{"id":52101,"date":"2024-12-03T17:52:44","date_gmt":"2024-12-03T09:52:44","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52101\/"},"modified":"2024-12-03T17:52:44","modified_gmt":"2024-12-03T09:52:44","slug":"linux%e6%9f%a5%e7%9c%8b%e5%86%85%e5%ad%98%e4%bd%bf%e7%94%a8%e6%83%85%e5%86%b5%e7%9a%84%e5%91%bd%e4%bb%a4%e6%80%8e%e4%b9%88%e7%94%a8","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52101\/","title":{"rendered":"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528"},"content":{"rendered":"

<\/b> <\/p>\n

linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528<\/h1>\n

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300alinux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n<\/p>\n

\n

\u547d\u4ee4\u6709\uff1a1\u3001free\u547d\u4ee4\uff0c\u53ef\u663e\u793a\u7cfb\u7edf\u5185\u5b58\u72b6\u6001\uff0c\u5305\u62ec\u7269\u7406\u3001\u5185\u5b58\u548c\u5171\u4eab\u5185\u5b58\u548c\u7cfb\u7edf\u7f13\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\uff1b2\u3001\u201ccat \/proc\/meminfo\u201d\u547d\u4ee4\uff0c\u53ef\u8bfb\u53d6\u201c\/proc\/meminfo\u201d\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u663e\u793a\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1b3\u3001vmstat\u547d\u4ee4\uff0c\u53ef\u7528\u6765\u76d1\u63a7CPU\u4f7f\u7528\u3001\u8fdb\u7a0b\u72b6\u6001\u7b49\u4fe1\u606f\uff1b4\u3001top\u547d\u4ee4\uff1b5\u3001htop\u547d\u4ee4\uff1b6\u3001sar\u547d\u4ee4\uff1b7\u3001smem\u547d\u4ee4\uff1b8\u3001glances\u547d\u4ee4\uff1b9\u3001ps_mem\u547d\u4ee4\u3002<\/p>\n<\/blockquote>\n

\u6211\u4eec\u7ecf\u5e38\u9700\u8981\u68c0\u67e5\u670d\u52a1\u5668\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8fdb\u7a0b\u5360\u7528\u7684\u5185\u5b58\uff0c\u907f\u514d\u53d1\u751f\u8d44\u6e90\u77ed\u7f3a\u8fdb\u800c\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n

\u5bf9\u4e8e\u7f51\u7ad9\u548cWeb\u670d\u52a1\uff0c\u5fc5\u987b\u5177\u6709\u8db3\u591f\u7684\u5185\u5b58\u624d\u80fd\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002 \u5982\u679c\u5185\u5b58\u4e0d\u8db3\uff0c\u5728\u8bf7\u6c42\u9ad8\u5cf0\u65f6\u5c31\u4f1a\u53d8\u5f97\u7f13\u6162\uff0c\u62e5\u5835\uff0c\u751a\u81f3\u670d\u52a1\u5d29\u6e83\u3002\u5f53\u7136\u684c\u9762\u7cfb\u7edf\u4e5f\u662f\u540c\u6837\u7684\u9053\u7406\u3002<\/p>\n

\u5185\u5b58\u7684\u7ba1\u7406\u548c\u4f18\u5316\uff0c\u662f Linux \u7cfb\u7edf\u6027\u80fd\u4f18\u5316\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u5185\u5b58\u8d44\u6e90\u662f\u5426\u5145\u8db3\uff0c\u4f1a\u76f4\u63a5\u5f71\u54cd\u5e94\u7528\u7cfb\u7edf\uff08\u5305\u542b\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f\uff09\u7684\u4f7f\u7528\u6027\u80fd\u3002<\/p>\n

\u4e0b\u9762\u4ecb\u7ecd\u51e0\u4e2a\u7cfb\u7edf\u547d\u4ee4\uff0c\u901a\u8fc7\u5b83\u4eec\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u770b Linux \u7cfb\u7edf\u4e2d\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u51b5\u3002<\/p>\n

