{"id":52459,"date":"2024-12-03T08:19:12","date_gmt":"2024-12-03T00:19:12","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52459\/"},"modified":"2024-12-03T08:19:12","modified_gmt":"2024-12-03T00:19:12","slug":"%e5%a6%82%e4%bd%95%e6%9f%a5%e7%9c%8b-linux-%e5%bd%93%e5%89%8d%e7%bc%93%e5%ad%98%e4%ba%86%e5%93%aa%e4%ba%9b%e5%a4%a7%e6%96%87%e4%bb%b6%ef%bc%9f-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52459\/","title":{"rendered":"\u5982\u4f55\u67e5\u770b Linux \u5f53\u524d\u7f13\u5b58\u4e86\u54ea\u4e9b\u5927\u6587\u4ef6\uff1f"},"content":{"rendered":"

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

\u5982\u4f55\u67e5\u770b Linux \u5f53\u524d\u7f13\u5b58\u4e86\u54ea\u4e9b\u5927\u6587\u4ef6\uff1f<\/h1>\n

\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u67e5\u770b Linux \u5f53\u524d\u7f13\u5b58\u4e86\u54ea\u4e9b\u5927\u6587\u4ef6\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n

\"\u5982\u4f55\u67e5\u770b<\/p>\n

Linux \u7528\u6237\u53ef\u80fd\u7ecf\u5e38\u9047\u5230\u7684\u4e00\u4e2a\u95ee\u9898\u662f\uff0c\u673a\u5668\u6709 16GB \u5185\u5b58\u4e4b\u591a\uff0c\u8fd0\u884c\u7684\u8fdb\u7a0b\u4e5f\u4e0d\u591a\uff0c\u4f46\u662f\u5269\u4e0b\u7684 free \u5185\u5b58\u5e76\u4e0d\u591a\uff0c\u5927\u90e8\u5206\u90fd\u88ab buff \u548c cache \u5360\u7528\u4e86\uff08\u6bd4\u5982\u4e0b\u9762\u6211\u7684 PC\uff09\u3002<\/p>\n

