{"id":1121,"date":"2019-01-09T09:31:33","date_gmt":"2019-01-09T01:31:33","guid":{"rendered":"https:\/\/blog.jsjs.org\/?p=1121"},"modified":"2019-01-09T09:31:33","modified_gmt":"2019-01-09T01:31:33","slug":"systemd-vs-supervisord","status":"publish","type":"post","link":"https:\/\/blog.jsjs.org\/?p=1121","title":{"rendered":"systemd vs supervisord"},"content":{"rendered":"<p>\u8fc7\u53bb\u6211\u4eec\u9879\u76ee\u7ec4\u7684\u5e94\u7528\u90fd\u662f\u7528 supervisord \u6258\u7ba1\u7684\u3002\u6700\u8fd1\u56e0\u4e3a\u67d0\u4e9b\u56e0\u7d20\uff0c\u65e0\u6cd5\u4f7f\u7528 supervisord\uff0c\u56e0\u6b64\u8003\u8651\u6539\u7528 systemd\u3002<br \/>\n\u4f5c\u4e3a\u4e3b\u6d41 Linux \u53d1\u884c\u7248\u7684\u9ed8\u8ba4\u9009\u9879\uff0c\u4e4b\u524d\u591a\u591a\u5c11\u5c11\u7528\u8fc7\u4e00\u70b9 systemd\u3002\u4e0d\u8fc7\u8fd9\u6b21\u9700\u8981\u4e0a\u751f\u4ea7\u73af\u5883\uff0c\u6240\u4ee5\u62bd\u7a7a\u6df1\u5165\u7814\u7a76\u4e00\u756a\u3002<\/p>\n<p>\u4e3a\u4ec0\u4e48\u8981\u7528 supervisord?<\/p>\n<ol>\n<li>\u5b9e\u73b0\u8fdb\u7a0b\u7684\u5206\u7ec4\u7ba1\u7406\uff0c\u6bd4\u5982\u652f\u6301\u4e00\u540c\u542f\u52a8\/\u505c\u6b62\u591a\u4e2a\u751f\u4ea7\u8005\/\u6d88\u8d39\u8005\u5b9e\u4f8b\u3002<\/li>\n<li>\u8fdb\u7a0b\u5d29\u6e83\u7684\u65f6\u5019\u53ef\u4ee5\u91cd\u542f<\/li>\n<\/ol>\n<p>\u8981\u60f3\u6539\u7528 systemd\uff0c\u9700\u8981\u770b\u4e0b systemd \u5982\u4f55\u5e94\u5bf9\u8fd9\u4e24\u4e2a\u95ee\u9898\u3002<br \/>\n\uff08\u5982\u65e0\u6307\u660e\uff0c\u5728\u672c\u6587\u4e2d\uff0csupervisord \u7684\u914d\u7f6e\u9879\u5728\u00a0<code>[program:x]<\/code>\u00a0\u4e0b\u9762\uff0c\u800c systemd \u7684\u914d\u7f6e\u9879\u5219\u4f4d\u4e8e\u00a0<code>[Service]<\/code>\uff09<\/p>\n<h3 id=\"articleHeader0\">\u8fdb\u7a0b\u63a7\u5236<\/h3>\n<p>\u65e0\u8bba supervisord \u8fd8\u662f systemd\uff0c\u90fd\u91c7\u7528 ini \u4f5c\u4e3a\u914d\u7f6e\u6587\u4ef6\u7684\u683c\u5f0f\u3002\u8ddf supervisord \u4e0d\u540c\u7684\u662f\uff0csystemd \u6bcf\u4e2a\u7a0b\u5e8f\u90fd\u8981\u5355\u72ec\u5f00\u4e00\u4e2a unit \u6587\u4ef6\u3002<br \/>\nsupervisord \u53ef\u4ee5\u540c\u65f6\u542f\u52a8\/\u505c\u6b62\u914d\u7f6e\u6587\u4ef6\u4e2d\u6240\u4ee5\u7684\u8fdb\u7a0b\uff08\u6216\u8005\u67d0\u4e2a\u8fdb\u7a0b\u7ec4\u914d\u7f6e\u4e2d\u7684\u8fdb\u7a0b\uff09\u3002systemd \u53ef\u4ee5\u7528\u4f9d\u8d56\u6765\u5b9e\u73b0\u8fd9\u4e00\u70b9\u3002\u4e0b\u9762\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec<br \/>\n\u5c31\u521b\u5efa\u4e86\u4e00\u4e2a\u53ef\u4ee5\u540c\u65f6\u7ba1\u7406\u7684\u8fdb\u7a0b\u7ec4\uff1a<\/p>\n<pre class=\"hljs ini\"><code><span class=\"hljs-comment\">; group.target<\/span>\n<span class=\"hljs-section\">[Unit]<\/span>\n<span class=\"hljs-attr\">Description<\/span>=Application\n<span class=\"hljs-attr\">Wants<\/span>=prog1.service prog2.service<\/code><\/pre>\n<pre class=\"hljs ini\"><code><span class=\"hljs-comment\">; prog1.service<\/span>\n<span