1. \u4f7f\u7528 <\/strong>free<\/code> \u547d\u4ee4<\/strong><\/p>\n

free<\/code> \u547d\u4ee4\u662fLinux\u7cfb\u7edf\u4e2d\u6700\u7b80\u5355\u548c\u6700\u5e38\u7528\u7684\u5185\u5b58\u67e5\u770b\u547d\u4ee4\u3002<\/p>\n

free \u547d\u4ee4\u7528\u6765\u663e\u793a\u7cfb\u7edf\u5185\u5b58\u72b6\u6001\uff0c\u5305\u62ec\u7cfb\u7edf\u7269\u7406\u5185\u5b58\u3001\u865a\u62df\u5185\u5b58\uff08swap \u4ea4\u6362\u5206\u533a\uff09\u3001\u5171\u4eab\u5185\u5b58\u548c\u7cfb\u7edf\u7f13\u5b58\u7684\u4f7f\u7528\u60c5\u51b5<\/p>\n

\u793a\u4f8b\u5982\u4e0b:<\/p>\n

free -m<\/pre>\n
\"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe\"<\/p>\n
free -h<\/pre>\n
\"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe1\"<\/p>\n
\u5176\u4e2d\uff0c -m<\/code> \u9009\u9879\u662f\u4ee5MB\u4e3a\u5355\u4f4d\u6765\u5c55\u793a\u5185\u5b58\u4f7f\u7528\u4fe1\u606f; -h<\/code> \u9009\u9879\u5219\u662f\u4ee5\u4eba\u7c7b(human)\u53ef\u8bfb\u7684\u5355\u4f4d\u6765\u5c55\u793a\u3002<\/p>\n
\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d, Mem:<\/code> \u8fd9\u4e00\u884c\uff1a<\/p>\n
    \n
  • \n
    total<\/code> \u8868\u793a\u603b\u5171\u6709 7822MB<\/code> \u7684\u7269\u7406\u5185\u5b58(RAM)\uff0c\u53737.6G<\/code>\u3002<\/p>\n<\/li>\n
  • \n
    used<\/code> \u8868\u793a\u7269\u7406\u5185\u5b58\u7684\u4f7f\u7528\u91cf\uff0c\u5927\u7ea6\u662f 322M<\/code>\u3002<\/p>\n<\/li>\n
  • \n
    free<\/code> \u8868\u793a\u7a7a\u95f2\u5185\u5b58;<\/p>\n<\/li>\n
  • \n
    shared<\/code> \u8868\u793a\u5171\u4eab\u5185\u5b58?;<\/p>\n<\/li>\n
  • \n
    buff\/cache<\/code> \u8868\u793a\u7f13\u5b58\u548c\u7f13\u51b2\u5185\u5b58\u91cf; Linux \u7cfb\u7edf\u4f1a\u5c06\u5f88\u591a\u4e1c\u897f\u7f13\u5b58\u8d77\u6765\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u8fd9\u90e8\u5206\u5185\u5b58\u53ef\u4ee5\u5728\u5fc5\u8981\u65f6\u8fdb\u884c\u91ca\u653e\uff0c\u7ed9\u5176\u4ed6\u7a0b\u5e8f\u4f7f\u7528\u3002<\/p>\n<\/li>\n
  • \n
    available<\/code> \u8868\u793a\u53ef\u7528\u5185\u5b58;<\/p>\n<\/li>\n<\/ul>\n
    \u8f93\u51fa\u7ed3\u679c\u5f88\u5bb9\u6613\u7406\u89e3\u3002 Swap<\/code> \u8fd9\u4e00\u884c\u8868\u793a\u4ea4\u6362\u5185\u5b58\uff0c\u4ece\u793a\u4f8b\u4e2d\u7684\u6570\u5b57\u53ef\u4ee5\u770b\u5230\uff0c\u57fa\u672c\u4e0a\u6ca1\u4f7f\u7528\u5230\u4ea4\u6362\u5185\u5b58\u3002<\/p>\n
    2. \u67e5\u770b \/proc\/meminfo<\/code><\/strong><\/p>\n
    \u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u8bfb\u53d6 \/proc\/meminfo<\/code> \u6587\u4ef6\u3002 \u6211\u4eec\u77e5\u9053, \/proc<\/code> \u76ee\u5f55\u4e0b\u90fd\u662f\u865a\u62df\u6587\u4ef6\uff0c\u5305\u542b\u5185\u6838\u4ee5\u53ca\u64cd\u4f5c\u7cfb\u7edf\u76f8\u5173\u7684\u52a8\u6001\u4fe1\u606f\u3002<\/p>\n
