 83.94<br \/>\n02:50:01 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.21\u00a0\u00a0\u00a0\u00a0\u00a0 1.47\u00a0\u00a0\u00a0\u00a0\u00a0 0.82 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.74\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 94.76<br \/>\n03:00:01 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.19\u00a0\u00a0\u00a0\u00a0\u00a0 1.57\u00a0\u00a0\u00a0\u00a0\u00a0 0.86 \u00a0 \u00a0 \u00a0 \u00a0 \u00a03.11\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 94.27<br \/>\n03:10:01 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.44\u00a0\u00a0\u00a0\u00a0\u00a0 1.63\u00a0\u00a0\u00a0\u00a0\u00a0 1.65 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04.53\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 91.76<br \/>\n03:20:01 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.20\u00a0\u00a0\u00a0\u00a0\u00a0 2.11\u00a0\u00a0\u00a0\u00a0\u00a0 1.03 \u00a0 \u00a0 \u00a0 \u00a0 \u00a04.05\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 92.61<br \/>\n03:30:01 AM \u00a0 \u00a0 \u00a0 \u00a0 all \u00a0 \u00a0 \u00a0 \u00a0 \u00a00.19\u00a0\u00a0\u00a0\u00a0\u00a0 1.56\u00a0\u00a0\u00a0\u00a0\u00a0 0.85 \u00a0 \u00a0 \u00a0 \u00a0 \u00a02.56\u00a0\u00a0\u00a0\u00a0\u00a0 0.00\u00a0\u00a0\u00a0\u00a0 94.84\n<\/p><\/blockquote>\n<p>Here&#8217;s an explanation of the above variables:<\/p>\n<p><strong>&#8220;%user&#8221;<\/strong> is the percentage of CPU utilization that occurred while executing at the user level (application). This field includes time spent running virtual processors.<\/p>\n<p><strong>&#8220;%usr&#8221;<\/strong> is the percentage of CPU utilization that occurred while executing at the user level (application). This field does NOT include time spent running virtual processors.<\/p>\n<p><strong>&#8220;%nice&#8221;<\/strong> is the percentage of CPU utilization that occurred while executing at the user level with nice priority.<\/p>\n<p><strong>&#8220;%system&#8221;<\/strong> is the percentage of CPU utilization that occurred while executing at the system level (kernel). This field includes time spent servicing hardware and software interrupts.<\/p>\n<p><strong>&#8220;%sys&#8221;<\/strong> is the percentage of CPU utilization that occurred while executing at the system level (kernel). Note that this field does<br \/>\nNOT include time spent servicing hardware or software interrupts.<\/p>\n<p><strong>&#8220;%iowait&#8221;<\/strong> is the percentage of time that the CPU or CPUs were idle during which the system had an outstanding disk I\/O request.<\/p>\n<p><strong>&#8220;%steal&#8221;<\/strong> is the percantage of time spent in involuntary wait by the virtual CPU or CPUs while the hypervisor was servicing another<br \/>\nvirtual processor.<\/p>\n<p><strong>&#8220;%irq&#8221;<\/strong> is the percentage of time spent by the CPU or CPUs to service hardware interrupts.<\/p>\n<p><strong>&#8220;%soft&#8221;<\/strong> is the percentage of time spent by the CPU or CPUs to service software interrupts.<\/p>\n<p><strong>&#8220;%guest&#8221;<\/strong> is the percentage of time spent by the CPU or CPUs to run a virtual processor.<\/p>\n<p><strong>&#8220;%idle&#8221;<\/strong> is the percentage of time that the CPU or CPUs were idle and the system did not have an outstanding disk I\/O request.<\/p>\n<p>If you are interested in more technical articles like this, check out the <a href=\"http:\/\/hostdime.com\/resources\">HostDime Resources Page<\/a> for more helpful tutorials!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This guide will show you how to check the current and past server load via SAR Command in Linux.<\/p>\n","protected":false},"author":13,"featured_media":5944,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-5910","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-misc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Check Current and Past Server Load via SSH\/Shell<\/title>\n<meta name=\"description\" content=\"This guide will show you how to check the current and past server load 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