$ free -h\n              total        used        free      shared  buff\/cache   available\nMem:            15G        6.4G        2.3G        1.1G        6.9G        7.7G\nSwap:          975M        268K        975M\n<\/pre>\n
\u867d\u7136\u5bf9\u4e8e Linux \u7684\u5185\u5b58\u5206\u914d\u673a\u5236\u6765\u8bf4\uff0c\u8fd9\u79cd\u88ab buff \u548c cache \u5360\u7528\u7684\u5185\u5b58\u5728\u7cfb\u7edf\u9700\u8981\u65f6\u4f1a\u53ca\u65f6\u91ca\u653e\u51fa\u6765\uff0c\u4f46\u662f\u6709\u65f6\u5019\u6211\u4eec\u60f3\u77e5\u9053\u5230\u5e95 cache \u4e86\u4e9b\u4ec0\u4e48\u5374\u6ca1\u6709\u4e00\u4e2a\u597d\u7684\u529e\u6cd5\u3002<\/p>\n
\u524d\u51e0\u5929\u770b\u5230\u6709\u4e2a\u4eba\u7528 go \u5199\u4e86\u4e2a pcstat\uff0c\u53ef\u4ee5\u67e5\u770b\u67d0\u4e2a\u6587\u4ef6\u662f\u5426\u88ab\u7f13\u5b58\uff08\u4f5c\u8005\u7684\u76ee\u7684\u662f\u6570\u636e\u5e93\u8c03\u4f18\uff09\uff0c\u4e5f\u53ef\u4ee5\u6839\u636e\u8fdb\u7a0b\u7684 PID \u6765\u67e5\u770b\u90fd\u7f13\u5b58\u4e86\u54ea\u4e9b\u6587\u4ef6\uff0c\u4e0d\u8fc7\u8be5\u5de5\u5177\u4e0d\u80fd\u67e5\u770b\u6574\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u90fd cache \u4e86\u54ea\u4e9b\u6587\u4ef6\u3002<\/p>\n
\u56e0\u6b64\uff0c\u6211\u57fa\u4e8e pcstat \u5199\u4e86\u4e2ahcache\uff0c\u589e\u52a0\u4e86\u67e5\u770b\u5f53\u524d\u64cd\u4f5c\u7cfb\u7edf\u6240 cache \u7684\u524d\u82e5\u5e72\u4e2a\u6587\u4ef6\u7684\u7279\u6027\u3002\u5982\u679c\u6709\u4ec0\u4e48\u5efa\u8bae\u7684\u8bdd\u4e5f\u6b22\u8fce\u53cd\u9988\u7ed9\u6211\uff1ahubottle@gmail.com \u3002<\/p>\n
\u4f7f\u7528\u65b9\u6cd5\u6bd4\u8f83\u7b80\u5355\uff1a<\/p>\n
$ sudo hcache --top 10\n[sudo] password for silenceshell:\n+----------------------------------------------------------------------------------+----------------+------------+-----------+---------+\n| Name                                                                             | Size (bytes)   | Pages      | Cached    | Percent |\n|----------------------------------------------------------------------------------+----------------+------------+-----------+---------|\n| \/opt\/google\/chrome\/chrome                                                        | 114911208      | 28055      | 25457     | 090.740 |\n| \/usr\/share\/code\/code                                                             | 67688720       | 16526      | 12274     | 074.271 |\n| \/home\/silenceshell\/Software\/pycharm-community-2016.2\/lib\/pycharm.jar                   | 95177431       | 23237      | 11325     | 048.737 |\n| \/opt\/atom\/atom                                                                   | 62641344       | 15294      | 10578     | 069.164 |\n| \/usr\/bin\/dockerd                                                                 | 39121168       | 9552       | 7103      | 074.361 |\n| \/home\/silenceshell\/Software\/pycharm-community-2016.2\/jre\/jre\/lib\/amd64\/libjfxwebkit.so | 57455824       | 14028      | 6625      | 047.227 |\n| \/usr\/lib\/x86_64-linux-gnu\/libQtWebKit.so.4.10.2                                  | 36462184       | 8902       | 6316      | 070.950 |\n| \/usr\/lib\/beyondcompare\/BCompare                                                  | 30640160       | 7481       | 5505      | 073.586 |\n| \/usr\/bin\/SecureCRT                                                               | 29524560       | 7209       | 4806      | 066.667 |\n| \/usr\/share\/code\/libnode.so                                                       | 21135976       | 5161       | 4588      | 088.898 |\n+---------------------------------------------------------------------<\/pre>\n
\u8ba9\u6211\u4eec\u6765\u67e5\u770b\u4e00\u4e0b\u5176\u4e2d\u5217\u51fa\u7684\u4e00\u4e2a\u6587\u4ef6\uff1a<\/p>\n