    $ cat \/proc\/meminfo\n\nMemTotal:        8010408 kB\nMemFree:          323424 kB\nMemAvailable:    6956280 kB\nBuffers:          719620 kB\nCached:          5817644 kB\nSwapCached:          132 kB\nActive:          5415824 kB\nInactive:        1369528 kB\nActive(anon):     385660 kB\nInactive(anon):   249292 kB\nActive(file):    5030164 kB\nInactive(file):  1120236 kB\nUnevictable:           0 kB\nMlocked:               0 kB\nSwapTotal:       4194304 kB\nSwapFree:        4193580 kB\nDirty:                60 kB\nWriteback:             0 kB\nAnonPages:        247888 kB\nMapped:            61728 kB\nShmem:            386864 kB\nSlab:             818320 kB\nSReclaimable:     788436 kB\nSUnreclaim:        29884 kB\nKernelStack:        2848 kB\nPageTables:         5780 kB\nNFS_Unstable:          0 kB\nBounce:                0 kB\nWritebackTmp:          0 kB\nCommitLimit:     8199508 kB\nCommitted_AS:     942596 kB\nVmallocTotal:   34359738367 kB\nVmallocUsed:       22528 kB\nVmallocChunk:   34359707388 kB\nHardwareCorrupted:     0 kB\nAnonHugePages:     88064 kB\nHugePages_Total:       0\nHugePages_Free:        0\nHugePages_Rsvd:        0\nHugePages_Surp:        0\nHugepagesize:       2048 kB\nDirectMap4k:      176000 kB\nDirectMap2M:     6115328 kB\nDirectMap1G:     4194304 kB<\/pre>\n
    \u91cd\u70b9\u5173\u6ce8\u8fd9\u4e9b\u6570\u636e:<\/p>\n
      \n
    • \n
      MemTotal<\/code>, \u603b\u5185\u5b58<\/p>\n<\/li>\n
    • \n
      MemFree<\/code>, \u7a7a\u95f2\u5185\u5b58<\/p>\n<\/li>\n
    • \n
      MemAvailable<\/code>, \u53ef\u7528\u5185\u5b58<\/p>\n<\/li>\n
    • \n
      Buffers<\/code>, \u7f13\u51b2<\/p>\n<\/li>\n
    • \n
      Cached<\/code>, \u7f13\u5b58<\/p>\n<\/li>\n
    • \n
      SwapTotal<\/code>, \u4ea4\u6362\u5185\u5b58<\/p>\n<\/li>\n
    • \n
      SwapFree<\/code>, \u7a7a\u95f2\u4ea4\u6362\u5185\u5b58<\/p>\n<\/li>\n<\/ul>\n
      \u63d0\u4f9b\u7684\u4fe1\u606f\u548c free<\/code> \u547d\u4ee4\u770b\u5230\u7684\u5dee\u4e0d\u591a\u3002<\/p>\n
      3. \u4f7f\u7528 vmstat<\/code> \u547d\u4ee4<\/strong><\/p>\n
      vmstat\u547d\u4ee4\uff0c\u662f Virtual Meomory Statistics\uff08\u865a\u62df\u5185\u5b58\u7edf\u8ba1\uff09\u7684\u7f29\u5199\uff0c\u53ef\u7528\u6765\u76d1\u63a7 CPU \u4f7f\u7528\u3001\u8fdb\u7a0b\u72b6\u6001\u3001\u5185\u5b58\u4f7f\u7528\u3001\u865a\u62df\u5185\u5b58\u4f7f\u7528\u3001\u786c\u76d8\u8f93\u5165\/\u8f93\u51fa\u72b6\u6001\u7b49\u4fe1\u606f\u3002<\/p>\n
      \u4f7f\u7528 vmstat -s<\/code> \u547d\u4ee4\u548c\u9009\u9879\uff0c\u53ef\u4ee5\u5bf9\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u8fdb\u884c\u7edf\u8ba1\uff0c \u7c7b\u4f3c\u4e8e \/proc\/meminfo<\/code>\u3002<\/p>\n
      \u793a\u4f8b\u5982\u4e0b:<\/p>\n
      vmstat -s<\/pre>\n
      \"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe2\"<\/p>\n
      \u6700\u524d\u9762\u7684\u51e0\u884c\uff0c\u663e\u793a\u4e86\u5185\u5b58\u603b\u91cf\uff0c\u4f7f\u7528\u91cf\uff0c\u4ee5\u53ca\u7a7a\u95f2\u5185\u5b58\u7b49\u4fe1\u606f\u3002<\/p>\n
      4. \u4f7f\u7528 top<\/code> \u547d\u4ee4<\/strong><\/p>\n
