{"id":7712,"date":"2023-01-10T22:36:26","date_gmt":"2023-01-10T13:36:26","guid":{"rendered":"https:\/\/lab4ict.com\/system\/?p=7712"},"modified":"2024-02-06T07:20:38","modified_gmt":"2024-02-05T22:20:38","slug":"linux%e3%81%ae%e3%83%aa%e3%82%bd%e3%83%bc%e3%82%b9%e4%bd%bf%e7%94%a8%e7%8a%b6%e6%b3%81%e3%82%92%e3%82%b3%e3%83%9e%e3%83%b3%e3%83%89%e3%81%a7%e7%a2%ba%e8%aa%8d%e3%81%99%e3%82%8b%ef%bc%81","status":"publish","type":"post","link":"https:\/\/lab4ict.com\/system\/archives\/7712","title":{"rendered":"Linux\u306e\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u72b6\u6cc1\u3092\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3059\u308b\uff01\uff08top\uff0fvmstat\uff0fsar\uff0ffree\uff0fdf\uff0fiostat\uff0fss\uff09"},"content":{"rendered":"

Linux\u306e\u7a3c\u50cd\u72b6\u6cc1\u3092\u8abf\u67fb\u3059\u308b\u3068\u304d\u306b\u4f7f\u7528\u3059\u308b\u57fa\u672c\u7684\u306a\u30b3\u30de\u30f3\u30c9\u3092\u63b2\u8f09\u3057\u307e\u3059\u3002
\n<\/p>\n

CPU\u4f7f\u7528\u7387\u306e\u9ad8\u3044\u30d7\u30ed\u30bb\u30b9\u3092\u78ba\u8a8d\u3059\u308b\uff01\uff08top\uff09<\/h2>\n

top\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068CPU\u4f7f\u7528\u7387\u306e\u9ad8\u3044\u9806\u306b\u30d7\u30ed\u30bb\u30b9\u306e\u4e00\u89a7\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002CPU\u4f7f\u7528\u7387\u306e\u9ad8\u3044\u30d7\u30ed\u30bb\u30b9\u306e\u5b58\u5728\u78ba\u8a8d\u3092\u3059\u308b\u306e\u306b\u4fbf\u5229\u3067\u3059\u3002CPU\u5168\u4f53\u306e\u4f7f\u7528\u7387\u3084\u30e1\u30e2\u30ea\u306e\u4f7f\u7528\u7387\u3082\u8868\u793a\u3055\u308c\u308b\u306e\u3067\u3001\u7a3c\u50cd\u72b6\u6cc1\u306e\u6982\u8981\u3092\u77e5\u308b\u306e\u306b\u307e\u305a\u4f7f\u7528\u3057\u305f\u3044\u30b3\u30de\u30f3\u30c9\u3067\u3059\u3002<\/p>\n

\r\n$ top\r\n\r\ntop - 22:08:35 up 49 min,  1 user,  load average: 0.71, 1.07, 0.62\r\nTasks: 230 total,   1 running, 229 sleeping,   0 stopped,   0 zombie\r\n%Cpu(s):  2.9 us,  5.7 sy,  0.0 ni, 91.4 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st\r\nMiB Mem :   1770.9 total,    421.9 free,    997.6 used,    545.6 buff\/cache\r\nMiB Swap:   2048.0 total,    951.5 free,   1096.5 used.    773.3 avail Mem \r\n\r\n    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                                          \r\n   8915 usradmin  20   0  226056   3924   3300 R  11.8   0.2   0:00.03 top                                              \r\n      1 root      20   0  173068   8944   4100 S   0.0   0.5   0:04.48 systemd                                          \r\n      2 root      20   0       0      0      0 S   0.0   0.0   0:00.00 kthreadd                                         \r\n      3 root       0 -20       0      0      0 I   0.0   0.0   0:00.00 rcu_gp                                           \r\n...\r\n<\/pre>\n
CPU\u5168\u4f53\u306e\u4f7f\u7528\u7387\u3068\u30e1\u30e2\u30ea\u4f7f\u7528\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\uff01\uff08vmstat\uff09<\/h2>\n
