{"id":1854,"date":"2021-11-15T15:16:54","date_gmt":"2021-11-15T07:16:54","guid":{"rendered":"http:\/\/cn.hostease.com\/blog\/?p=1854"},"modified":"2021-11-15T15:16:54","modified_gmt":"2021-11-15T07:16:54","slug":"linux-%e4%b8%ad%e4%bf%ae%e6%94%b9%e6%89%93%e5%bc%80%e6%96%87%e4%bb%b6%e7%9a%84%e6%95%b0%e9%87%8f%e9%99%90%e5%88%b6","status":"publish","type":"post","link":"https:\/\/cn.hostease.com\/blog\/news\/linux-%e4%b8%ad%e4%bf%ae%e6%94%b9%e6%89%93%e5%bc%80%e6%96%87%e4%bb%b6%e7%9a%84%e6%95%b0%e9%87%8f%e9%99%90%e5%88%b6\/","title":{"rendered":"Linux \u4e2d\u4fee\u6539\u6253\u5f00\u6587\u4ef6\u7684\u6570\u91cf\u9650\u5236"},"content":{"rendered":"<p><strong><a href=\"https:\/\/cn.hostease.com\/\" target=\"_blank\" rel=\"noopener\">Linux<\/a><\/strong> \u4e2d\u4fee\u6539\u6253\u5f00\u6587\u4ef6\u7684\u6570\u91cf\u9650\u5236<\/p>\n<p>\u5728 Linux\u4e2d\u4f60\u53ef\u4ee5\u66f4\u6539\u6253\u5f00\u6587\u4ef6\u7684\u6700\u5927\u6570\u91cf\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528ulimit\u547d\u4ee4\u3002\u5b83\u4f7f\u4f60\u80fd\u591f\u63a7\u5236\u53ef\u7528\u4e8e shell \u6216\u7531\u5b83\u542f\u52a8\u7684\u8fdb\u7a0b\u7684\u8d44\u6e90\u3002<\/p>\n<p>\u67e5\u627e Linux \u6253\u5f00\u6587\u4ef6\u9650\u5236<\/p>\n<p># cat \/proc\/sys\/fs\/file-max<\/p>\n<p>365004<\/p>\n<p>\u8be5\u503c\u8868\u793a\u6bcf\u6b21\u767b\u5f55\u4f1a\u8bdd\u53ef\u4ee5\u6253\u5f00\u7684\u6587\u4ef6\u6570\u3002\u4e0d\u540c\u7cfb\u7edf\u7ed3\u679c\u53ef\u80fd\u4f1a\u6709\u6240\u4e0d\u540c\u3002\u63a8\u8350\u9605\u8bfb\uff1a<a href=\"https:\/\/cn.hostease.com\/blog\/shared-hosting\/702.html\" target=\"_blank\" rel=\"noopener\">\u300a\u5e38\u89c1\u7684Linux\u4e0e\u547d\u4ee4\u884c\u91cd\u5b9a\u5411\u300b<\/a><\/p>\n<p>\u4f8b\u5982\u5728\u4e00\u4e2a CentOS \u7684\u670d\u52a1\u5668\uff0c\u9650\u5236\u8bbe\u7f6e\u4e3a 365004<\/p>\n<p>\u5728 Linux \u4e2d\u68c0\u67e5\u786c\u9650\u5236<\/p>\n<p># ulimit -Hn<\/p>\n<p>65535<\/p>\n<p>\u68c0\u67e5 Linux \u4e2d\u7684\u8f6f\u9650\u5236<\/p>\n<p># ulimit -Sn<\/p>\n<p>65535<\/p>\n<p>\u8981\u67e5\u770b\u4e0d\u540c\u7528\u6237\u7684\u786c\u503c\u548c\u8f6f\u503c\uff0c\u4f60\u53ef\u4ee5su\u5207\u6362\u7528\u6237\u67e5\u770b\u6bd4\u8f83\u3002<\/p>\n<p>\u4f8b\u5982:<\/p>\n<p>su rumenz<\/p>\n<p>$ ulimit -Sn<\/p>\n<p>1024<\/p>\n<p>$ ulimit -Hn<\/p>\n<p>1024<\/p>\n<p>\u5982\u4f55\u5728 Linux \u4e2d\u68c0\u67e5\u7cfb\u7edf\u8303\u56f4\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236<\/p>\n<p>\u5982\u679c\u4f60\u6b63\u5728\u8fd0\u884c\u670d\u52a1\u5668\uff0c\u4f60\u7684\u67d0\u4e9b\u5e94\u7528\u7a0b\u5e8f\u53ef\u80fd\u9700\u8981\u66f4\u9ad8\u7684\u6253\u5f00\u6587\u4ef6\u63cf\u8ff0\u7b26\u9650\u5236\u3002\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\u662fMySQL\/MariaDB \u670d\u52a1\u6216 Apache \u7f51\u7edc\u670d\u52a1\u5668\u3002<\/p>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u7f16\u8f91\u5185\u6838\u6307\u4ee4\u6765\u589e\u52a0 Linux \u4e2d\u6253\u5f00\u6587\u4ef6\u7684\u9650\u5236 fs.file-max\u3002sysctl\u7528\u4e8e\u5728\u8fd0\u884c\u65f6\u914d\u7f6e\u5185\u6838\u53c2\u6570\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u5c06\u6253\u5f00\u6587\u4ef6\u9650\u5236\u589e\u52a0\u5230 500000\uff0c\u4f60\u53ef\u4ee5\u4ee5 root \u8eab\u4efd\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p># sysctl -w fs.file-max=500000<\/p>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u67e5\u6253\u5f00\u6587\u4ef6\u7684\u5f53\u524d\u503c\uff1a<\/p>\n<p>$ cat \/proc\/sys\/fs\/file-max<\/p>\n<p>\u4f7f\u7528\u4e0a\u8ff0\u547d\u4ee4\uff0c\u4f60\u6240\u505a\u7684\u66f4\u6539\u5c06\u4ec5\u5728\u4e0b\u6b21\u91cd\u65b0\u542f\u52a8\u4e4b\u524d\u4fdd\u6301\u6d3b\u52a8\u72b6\u6001\u3002\u5982\u679c\u4f60\u5e0c\u671b\u6c38\u4e45\u5e94\u7528\u5b83\u4eec\uff0c\u5219\u5fc5\u987b\u7f16\u8f91\u4ee5\u4e0b\u6587\u4ef6\uff1a<\/p>\n<p># vi \/etc\/sysctl.conf<\/p>\n<p>\u6dfb\u52a0\u4ee5\u4e0b\u884c\uff1a<\/p>\n<p>fs.file-max=500000<\/p>\n<p>\u4e5f\u53ef\u4ee5\u6839\u636e\u9700\u8981\u66f4\u6539\u6570\u91cf\u3002\u63a8\u8350\u9605\u8bfb\uff1a<a href=\"https:\/\/cn.hostease.com\/blog\/server\/692.html\" target=\"_blank\" rel=\"noopener\">\u300a\u5728Linux\u670d\u52a1\u5668\u4e2d\u4f7f\u7528ip\u547d\u4ee4\u300b<\/a><\/p>\n<p># cat \/proc\/sys\/fs\/file-max<\/p>\n<p>\u7528\u6237\u9700\u8981\u6ce8\u9500\u5e76\u91cd\u65b0\u767b\u5f55\u624d\u80fd\u4f7f\u66f4\u6539\u751f\u6548\u3002\u5982\u679c\u8981\u7acb\u5373\u5e94\u7528\u9650\u5236\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p># sysctl -p<\/p>\n<p>\u5728 Linux \u4e2d\u8bbe\u7f6e\u7528\u6237\u7ea7\u522b\u6253\u5f00\u6587\u4ef6\u9650\u5236<\/p>\n<p>\u4e0a\u9762\u7684\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u8bbe\u7f6e\u5168\u5c40\u9650\u5236\uff0c\u4f46\u4f60\u53ef\u80fd\u5e0c\u671b\u5bf9\u6bcf\u4e2a\u7528\u6237\u5e94\u7528\u9650\u5236\u3002root \u7528\u6237\u9700\u8981\u7f16\u8f91\u4ee5\u4e0b\u6587\u4ef6\uff1a<\/p>\n<p># vi \/etc\/security\/limits.conf<\/p>\n<p>\u683c\u5f0f\uff1a<\/p>\n<p>\u8fd9\u662f\u4e3a\u7528\u6237\u8bbe\u7f6e\u8f6f\u9650\u5236\u548c\u786c\u9650\u5236\u7684\u793a\u4f8b rumenz\u7528\u6237\uff1a<\/p>\n<p>## Example hard limit for max opened files<\/p>\n<p>rumenz hard nofile 4096<\/p>\n<p>## Example soft limit for max opened files<\/p>\n<p>rumenz soft nofile 1024<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fLinux \u4e2d\u4fee\u6539\u6253\u5f00\u6587\u4ef6\u7684\u6570\u91cf\u9650\u5236\u5168\u90e8\u5185\u5bb9\u3002\u63a8\u8350\u76f8\u5173\u5185\u5bb9\uff1a<a href=\"https:\/\/cn.hostease.com\/blog\/news\/1591.html\">\u300aNginx\u91cd\u542f\u547d\u4ee4Linux\u6b65\u9aa4\u662f\u4ec0\u4e48\uff1f\u300b<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux \u4e2d\u4fee\u6539\u6253\u5f00\u6587\u4ef6\u7684\u6570\u91cf\u9650\u5236 \u5728 Linux\u4e2d\u4f60\u53ef\u4ee5\u66f4\u6539\u6253\u5f00\u6587\u4ef6\u7684\u6700\u5927\u6570\u91cf\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528ulimit\u547d\u4ee4 &#8230; <a title=\"Linux \u4e2d\u4fee\u6539\u6253\u5f00\u6587\u4ef6\u7684\u6570\u91cf\u9650\u5236\" class=\"read-more\" href=\"https:\/\/cn.hostease.com\/blog\/news\/linux-%e4%b8%ad%e4%bf%ae%e6%94%b9%e6%89%93%e5%bc%80%e6%96%87%e4%bb%b6%e7%9a%84%e6%95%b0%e9%87%8f%e9%99%90%e5%88%b6\/\" aria-label=\"\u9605\u8bfb Linux \u4e2d\u4fee\u6539\u6253\u5f00\u6587\u4ef6\u7684\u6570\u91cf\u9650\u5236\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[8],"tags":[164],"class_list":["post-1854","post","type-post","status-publish","format-standard","hentry","category-news","tag-164"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/1854","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/comments?post=1854"}],"version-history":[{"count":1,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/1854\/revisions"}],"predecessor-version":[{"id":1855,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/posts\/1854\/revisions\/1855"}],"wp:attachment":[{"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/media?parent=1854"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/categories?post=1854"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.hostease.com\/blog\/wp-json\/wp\/v2\/tags?post=1854"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}