      top<\/code> \u547d\u4ee4\u4e00\u822c\u7528\u4e8e\u67e5\u770b\u8fdb\u7a0b\u7684CPU\u548c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1b\u5f53\u7136\u4e5f\u4f1a\u62a5\u544a\u5185\u5b58\u603b\u91cf\uff0c\u4ee5\u53ca\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u6240\u4ee5\u53ef\u7528\u6765\u76d1\u63a7\u7269\u7406\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3002
       \u5728\u8f93\u51fa\u4fe1\u606f\u7684\u9876\u90e8\u5c55\u793a\u4e86\u6c47\u603b\u4fe1\u606f\u3002<\/p>\n
      \u793a\u4f8b\u8f93\u51fa:<\/p>\n
      top - 15:20:30 up  6:57,  5 users,  load average: 0.64, 0.44, 0.33\nTasks: 265 total,   1 running, 263 sleeping,   0 stopped,   1 zombie\n%Cpu(s):  7.8 us,  2.4 sy,  0.0 ni, 88.9 id,  0.9 wa,  0.0 hi,  0.0 si,  0.0 st\nKiB Mem:   8167848 total,  6642360 used,  1525488 free,  1026876 buffers\nKiB Swap:  1998844 total,        0 used,  1998844 free,  2138148 cached\n\n  PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND                                                                                 \n 2986 enlighte  20   0  584m  42m  26m S  14.3  0.5   0:44.27 yakuake                                                                                 \n 1305 root      20   0  448m  68m  39m S   5.0  0.9   3:33.98 Xorg                                                                                    \n 7701 enlighte  20   0  424m  17m  10m S   4.0  0.2   0:00.12 kio_thumbnail<\/pre>\n
      \u5404\u79cd\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u7684\u53c2\u6570\u7565\u6709\u4e0d\u540c\uff0c\u4e00\u822c\u6765\u8bf4\u90fd\u53ef\u4ee5\u6839\u636eCPU\u548c\u5185\u5b58\u6765\u6392\u5e8f\u3002<\/p>\n
      \u4f8b\u5982:<\/p>\n
      # CentOS\ntop -o %MEM\ntop -o %CPU\n\n# mac\ntop -o mem\ntop -o cpu<\/pre>\n
      \u78b0\u5230\u4e0d\u6e05\u695a\u7684\uff0c\u8bf7\u4f7f\u7528 top -h<\/code> \u67e5\u770b\u5e2e\u52a9\u4fe1\u606f\u3002<\/p>\n
      \u91cd\u70b9\u5173\u6ce8\u9876\u90e8\u7684 KiB Mem<\/code> \u548c KiB Swap<\/code> \u8fd9\u4e24\u884c\u3002 \u8868\u793a\u5185\u5b58\u7684\u603b\u91cf\u3001\u4f7f\u7528\u91cf\uff0c\u4ee5\u53ca\u53ef\u7528\u91cf\u3002
       buffer \u548c cache \u90e8\u5206\uff0c\u548c free<\/code> \u547d\u4ee4\u5c55\u793a\u7684\u5dee\u4e0d\u591a\u3002<\/p>\n
      5. \u4f7f\u7528 htop<\/code> \u547d\u4ee4<\/strong><\/p>\n
      htop \u547d\u4ee4\u662f Linux\/Unix \u7cfb\u7edf\u7684\u4ea4\u4e92\u5f0f\u8fdb\u7a0b\u67e5\u770b\u5668\u3002\u5b83\u662f\u4e00\u4e2a\u6587\u672c\u6a21\u5f0f\u5e94\u7528\u7a0b\u5e8f\uff0c\u9700\u8981ncurses\u5e93\uff0c\u5b83\u662f\u7531Hisham\u5f00\u53d1\u7684\u3002\u5b83\u88ab\u8bbe\u8ba1\u4e3a\u9876\u7ea7\u547d\u4ee4\u7684\u66ff\u4ee3\u65b9\u6cd5\u3002\u8fd9\u7c7b\u4f3c\u4e8e top \u547d\u4ee4\uff0c\u4f46\u5141\u8bb8\u60a8\u5782\u76f4\u548c\u6c34\u5e73\u6eda\u52a8\u4ee5\u67e5\u770b\u8fd0\u884c\u7cfb\u7edf\u7684\u6240\u6709\u8fdb\u7a0b\u3002htop\u5e26\u6709Visual Colors\uff0c\u5b83\u5177\u6709\u989d\u5916\u7684\u597d\u5904\uff0c\u5e76\u4e14\u5728\u8ddf\u8e2a\u7cfb\u7edf\u6027\u80fd\u65f6\u975e\u5e38\u660e\u663e\u3002\u53ef\u4ee5\u81ea\u7531\u5730\u6267\u884c\u4e0e\u8fdb\u7a0b\u76f8\u5173\u7684\u4efb\u4f55\u4efb\u52a1\uff0c\u4f8b\u5982\u8fdb\u7a0b\u7ec8\u6b62\u548c\u91cd\u65b0\u8bbe\u7f6e\uff0c\u800c\u65e0\u9700\u8f93\u5165\u5176PID\u3002<\/p>\n