vmstat\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u3068CPU\u5168\u4f53\u306e\u4f7f\u7528\u7387\u3068\u30e1\u30e2\u30ea\u4f7f\u7528\u7387\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\u30da\u30fc\u30b8\u30f3\u30b0\u306e\u72b6\u6cc1\u304c\u78ba\u8a8d\u3067\u304d\u308b\u306e\u3067\u3001\u30b9\u30e9\u30c3\u30b7\u30f3\u30b0\u306b\u3088\u308b\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c0\u30a6\u30f3\u304c\u767a\u751f\u3057\u3066\u3044\u306a\u3044\u304b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\r\n$ vmstat -t 1 5\r\nprocs -----------memory---------- ---swap-- -----io---- -system-- ------cpu----- -----timestamp-----\r\n r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st                 JST\r\n 0  0 1121520 407384     16 603988   21  204  1783   338  449  750  3  2 93  2  0 2023-01-10 22:13:38\r\n 1  0 1121520 407384     16 604028    0    0     0     0  200  271  0  0 100  0  0 2023-01-10 22:13:39\r\n 0  0 1121520 407384     16 604028    0    0     0     0  256  256  0  1 99  0  0 2023-01-10 22:13:40\r\n 0  0 1121520 403128     16 604028    8    0     8     8  379  503  1  1 98  0  0 2023-01-10 22:13:41\r\n 0  0 1121520 403128     16 604028    0    0     0     0  437  455  1  1 98  0  0 2023-01-10 22:13:42\r\n<\/pre>\n
\u203b\u300c-t\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u8a08\u6e2c\u3057\u305f\u6642\u523b\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30b3\u30a2\u5358\u4f4d\u306eCPU\u4f7f\u7528\u7387\u3092\u78ba\u8a8d\u3059\u308b\uff01\uff08sar\uff09<\/h2>\n
\u30b3\u30a2\u5358\u4f4d\u306eCPU\u4f7f\u7528\u7387\u3092sar\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002sar\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u306b\u306f\u3001sysstat\u30d1\u30c3\u30b1\u30fc\u30b8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u8907\u6570\u30b3\u30a2\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001vmastat\u306e\u307f\u3067\u306a\u304fsar\u30b3\u30de\u30f3\u30c9\u3082\u4f7f\u7528\u3057\u305f\u307b\u3046\u304c\u3088\u3044\u3067\u3059\u3002\u4f8b\u3048\u3070\u30012\u30b3\u30a2\u3067CPU\u4f7f\u7528\u7387\u304c50\uff05\u306e\u5834\u5408\u306f\u30011\u3064\u306e\u30b3\u30a2\u306e\u4f7f\u7528\u7387\u304c100\uff05\u306b\u306a\u3063\u3044\u3066\u3001\u30b7\u30b9\u30c6\u30e0\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c0\u30a6\u30f3\u306b\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\r\n# sar -P ALL 1 3\r\nLinux 5.14.0-162.6.1.el9_1.0.1.x86_64 (vmsans01) \t01\/10\/2023 \t_x86_64_\t(2 CPU)\r\n\r\n10:29:39 PM     CPU     %user     %nice   %system   %iowait    %steal     %idle\r\n10:29:41 PM     all      0.00      0.00      0.00      0.00      0.00    100.00\r\n10:29:41 PM       0      0.00      0.00      0.00      0.00      0.00    100.00\r\n10:29:41 PM       1      0.00      0.00      0.00      0.00      0.00    100.00\r\n\r\n10:29:41 PM     CPU     %user     %nice   %system   %iowait    %steal     %idle\r\n10:29:42 PM     all      0.51      0.00      1.52      0.00      0.00     97.98\r\n10:29:42 PM       0      1.00      0.00      2.00      0.00      0.00     97.00\r\n10:29:42 PM       1      0.00      0.00      1.02      0.00      0.00     98.98\r\n\r\n10:29:42 PM     CPU     %user     %nice   %system   %iowait    %steal     %idle\r\n10:29:43 PM     all      0.00      0.00      0.00      0.00      0.00    100.00\r\n10:29:43 PM       0      0.00      0.00      0.00      0.00      0.00    100.00\r\n10:29:43 PM       1      0.00      0.00      0.00      0.00      0.00    100.00\r\n\r\nAverage:        CPU     %user     %nice   %system   %iowait    %steal     %idle\r\nAverage:        all      0.17      0.00      0.50      0.00      0.00     99.33\r\nAverage:          0      0.34      0.00      0.67      0.00      0.00     98.99\r\nAverage:          1      0.00      0.00      0.34      0.00      0.00     99.66\r\n<\/pre>\n
\u30e1\u30e2\u30ea\u4f7f\u7528\u7387\u3092\u78ba\u8a8d\u3059\u308b\uff01\uff08free\uff09<\/h2>\n