class=\"hljs-section\">[Unit]<\/span>\n<span class=\"hljs-attr\">Description<\/span>=prog1\n<span class=\"hljs-attr\">PartOf<\/span>=group.target\n<span class=\"hljs-section\">\n[Service]<\/span>\n<span class=\"hljs-attr\">ExecStart<\/span>=\/usr\/bin\/prog1\n<span class=\"hljs-attr\">Restart<\/span>=<span class=\"hljs-literal\">on<\/span>-failure<\/code><\/pre>\n<pre class=\"hljs ini\"><code><span class=\"hljs-comment\">; prog2.service<\/span>\n<span class=\"hljs-section\">[Unit]<\/span>\n<span class=\"hljs-attr\">Description<\/span>=prog2\n<span class=\"hljs-attr\">PartOf<\/span>=group.target\n<span class=\"hljs-section\">\n[Service]<\/span>\n<span class=\"hljs-attr\">ExecStart<\/span>=\/usr\/bin\/prog2\n<span class=\"hljs-attr\">Restart<\/span>=<span class=\"hljs-literal\">on<\/span>-failure<\/code><\/pre>\n<p><code>systemctl start group.target<\/code>\uff0c<code>prog1<\/code>\u00a0\u548c\u00a0<code>prog2<\/code>\u00a0\u4e5f\u4f1a\u5e26\u8d77\u6765\u3002<code>systemctl restart group.target<\/code>\uff0c<code>prog1<\/code>\u00a0\u548c\u00a0<code>prog2<\/code>\u4e5f\u4f1a\u8ddf\u7740\u91cd\u542f\u3002<\/p>\n<p>\u76f8\u5bf9\u6765\u8bf4\uff0csupervisord \u7684\u505a\u6cd5\u66f4\u52a0\u76f4\u89c2\u4e00\u4e9b\u3002<\/p>\n<p>\u5982\u679c\u8981\u66f4\u6539 supervisord \u7684\u914d\u7f6e\u6587\u4ef6\uff0csupervisord \u9700\u8981\u8fd0\u884c\u00a0<code>supervisorctl reread<\/code>\u00a0\u624d\u4f1a\u751f\u6548\u3002<br \/>\n\u800c systemd \u5219\u9700\u8981\u00a0<code>systemctl daemon-reload<\/code>\u3002\u534a\u65a4\u516b\u4e24\u5427\u3002<br \/>\n\u4e0d\u8fc7 supervisord \u6709\u4e00\u4e2a\u597d\u3002\u5982\u679c\u4f60\u4e0d\u77e5\u9053\u54ea\u4e9b\u7a0b\u5e8f\u7684\u914d\u7f6e\u6539\u53d8\u4e86\uff0c\u7b80\u5355\u5730\u6267\u884c\u00a0<code>supervisorctl update<\/code>\uff0c\u6240\u6709\u6d89\u53ca\u7684\u8fdb\u7a0b\u90fd\u4f1a\u88ab\u91cd\u542f\u3002<br \/>\n\u800c systemd \u8c8c\u4f3c\u505a\u4e0d\u5230\u8fd9\u4e00\u70b9\u3002<\/p>\n<p>systemd \u53ef\u4ee5\u6307\u5b9a stop \u64cd\u4f5c\u65f6\u53ef\u4ee5\u9009\u62e9\u7684\u547d\u4ee4\uff08<code>ExecStop=<\/code>\uff09\u3002\u53e6\u5916\u5b83\u8fd8\u63d0\u4f9b\u4e86\u00a0<code>ExecReload=<\/code>\uff0c\u53ef\u4ee5\u81ea\u5b9a\u4e49\u8c03\u7528\u00a0<code>systemctl reload xxx<\/code>\u00a0\u91cd\u65b0\u8bfb\u53d6\u7a0b\u5e8f\u914d\u7f6e\u6587\u4ef6\u65f6\u7684\u64cd\u4f5c\u3002<br \/>\nsupervisord \u4e0d\u652f\u6301 reload \u6307\u5b9a\u8fdb\u7a0b\u3002\u540c\u65f6\u5bf9\u4e8e stop \u64cd\u4f5c\uff0c\u5b83\u53ea\u5141\u8bb8\u4f60\u9009\u62e9\u8981\u53d1\u9001\u54ea\u79cd\u4fe1\u53f7&#8230;<\/p>\n<p>supervisord \u7684\u00a0<code>stopwaitsecs<\/code>\u00a0\u53ef\u4ee5\u63a7\u5236 stop \u64cd\u4f5c\u540e\u7b49\u5f85\u7a0b\u5e8f\u9000\u51fa\u7684\u8010\u5fc3\uff08\u4ee5\u79d2\u8861\u91cf\uff09\u3002\u5f85\u7ed9\u5b9a\u7684\u8010\u5fc3\u90fd\u6d88\u8017\u5b8c\u6bd5\u540e\uff0csupervisord \u624d\u4f1a\u75db\u4e0b\u6740\u624b\uff0c\u53d1\u9001 