      \u4e0e top<\/code> \u547d\u4ee4\u7c7b\u4f3c\uff0c \u4f46 htop<\/code> \u8fd8\u5c55\u793a\u4e86\u5176\u4ed6\u7684\u5404\u79cd\u4fe1\u606f, \u800c\u4e14\u652f\u6301\u5f69\u8272\u663e\u793a\u3002<\/p>\n
      htop<\/pre>\n
      \"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe3\"<\/p>\n
      \u9876\u90e8\u7684\u6d88\u606f\u663e\u793a\u4e86CPU\u4f7f\u7528\u7387, \u4ee5\u53caRAM\u548c\u4ea4\u6362\u5185\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\u3002<\/p>\n
      \u5982\u679c\u6ca1\u5b89\u88c5\uff0c\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u7684\u547d\u4ee4:<\/p>\n
      yum install htop -y<\/pre>\n
      6. \u4f7f\u7528sar<\/code> \u547d\u4ee4<\/strong><\/p>\n
      sar \u547d\u4ee4\u4e5f\u53ef\u4ee5\u7528\u6765\u76d1\u63a7 Linux \u7684\u5185\u5b58\u4f7f\u7528\u72b6\u51b5\uff0c\u901a\u8fc7\u201csar -r\u201d\u7ec4\u5408\u53ef\u4ee5\u67e5\u770b\u7cfb\u7edf\u5185\u5b58\u548c\u4ea4\u6362\u7a7a\u95f4\u7684\u4f7f\u7528\u7387\u3002<\/p>\n
      \n
      sar \u547d\u4ee4\u5f88\u5f3a\u5927\uff0c\u662f\u5206\u6790\u7cfb\u7edf\u6027\u80fd\u7684\u91cd\u8981\u5de5\u5177\u4e4b\u4e00\uff0c\u901a\u8fc7\u8be5\u547d\u4ee4\u53ef\u4ee5\u5168\u9762\u5730\u83b7\u53d6\u7cfb\u7edf\u7684 CPU\u3001\u8fd0\u884c\u961f\u5217\u3001\u78c1\u76d8\u8bfb\u5199\uff08I\/O\uff09\u3001\u5206\u533a\uff08\u4ea4\u6362\u533a\uff09\u3001\u5185\u5b58\u3001CPU \u4e2d\u65ad\u548c\u7f51\u7edc\u7b49\u6027\u80fd\u6570\u636e\u3002<\/p>\n<\/blockquote>\n
      \u5982\u4e0b\u662f\u6267\u884c\u201csar -r\u201d\u547d\u4ee4\u7684\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n
      sar -r 2 3<\/pre>\n
      \"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe4\"<\/p>\n
      \u6b64\u8f93\u51fa\u7ed3\u679c\u4e2d\uff0c\u5404\u4e2a\u53c2\u6570\u8868\u793a\u7684\u542b\u4e49\u5982\u4e0b\uff1a<\/p>\n
        \n
      • \n
        kbmemfree\uff1a\u8868\u793a\u7a7a\u95f2\u7684\u7269\u7406\u5185\u5b58\u7684\u5927\u5c0f\uff1b<\/p>\n<\/li>\n
      • \n
        kbmemeused\uff1a\u8868\u793a\u5df2\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u7684\u5927\u5c0f\uff1b<\/p>\n<\/li>\n
      • \n
        %memused\uff1a\u8868\u793a\u5df2\u4f7f\u7528\u5185\u5b58\u5360\u603b\u5185\u5b58\u5927\u5c0f\u7684\u767e\u5206\u6bd4\uff1b<\/p>\n<\/li>\n
      • \n
        kbbuffers\uff1a\u8868\u793a\u7f13\u51b2\u533a\u6240\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u7684\u5927\u5c0f\uff1b<\/p>\n<\/li>\n
      • \n