\u30e1\u30e2\u30ea\u4f7f\u7528\u7387\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u78ba\u8a8d\u3057\u305f\u3044\u3068\u304d\u306f\u3001free\u30b3\u30de\u30f3\u30c9\u304c\u4fbf\u5229\u3067\u3059\u3002\u5b9f\u30e1\u30e2\u30ea\u306e\u7a7a\u304d\u5bb9\u91cf\u306f\u3001\u300cavailable\u300d\u3067\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002Swap\u306e\u4f7f\u7528\u7387\u3082\u308f\u304b\u308a\u3084\u3059\u304f\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/p>\n
\r\n$ free -m\r\n               total        used        free      shared  buff\/cache   available\r\nMem:            1770         988         386          11         590         782\r\nSwap:           2047        1094         953\r\n<\/pre>\n
\u30c7\u30a3\u30b9\u30af\u4f7f\u7528\u7387\u3092\u78ba\u8a8d\u3059\u308b\uff01\uff08df\uff09<\/h2>\n
\u30c7\u30a4\u30b9\u30af\u4f7f\u7528\u7387\u306fdf\u30b3\u30de\u30f3\u30c9\u3067\u78ba\u8a8d\u3057\u307e\u3059\u3002\u554f\u984c\u767a\u751f\u6642\u306b\u306f\u3001\u307e\u305a\u4f7f\u7528\u7387\u304c100\uff05\u306b\u306a\u3063\u3066\u3044\u308b\u30d5\u30a1\u30a4\u30eb\u30b7\u30b9\u30c6\u30e0\u304c\u306a\u3044\u304b\u8abf\u3079\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002<\/p>\n
\r\n$ df -m\r\nFilesystem                   1M-blocks  Used Available Use% Mounted on\r\ndevtmpfs                             4     0         4   0% \/dev\r\ntmpfs                              886     1       886   1% \/dev\/shm\r\ntmpfs                              355     6       349   2% \/run\r\n\/dev\/mapper\/rl_vmsans03-root     17394  9794      7601  57% \/\r\n\/dev\/sda1                         1014   469       546  47% \/boot\r\ntmpfs                              178     1       178   1% \/run\/user\/42\r\ntmpfs                              178     1       178   1% \/run\/user\/1000\r\n<\/pre>\n
I\/O\u306e\u767a\u751f\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\uff01\uff08iostat\uff09<\/h2>\n
I\/O\u306e\u767a\u751f\u72b6\u6cc1\u3092\u8abf\u67fb\u3057\u305f\u3044\u5834\u5408\u306f\u3001iostat\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002iostat\u30b3\u30de\u30f3\u30c9\u3067\u3082CPU\u4f7f\u7528\u7387\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002CPU\u4f7f\u7528\u7387\u3068\u5408\u308f\u305b\u3066\u3001iostat\u30b3\u30de\u30f3\u30c9\u3067I\/O\u306e\u767a\u751f\u72b6\u6cc1\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n
\r\n$ iostat -t 1 3\r\nLinux 5.14.0-162.6.1.el9_1.0.1.x86_64 (vmsans01) \t01\/10\/2023 \t_x86_64_\t(2 CPU)\r\n\r\n01\/10\/2023 10:20:53 PM\r\navg-cpu:  %user   %nice %system %iowait  %steal   %idle\r\n           2.27    0.01    1.73    2.02    0.00   93.96\r\n\r\nDevice             tps    kB_read\/s    kB_wrtn\/s    kB_dscd\/s    kB_read    kB_wrtn    kB_dscd\r\ndm-0            204.69      2835.52       225.57         0.00   10439942     830514          0\r\ndm-1            101.00        61.84       343.34         0.00     227670    1264116          0\r\nsda             211.04      3025.62       569.53         0.00   11139876    2096917          0\r\nsr0               0.02         0.17         0.00         0.00        630          0          0\r\n...\r\n<\/pre>\n
\u203b\u300c-t\u300d\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6307\u5b9a\u3059\u308b\u3068\u3001\u8a08\u6e2c\u3057\u305f\u6642\u523b\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u63a5\u7d9a\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\uff01\uff08ss\uff09<\/h2>\n
