{"id":51762,"date":"2024-12-03T12:00:20","date_gmt":"2024-12-03T04:00:20","guid":{"rendered":"https:\/\/fwq.ai\/blog\/51762\/"},"modified":"2024-12-03T12:00:20","modified_gmt":"2024-12-03T04:00:20","slug":"%e4%bb%80%e4%b9%88%e6%98%af-linux-%e4%b8%ad%e7%9a%84-rss%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/51762\/","title":{"rendered":"\u4ec0\u4e48\u662f Linux \u4e2d\u7684 RSS\uff1f"},"content":{"rendered":"

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

\u4ec0\u4e48\u662f Linux \u4e2d\u7684 RSS\uff1f<\/h1>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u4ec0\u4e48\u662f Linux \u4e2d\u7684 RSS\uff1f\u300b<\/span>\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0<\/span>\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0<\/span>\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n<\/p>\n

\n

linux\u4e2drss\u7684\u610f\u601d\u662f\u5e38\u9a7b\u5185\u5b58\u96c6\uff0c\u5176\u82f1\u6587\u5168\u79f0\u662f\u201cResident Set Siz\u201d\uff0c\u8868\u793a\u8be5\u8fdb\u7a0b\u5206\u914d\u7684\u5185\u5b58\u5927\u5c0f\uff1brss\u4e0d\u5305\u62ec\u8fdb\u5165\u4ea4\u6362\u5206\u533a\u7684\u5185\u5b58\uff0c\u5305\u62ec\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff0c\u8fd8\u5305\u62ec\u6240\u6709\u5206\u914d\u7684\u6808\u5185\u5b58\u548c\u5806\u5185\u5b58\u3002<\/p>\n<\/blockquote>\n

linux\u4e2drss\u662f\u4ec0\u4e48\u610f\u601d\uff1f<\/strong><\/p>\n

Linux \u5185\u5b58\u7ba1\u7406\u4e2d\u7684 RSS \u548c VSZ\u7684\u610f\u601d<\/p>\n

RSS \u662f\u5e38\u9a7b\u5185\u5b58\u96c6\uff08Resident Set Size\uff09\uff0c\u8868\u793a\u8be5\u8fdb\u7a0b\u5206\u914d\u7684\u5185\u5b58\u5927\u5c0f\u3002<\/p>\n

RSS \u4e0d\u5305\u62ec\u8fdb\u5165\u4ea4\u6362\u5206\u533a\u7684\u5185\u5b58\u3002<\/p>\n

RSS \u5305\u62ec\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff08\u53ea\u8981\u5171\u4eab\u5e93\u5728\u5185\u5b58\u4e2d\uff09<\/p>\n

RSS \u5305\u62ec\u6240\u6709\u5206\u914d\u7684\u6808\u5185\u5b58\u548c\u5806\u5185\u5b58\u3002<\/p>\n

VSZ \u8868\u793a\u8fdb\u7a0b\u5206\u914d\u7684\u865a\u62df\u5185\u5b58\u3002<\/p>\n

VSZ \u5305\u62ec\u8fdb\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u7684\u6240\u6709\u5185\u5b58\uff0c\u5305\u62ec\u8fdb\u5165\u4ea4\u6362\u5206\u533a\u7684\u5185\u5bb9\uff0c\u4ee5\u53ca\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\u3002<\/p>\n

\u5982\u679c\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u7a0b\u5e8f\u7684\u5927\u5c0f\u6709 500K\uff0c\u94fe\u63a5\u7684\u5171\u4eab\u5e93\u5927\u5c0f\u6709 2500K\uff0c\u5806\u6808\u5185\u5b58\u5171\u6709 200K\uff0c\u5176\u4e2d 100K \u8fdb\u5165\u4e86\u4ea4\u6362\u5206\u533a\u3002<\/p>\n

\u8fdb\u7a0b\u5b9e\u9645\u52a0\u8f7d\u4e86\u5171\u4eab\u5e93\u4e2d\u7684 1000K \u7684\u5185\u5bb9\uff0c\u4ee5\u53ca\u81ea\u5df1\u7a0b\u5e8f\u7684\u4e2d\u7684 400K \u7684\u5185\u5bb9\u3002\u8bf7\u95ee RSS \u548c VSZ \u5e94\u662f\u591a\u5c11\uff1f<\/p>\n