        kbcached\uff1a\u8868\u793a\u544a\u8bc9\u7f13\u5b58\u6240\u4f7f\u7528\u7684\u7269\u7406\u5185\u5b58\u7684\u5927\u5c0f\uff1b<\/p>\n<\/li>\n
      • \n
        kbcommit \u548c %commit\uff1a\u5206\u522b\u8868\u793a\u5f53\u524d\u7cfb\u7edf\u4e2d\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684\u5185\u5b58\u5927\u5c0f\u548c\u767e\u5206\u6bd4\uff1b<\/p>\n<\/li>\n<\/ul>\n
        \u76f8\u6bd4 free \u547d\u4ee4\uff0csar \u547d\u4ee4\u7684\u8f93\u51fa\u4fe1\u606f\u66f4\u52a0\u4eba\u6027\u5316\uff0c\u4e0d\u4ec5\u7ed9\u51fa\u4e86\u5185\u5b58\u4f7f\u7528\u91cf\uff0c\u8fd8\u7ed9\u51fa\u4e86\u5185\u5b58\u4f7f\u7528\u7684\u767e\u5206\u6bd4\u4ee5\u53ca\u7edf\u8ba1\u7684\u5e73\u5747\u503c\u3002\u6bd4\u5982\u8bf4\uff0c\u4ec5\u901a\u8fc7 %commit \u4e00\u9879\u5c31\u53ef\u4ee5\u5f97\u77e5\uff0c\u5f53\u524d\u7cfb\u7edf\u4e2d\u7684\u5185\u5b58\u8d44\u6e90\u5145\u8db3\u3002<\/p>\n
        7.\u4f7f\u7528 smem<\/code> \u547d\u4ee4<\/strong><\/p>\n
        smem\u662f\u4e00\u4e2a\u5de5\u5177\uff0c\u53ef\u4ee5\u63d0\u4f9b\u5927\u91cfLinux\u7cfb\u7edf\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u62a5\u544a\u3002\u4e0e\u73b0\u6709\u5de5\u5177\u4e0d\u540c\uff0csmem \u53ef\u4ee5\u62a5\u544a\u6bd4\u4f8b\u96c6\u5927\u5c0f \uff08PSS\uff09\u3001\u552f\u4e00\u96c6\u5927\u5c0f \uff08USS\uff09 \u548c\u5e38\u9a7b\u96c6\u5927\u5c0f \uff08RSS\uff09\u3002\u6210\u6bd4\u4f8b\u96c6\u5927\u5c0f \uff08PSS\uff09\uff1a\u6307\u865a\u62df\u5185\u5b58\u7cfb\u7edf\u4e2d\u5e93\u548c\u5e94\u7528\u7a0b\u5e8f\u4f7f\u7528\u7684\u5185\u5b58\u91cf\u3002\u552f\u4e00\u96c6\u5927\u5c0f \uff08USS\uff09 \uff1a\u672a\u5171\u4eab\u7684\u5185\u5b58\u62a5\u544a\u4e3a USS\uff08\u552f\u4e00\u96c6\u5927\u5c0f\uff09\u3002\u9a7b\u7559\u96c6\u5927\u5c0f \uff08RSS\uff09\uff1a\u7269\u7406\u5185\u5b58\uff08\u901a\u5e38\u5728\u591a\u4e2a\u5e94\u7528\u7a0b\u5e8f\u4e4b\u95f4\u5171\u4eab\uff09\u4f7f\u7528\u60c5\u51b5\u7684\u6807\u51c6\u5ea6\u91cf\uff08\u79f0\u4e3a\u9a7b\u7559\u96c6\u5927\u5c0f \uff08RSS\uff09\uff09\u5c06\u5927\u5927\u9ad8\u4f30\u5185\u5b58\u4f7f\u7528\u91cf\u3002\u6ce8\uff1a\u5982\u679c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u63d0\u793a\u672a\u627e\u5230\uff0c\u8bf7\u6267\u884c\u201cyum install smem\u201d\u5b89\u88c5<\/p>\n
        smem -tk<\/pre>\n
        \"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe5\"<\/p>\n
        8.\u4f7f\u7528 glances<\/code> \u547d\u4ee4<\/strong><\/p>\n
        glances\u662f\u7528Python\u7f16\u5199\u7684\u8de8\u5e73\u53f0\u7cfb\u7edf\u76d1\u63a7\u5de5\u5177\u3002\u53ef\u4ee5\u67e5\u770b\u6240\u6709\u4fe1\u606f\uff0c\u4f8b\u5982CPU\u4f7f\u7528\u60c5\u51b5\uff0c\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\uff0c\u7f51\u7edc\u63a5\u53e3\uff0c\u78c1\u76d8I \/ O\uff0cRaid\uff0c\u4f20\u611f\u5668\uff0c\u6587\u4ef6\u7cfb\u7edf\u4fe1\u606f\uff0cDocker\uff0c\u7cfb\u7edf\u4fe1\u606f\uff0c\u6b63\u5e38\u8fd0\u884c\u65f6\u95f4\u7b49.<\/p>\n
        glances<\/pre>\n