ss\u30b3\u30de\u30f3\u30c9\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u63a5\u7d9a\u72b6\u6cc1\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002root\u6a29\u9650\u3067\u4f7f\u7528\u3059\u308b\u3068\u30dd\u30fc\u30c8\u3092\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306e\u60c5\u5831\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n
\r\n# ss -4anp\r\nNetid             State              Recv-Q             Send-Q                         Local Address:Port                            Peer Address:Port              Process                                             \r\nudp               UNCONN             0                  0                                    0.0.0.0:44833                                0.0.0.0:*                  users:(("avahi-daemon",pid=749,fd=14))             \r\nudp               UNCONN             0                  0                                    0.0.0.0:5353                                 0.0.0.0:*                  users:(("avahi-daemon",pid=749,fd=12))             \r\nudp               UNCONN             0                  0                                  127.0.0.1:323                                  0.0.0.0:*                  users:(("chronyd",pid=797,fd=5))                   \r\ntcp               LISTEN             0                  4096                                 0.0.0.0:80                                   0.0.0.0:*                  users:(("docker-proxy",pid=1696,fd=4))             \r\ntcp               LISTEN             0                  128                                  0.0.0.0:22                                   0.0.0.0:*                  users:(("sshd",pid=821,fd=3))                      \r\ntcp               LISTEN             0                  128                                127.0.0.1:631                                  0.0.0.0:*                  users:(("cupsd",pid=820,fd=7))                     \r\ntcp               ESTAB              0                  0                                 10.1.21.21:22                                  10.1.1.1:39142              users:(("sshd",pid=3545,fd=4),("sshd",pid=3515,fd=4))\r\n<\/pre>\n
\u304a\u308f\u308a\u306b<\/h2>\n
\u30b7\u30b9\u30c6\u30e0\u306e\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\u72b6\u6cc1\u3092\u77e5\u308a\u305f\u3044\u5834\u5408\u306b\u3001\u307e\u305a\u4f7f\u7528\u3057\u305f\u3044\u30b3\u30de\u30f3\u30c9\u3092\u30ea\u30b9\u30c8\u30a2\u30c3\u30d7\u3057\u307e\u3057\u305f\u3002\u554f\u984c\u767a\u751f\u6642\u306b\u306f\u3001\u307e\u305a\u672c\u7a3f\u306e\u30b3\u30de\u30f3\u30c9\u3067\u539f\u56e0\u3092\u7d5e\u308a\u8fbc\u3093\u3067\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n
\u95a2\u9023\u8a18\u4e8b<\/h2>\n
\"\u3010\u8a18\u4e8b\u4e00\u89a7\u3011Linux\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u7a3c\u50cd\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\uff01\"<\/div>
\u3010\u8a18\u4e8b\u4e00\u89a7\u3011Linux\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u7a3c\u50cd\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\uff01<\/div>
Linux\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u7a3c\u50cd\u72b6\u6cc1\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u8a18\u4e8b\u4e00\u89a7\u3067\u3059\u3002...<\/div><\/a><\/div>\n
\u95a2\u9023\u66f8\u7c4d\uff08Amazon\uff09<\/h2>\n
\"N\/A\"<\/a><\/p>\n
\n
 <\/p>\n","protected":false},"excerpt":{"rendered":"
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