$ lsof \/usr\/lib\/x86_64-linux-gnu\/libQtWebKit.so.4.10.2\nCOMMAND    PID   USER  FD   TYPE DEVICE SIZE\/OFF    NODE NAME\nquiterss 20630 silenceshell mem    REG    8,5 36462184 3936610 \/usr\/lib\/x86_64-linux-gnu\/libQtWebKit.so.4.10.2<\/pre>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\u4f1a\u663e\u793a cache \u7684\u6587\u4ef6\u7684\u5168\u8def\u5f84\uff0c\u4f1a\u6bd4\u8f83\u957f\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528–bname\u9009\u9879\u6765\u4ec5\u663e\u793a\u6587\u4ef6\u540d\uff1a<\/p>\n
-------------+----------------+------------+-----------+---------+\n$ sudo .\/hcache --top 3  --bname  \n+-------------+----------------+------------+-----------+---------+\n| Name        | Size (bytes)   | Pages      | Cached    | Percent |\n|-------------+----------------+------------+-----------+---------|\n| chrome      | 114911208      | 28055      | 25476     | 090.807 |\n| pycharm.jar | 95177431       | 23237      | 11479     | 049.400 |\n| atom        | 62641344       | 15294      | 10578     | 069.164 |\n+-------------+----------------+------------+-----------+---------+\n<\/pre>\n
\u8fd9\u4e2a\u5c0f\u5de5\u5177\u7684\u6e90\u7801\u5f00\u6e90\u5728 Github\u4e0a\uff1ahcache\uff0c\u6b22\u8fce\u5173\u6ce8\u548c\u63d0\u4ea4 issue \u53ca PR\u3002<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u672c\u6587\u7684\u5168\u90e8\u5185\u5bb9\u4e86\uff0c\u662f\u5426\u6709\u987a\u5229\u5e2e\u52a9\u4f60\u89e3\u51b3\u95ee\u9898\uff1f\u82e5\u662f\u80fd\u7ed9\u4f60\u5e26\u6765\u5b66\u4e60\u4e0a\u7684\u5e2e\u52a9\uff0c\u8bf7\u5927\u5bb6\u591a\u591a\u652f\u6301\u7c73\u4e91\uff01\u66f4\u591a\u5173\u4e8e\u6587\u7ae0\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u4e5f\u53ef\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5982\u4f55\u67e5\u770b Linux \u5f53\u524d\u7f13\u5b58\u4e86\u54ea\u4e9b\u5927\u6587\u4ef6\uff1f \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u67e5\u770b Linux \u5f53\u524d\u7f13\u5b58\u4e86\u54ea\u4e9b\u5927\u6587\u4ef6\uff1f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 Linux \u7528\u6237\u53ef\u80fd\u7ecf\u5e38\u9047\u5230\u7684\u4e00\u4e2a\u95ee\u9898\u662f\uff0c\u673a\u5668\u6709 16GB \u5185\u5b58\u4e4b\u591a\uff0c\u8fd0\u884c\u7684\u8fdb\u7a0b\u4e5f\u4e0d\u591a\uff0c\u4f46\u662f\u5269\u4e0b\u7684 free \u5185\u5b58\u5e76\u4e0d\u591a\uff0c\u5927\u90e8\u5206\u90fd\u88ab buff \u548c cache \u5360\u7528\u4e86\uff08\u6bd4\u5982\u4e0b\u9762\u6211\u7684 PC\uff09\u3002 $ free -h total used free shared buff\/cache available Mem: 15G 6.4G 2.3G 1.1G 6.9G 7.7G Swap: 975M 268K 975M \u867d\u7136\u5bf9\u4e8e Linux \u7684\u5185\u5b58\u5206\u914d\u673a\u5236\u6765\u8bf4\uff0c\u8fd9\u79cd\u88ab buff \u548c cache \u5360\u7528\u7684\u5185\u5b58\u5728\u7cfb\u7edf\u9700\u8981\u65f6\u4f1a\u53ca\u65f6\u91ca\u653e\u51fa\u6765\uff0c\u4f46\u662f\u6709\u65f6\u5019\u6211\u4eec\u60f3\u77e5\u9053\u5230\u5e95 cache \u4e86\u4e9b\u4ec0\u4e48\u5374\u6ca1\u6709\u4e00\u4e2a\u597d\u7684\u529e\u6cd5\u3002 \u524d\u51e0\u5929\u770b\u5230\u6709\u4e2a\u4eba\u7528 go \u5199\u4e86\u4e2a pcstat\uff0c\u53ef\u4ee5\u67e5\u770b\u67d0\u4e2a\u6587\u4ef6\u662f\u5426\u88ab\u7f13\u5b58\uff08\u4f5c\u8005\u7684\u76ee\u7684\u662f\u6570\u636e\u5e93\u8c03\u4f18\uff09\uff0c\u4e5f\u53ef\u4ee5\u6839\u636e\u8fdb\u7a0b\u7684 PID \u6765\u67e5\u770b\u90fd\u7f13\u5b58\u4e86\u54ea\u4e9b\u6587\u4ef6\uff0c\u4e0d\u8fc7\u8be5\u5de5\u5177\u4e0d\u80fd\u67e5\u770b\u6574\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u90fd cache \u4e86\u54ea\u4e9b\u6587\u4ef6\u3002 \u56e0\u6b64\uff0c\u6211\u57fa\u4e8e pcstat […]<\/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-52459","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52459","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=52459"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52459\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52459"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52459"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52459"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}