        \"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe6\"\"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe7\"<\/p>\n
        9.\u4f7f\u7528 ps_mem<\/code> \u547d\u4ee4<\/strong><\/p>\n
        ps_mem\u662f\u4e00\u4e2a\u7b80\u5355\u7684Python\u811a\u672c\uff0c\u5141\u8bb8\u60a8\u51c6\u786e\u5730\u83b7\u53d6Linux\u4e2d\u7a0b\u5e8f\u7684\u6838\u5fc3\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u3002\u8fd9\u53ef\u4ee5\u786e\u5b9a\u6bcf\u4e2a\u7a0b\u5e8f\uff08\u800c\u4e0d\u662f\u6bcf\u4e2a\u8fdb\u7a0b\uff09\u4f7f\u7528\u591a\u5c11 RAM\u3002\u5b83\u8ba1\u7b97\u6bcf\u4e2a\u7a0b\u5e8f\u4f7f\u7528\u7684\u5185\u5b58\u603b\u91cf\uff0c\u603b\u8ba1=\u603b\u548c\uff08\u7a0b\u5e8f\u8fdb\u7a0b\u7684\u4e13\u7528RAM\uff09+\u603b\u548c\uff08\u7a0b\u5e8f\u8fdb\u7a0b\u7684\u5171\u4eabRAM\uff09\u3002\u8ba1\u7b97\u5171\u4eab RAM \u5b58\u5728\u95ee\u9898\uff0c\u5e76\u4e14\u8be5\u5de5\u5177\u4f1a\u81ea\u52a8\u4e3a\u6b63\u5728\u8fd0\u884c\u7684\u5185\u6838\u9009\u62e9\u6700\u51c6\u786e\u7684\u65b9\u6cd5\u3002<\/p>\n
        ps_mem<\/pre>\n
        \"linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u63d2\u56fe8\"<\/p>\n
        \u6ce8\uff1a\u5982\u679c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u63d0\u793a\u672a\u53d1\u73b0\uff0c\u8bf7\u6267\u884c\u201cyum install ps_mem<\/code>\u201d\u5b89\u88c5<\/p>\n
        \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
        linux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528 \u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300alinux\u67e5\u770b\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\u7684\u547d\u4ee4\u600e\u4e48\u7528\u300b\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~ \u547d\u4ee4\u6709\uff1a1\u3001free\u547d\u4ee4\uff0c\u53ef\u663e\u793a\u7cfb\u7edf\u5185\u5b58\u72b6\u6001\uff0c\u5305\u62ec\u7269\u7406\u3001\u5185\u5b58\u548c\u5171\u4eab\u5185\u5b58\u548c\u7cfb\u7edf\u7f13\u5b58\u7684\u4f7f\u7528\u60c5\u51b5\uff1b2\u3001\u201ccat \/proc\/meminfo\u201d\u547d\u4ee4\uff0c\u53ef\u8bfb\u53d6\u201c\/proc\/meminfo\u201d\u6587\u4ef6\u7684\u5185\u5bb9\uff0c\u663e\u793a\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff1b3\u3001vmstat\u547d\u4ee4\uff0c\u53ef\u7528\u6765\u76d1\u63a7CPU\u4f7f\u7528\u3001\u8fdb\u7a0b\u72b6\u6001\u7b49\u4fe1\u606f\uff1b4\u3001top\u547d\u4ee4\uff1b5\u3001htop\u547d\u4ee4\uff1b6\u3001sar\u547d\u4ee4\uff1b7\u3001smem\u547d\u4ee4\uff1b8\u3001glances\u547d\u4ee4\uff1b9\u3001ps_mem\u547d\u4ee4\u3002 \u6211\u4eec\u7ecf\u5e38\u9700\u8981\u68c0\u67e5\u670d\u52a1\u5668\u7684\u5185\u5b58\u4f7f\u7528\u60c5\u51b5\uff0c\u4ee5\u53ca\u6bcf\u4e2a\u8fdb\u7a0b\u5360\u7528\u7684\u5185\u5b58\uff0c\u907f\u514d\u53d1\u751f\u8d44\u6e90\u77ed\u7f3a\u8fdb\u800c\u5f71\u54cd\u7528\u6237\u4f53\u9a8c\u3002 \u5bf9\u4e8e\u7f51\u7ad9\u548cWeb\u670d\u52a1\uff0c\u5fc5\u987b\u5177\u6709\u8db3\u591f\u7684\u5185\u5b58\u624d\u80fd\u5904\u7406\u5ba2\u6237\u7aef\u8bf7\u6c42\u3002 \u5982\u679c\u5185\u5b58\u4e0d\u8db3\uff0c\u5728\u8bf7\u6c42\u9ad8\u5cf0\u65f6\u5c31\u4f1a\u53d8\u5f97\u7f13\u6162\uff0c\u62e5\u5835\uff0c\u751a\u81f3\u670d\u52a1\u5d29\u6e83\u3002\u5f53\u7136\u684c\u9762\u7cfb\u7edf\u4e5f\u662f\u540c\u6837\u7684\u9053\u7406\u3002 \u5185\u5b58\u7684\u7ba1\u7406\u548c\u4f18\u5316\uff0c\u662f Linux \u7cfb\u7edf\u6027\u80fd\u4f18\u5316\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206\uff0c\u6362\u53e5\u8bdd\u8bf4\uff0c\u5185\u5b58\u8d44\u6e90\u662f\u5426\u5145\u8db3\uff0c\u4f1a\u76f4\u63a5\u5f71\u54cd\u5e94\u7528\u7cfb\u7edf\uff08\u5305\u542b\u64cd\u4f5c\u7cfb\u7edf\u548c\u5e94\u7528\u7a0b\u5e8f\uff09\u7684\u4f7f\u7528\u6027\u80fd\u3002 \u4e0b\u9762\u4ecb\u7ecd\u51e0\u4e2a\u7cfb\u7edf\u547d\u4ee4\uff0c\u901a\u8fc7\u5b83\u4eec\uff0c\u53ef\u4ee5\u5feb\u901f\u67e5\u770b Linux \u7cfb\u7edf\u4e2d\u5185\u5b58\u7684\u4f7f\u7528\u72b6\u51b5\u3002 1. \u4f7f\u7528 free \u547d\u4ee4 free \u547d\u4ee4\u662fLinux\u7cfb\u7edf\u4e2d\u6700\u7b80\u5355\u548c\u6700\u5e38\u7528\u7684\u5185\u5b58\u67e5\u770b\u547d\u4ee4\u3002 free \u547d\u4ee4\u7528\u6765\u663e\u793a\u7cfb\u7edf\u5185\u5b58\u72b6\u6001\uff0c\u5305\u62ec\u7cfb\u7edf\u7269\u7406\u5185\u5b58\u3001\u865a\u62df\u5185\u5b58\uff08swap \u4ea4\u6362\u5206\u533a\uff09\u3001\u5171\u4eab\u5185\u5b58\u548c\u7cfb\u7edf\u7f13\u5b58\u7684\u4f7f\u7528\u60c5\u51b5 \u793a\u4f8b\u5982\u4e0b: free -m free -h \u5176\u4e2d\uff0c -m \u9009\u9879\u662f\u4ee5MB\u4e3a\u5355\u4f4d\u6765\u5c55\u793a\u5185\u5b58\u4f7f\u7528\u4fe1\u606f; -h \u9009\u9879\u5219\u662f\u4ee5\u4eba\u7c7b(human)\u53ef\u8bfb\u7684\u5355\u4f4d\u6765\u5c55\u793a\u3002 \u4e0a\u9762\u7684\u793a\u4f8b\u4e2d, Mem: \u8fd9\u4e00\u884c\uff1a total \u8868\u793a\u603b\u5171\u6709 7822MB \u7684\u7269\u7406\u5185\u5b58(RAM)\uff0c\u53737.6G\u3002 used \u8868\u793a\u7269\u7406\u5185\u5b58\u7684\u4f7f\u7528\u91cf\uff0c\u5927\u7ea6\u662f 322M\u3002 free \u8868\u793a\u7a7a\u95f2\u5185\u5b58; shared \u8868\u793a\u5171\u4eab\u5185\u5b58?; buff\/cache \u8868\u793a\u7f13\u5b58\u548c\u7f13\u51b2\u5185\u5b58\u91cf; Linux \u7cfb\u7edf\u4f1a\u5c06\u5f88\u591a\u4e1c\u897f\u7f13\u5b58\u8d77\u6765\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u8fd9\u90e8\u5206\u5185\u5b58\u53ef\u4ee5\u5728\u5fc5\u8981\u65f6\u8fdb\u884c\u91ca\u653e\uff0c\u7ed9\u5176\u4ed6\u7a0b\u5e8f\u4f7f\u7528\u3002 available \u8868\u793a\u53ef\u7528\u5185\u5b58; \u8f93\u51fa\u7ed3\u679c\u5f88\u5bb9\u6613\u7406\u89e3\u3002 Swap \u8fd9\u4e00\u884c\u8868\u793a\u4ea4\u6362\u5185\u5b58\uff0c\u4ece\u793a\u4f8b\u4e2d\u7684\u6570\u5b57\u53ef\u4ee5\u770b\u5230\uff0c\u57fa\u672c\u4e0a\u6ca1\u4f7f\u7528\u5230\u4ea4\u6362\u5185\u5b58\u3002 2. \u67e5\u770b […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-52101","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=52101"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52101\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}