RSS: 400K + 1000K + 100K = 1500K\nVSZ: 500K + 2500K + 200K = 3200K<\/pre>\n
RSS \u4e2d\u6709\u4e00\u90e8\u5206\u6765\u81ea\u5171\u4eab\u5e93\uff0c\u800c\u5171\u4eab\u5e93\u53ef\u80fd\u88ab\u8bb8\u591a\u8fdb\u7a0b\u4f7f\u7528\uff0c\u6240\u4ee5\u5982\u679c\u628a\u6240\u6709\u8fdb\u7a0b\u7684 RSS \u52a0\u8d77\u6765\uff0c\u53ef\u80fd\u6bd4\u7cfb\u7edf\u5185\u5b58\u8fd8\u8981\u5927\u3002<\/p>\n
\u6709\u4e00\u4e2a\u8f83\u65b0\u7684\u53c2\u6570 PSS (proportional set size)\uff0c\u5b83\u5bf9\u4e8e\u5171\u4eab\u5185\u5b58\u7684\u8ba1\u7b97\u4e0e RSS \u4e0d\u540c\u3002\u53c2\u8003\u524d\u9762\u7684\u4f8b\u5b50\uff0c\u5982\u679c\u6709\u4e24\u4e2a\u8fdb\u7a0b\u4f7f\u7528\u540c\u4e00\u4e2a\u5171\u4eab\u5e93\uff0c\u90a3\u4e48\uff1a<\/p>\n
PSS: 400K + (1000K\/2) + 100K = 400K + 500K + 100K = 1000K<\/pre>\n
\u7ebf\u7a0b\u5171\u4eab\u540c\u4e00\u4e2a\u5730\u5740\u7a7a\u95f4\uff0c\u6240\u4ee5\u4e00\u4e2a\u8fdb\u7a0b\u5185\u90e8\u7684\u6240\u6709\u7ebf\u7a0b\u6709\u76f8\u540c\u7684 RSS\uff0c VSZ \u548c PSS\u3002\u53ef\u4f7f\u7528 ps \u6216\u8005 top \u547d\u4ee4\u89c2\u5bdf\u8fd9\u4e9b\u4fe1\u606f\u3002<\/p>\n
There is way more to it than this, to learn more check the following references:<\/pre>\n
\u4eca\u5929\u5173\u4e8e\u300a\u4ec0\u4e48\u662f Linux \u4e2d\u7684 RSS\uff1f\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8eLinux,rss\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4ec0\u4e48\u662f Linux \u4e2d\u7684 RSS\uff1f \u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u300a\u4ec0\u4e48\u662f Linux \u4e2d\u7684 RSS\uff1f\u300b\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u6216\u8005\u662f\u5bf9\u6587\u7ae0\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01 linux\u4e2drss\u7684\u610f\u601d\u662f\u5e38\u9a7b\u5185\u5b58\u96c6\uff0c\u5176\u82f1\u6587\u5168\u79f0\u662f\u201cResident Set Siz\u201d\uff0c\u8868\u793a\u8be5\u8fdb\u7a0b\u5206\u914d\u7684\u5185\u5b58\u5927\u5c0f\uff1brss\u4e0d\u5305\u62ec\u8fdb\u5165\u4ea4\u6362\u5206\u533a\u7684\u5185\u5b58\uff0c\u5305\u62ec\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff0c\u8fd8\u5305\u62ec\u6240\u6709\u5206\u914d\u7684\u6808\u5185\u5b58\u548c\u5806\u5185\u5b58\u3002 linux\u4e2drss\u662f\u4ec0\u4e48\u610f\u601d\uff1f Linux \u5185\u5b58\u7ba1\u7406\u4e2d\u7684 RSS \u548c VSZ\u7684\u610f\u601d RSS \u662f\u5e38\u9a7b\u5185\u5b58\u96c6\uff08Resident Set Size\uff09\uff0c\u8868\u793a\u8be5\u8fdb\u7a0b\u5206\u914d\u7684\u5185\u5b58\u5927\u5c0f\u3002 RSS \u4e0d\u5305\u62ec\u8fdb\u5165\u4ea4\u6362\u5206\u533a\u7684\u5185\u5b58\u3002 RSS \u5305\u62ec\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\uff08\u53ea\u8981\u5171\u4eab\u5e93\u5728\u5185\u5b58\u4e2d\uff09 RSS \u5305\u62ec\u6240\u6709\u5206\u914d\u7684\u6808\u5185\u5b58\u548c\u5806\u5185\u5b58\u3002 VSZ \u8868\u793a\u8fdb\u7a0b\u5206\u914d\u7684\u865a\u62df\u5185\u5b58\u3002 VSZ \u5305\u62ec\u8fdb\u7a0b\u53ef\u4ee5\u8bbf\u95ee\u7684\u6240\u6709\u5185\u5b58\uff0c\u5305\u62ec\u8fdb\u5165\u4ea4\u6362\u5206\u533a\u7684\u5185\u5bb9\uff0c\u4ee5\u53ca\u5171\u4eab\u5e93\u5360\u7528\u7684\u5185\u5b58\u3002 \u5982\u679c\u4e00\u4e2a\u8fdb\u7a0b\uff0c\u7a0b\u5e8f\u7684\u5927\u5c0f\u6709 500K\uff0c\u94fe\u63a5\u7684\u5171\u4eab\u5e93\u5927\u5c0f\u6709 2500K\uff0c\u5806\u6808\u5185\u5b58\u5171\u6709 200K\uff0c\u5176\u4e2d 100K \u8fdb\u5165\u4e86\u4ea4\u6362\u5206\u533a\u3002 \u8fdb\u7a0b\u5b9e\u9645\u52a0\u8f7d\u4e86\u5171\u4eab\u5e93\u4e2d\u7684 1000K \u7684\u5185\u5bb9\uff0c\u4ee5\u53ca\u81ea\u5df1\u7a0b\u5e8f\u7684\u4e2d\u7684 400K \u7684\u5185\u5bb9\u3002\u8bf7\u95ee RSS \u548c VSZ \u5e94\u662f\u591a\u5c11\uff1f RSS: 400K + 1000K + 100K = 1500K VSZ: 500K + 2500K + 200K = 3200K RSS \u4e2d\u6709\u4e00\u90e8\u5206\u6765\u81ea\u5171\u4eab\u5e93\uff0c\u800c\u5171\u4eab\u5e93\u53ef\u80fd\u88ab\u8bb8\u591a\u8fdb\u7a0b\u4f7f\u7528\uff0c\u6240\u4ee5\u5982\u679c\u628a\u6240\u6709\u8fdb\u7a0b\u7684 RSS \u52a0\u8d77\u6765\uff0c\u53ef\u80fd\u6bd4\u7cfb\u7edf\u5185\u5b58\u8fd8\u8981\u5927\u3002 \u6709\u4e00\u4e2a\u8f83\u65b0\u7684\u53c2\u6570 PSS (proportional […]<\/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-51762","post","type-post","status-publish","format-standard","hentry","category-os"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51762","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=51762"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/51762\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=51762"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=51762"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=51762"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}