SIGKILL\u3002<br \/>\nsystemd \u5bf9\u5e94\u7684\u914d\u7f6e\u9879\u662f\u00a0<code>TimeoutStopSec=<\/code>\u3002systemd \u4f1a\u7ed9\u591a\u4e00\u6b21\u673a\u4f1a\uff0c\u5728\u4e0b\u6700\u540e\u901a\u7252\u4e4b\u524d\uff0c\u4f1a\u5148\u53d1\u9001 SIGTERM\uff0c\u8fc7\u53e6\u4e00\u4e2a TimeoutStopSec \u4e4b\u540e\u624d\u53d1\u9001 SIGKILL\u3002<\/p>\n<h3 id=\"articleHeader1\">\u8fdb\u7a0b\u91cd\u542f<\/h3>\n<p>\u4e3a\u4e86\u907f\u514d\u5728 supervisord \u548c systemd \u4e24\u5957\u672f\u8bed\u95f4\u8ff7\u7cca\uff0c\u8bf7\u5141\u8bb8\u6211\u629b\u5f03\u6240\u6709\u672f\u8bed\uff0c\u7528\u81ea\u5df1\u7684\u8bdd\u63cf\u8ff0\u3002<\/p>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-1123 size-full\" src=\"https:\/\/blog.jsjs.org\/wp-content\/uploads\/2019\/01\/3430680969-59107fe61370b_articlex.png\" alt=\"\" width=\"686\" height=\"210\" \/><br \/>\n<!--5f39ae17-8c62-4a45-bc43-b32064c9388a:W3siYmxvY2tJZCI6IjkyMjgtMTU0Njk5NzIzMzcxMyIsImJsb2NrVHlwZSI6ImltYWdlIiwic3R5bGVzIjp7ImFsaWduIjoibGVmdCIsImhlaWdodCI6MTkwLCJ3aWR0aCI6NjIwfSwidHlwZSI6ImltYWdlIiwic291cmNlIjoiMEU4M0IxM0Q4NThDNDlCQjg4MjJGMERBRTc0QTNBRDEifV0=--><\/div>\n<div><\/div>\n<p>\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u5230\uff0c\u8fdb\u7a0b\u5728 RUNNING \u4e4b\u524d\uff0c\u4f1a\u6709\u4e00\u4e2a STARTING \u7684\u8fc7\u7a0b\u3002\u5728 STARTING \u8fc7\u7a0b\u4e2d\uff0c\u8fdb\u7a0b\u53ef\u80fd\u4f1a\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\uff0c\u8fdb\u884c\u521d\u59cb\u5316\u3002<br \/>\n\u8fd9\u4e00\u8fc7\u7a0b\u4e2d\u7684\u9519\u8bef\u5904\u7406\uff0c\u8ddf RUNNING \u72b6\u6001\u7684\u5e94\u5f53\u6709\u6240\u4e0d\u540c\u3002<br \/>\n\u4ee5\u4e0a\u662f supervisord \u7684\u60f3\u6cd5\u3002<br \/>\n\u6240\u4ee5 supervisord \u63d0\u4f9b\u4e86\u5355\u72ec\u7684\u00a0<code>startretries<\/code>\u00a0\u914d\u7f6e\u9879\uff0c\u7528\u6765\u914d\u7f6e STARTING \u9636\u6bb5\u7684\u91cd\u542f\u6b21\u6570\u3002<br \/>\nsystemd \u5bf9\u6b64\u6ca1\u6709\u7279\u6b8a\u5904\u7406\u3002<\/p>\n<p>\u4e00\u4e2a\u7a0b\u5e8f\uff0c\u4ece RUNNING \u5230 EXITED\uff0c\u6709\u4e24\u79cd\u53ef\u80fd\uff1a\u6b63\u5e38\u9000\u51fa\u6216\u5f02\u5e38\u9000\u51fa\u2026\uff08\u5e9f\u8bdd\uff09<br \/>\n\u8fd9\u4e24\u79cd\u60c5\u51b5\uff0c\u662f\u901a\u8fc7\u914d\u7f6e\u7684\u9000\u51fa\u7801\u6765\u533a\u5206\u7684\u3002\u5bf9\u4e8e supervisord\uff0c\u8fd9\u4e2a\u914d\u7f6e\u9879\u662f\u00a0<code>exitcodes<\/code>\u3002systemd \u5219\u901a\u8fc7\u00a0<code>SuccessExitStatus<\/code>\u00a0\u6765\u63a7\u5236\u3002<br \/>\n\u6709\u8da3\u7684\u662f\uff0c<code>exitcodes<\/code>\u00a0\u7684\u9ed8\u8ba4\u503c\u662f\u00a0<code>0,2<\/code>\uff0c\u4e0d\u77e5\u9053\u4e3a\u4f55\u5b83\u4f1a\u8ba4\u4e3a 2 \u4e5f\u662f\u6b63\u5e38\u7684\u9000\u51fa\u7801\u3002<\/p>\n<p>\u5982\u679c\u914d\u7f6e\u4e86\u00a0<code>autorestart = true<\/code>\uff0c\u53ea\u8981\u7a0b\u5e8f\u9000\u51fa\uff0csupervisord \u90fd\u4f1a\u628a\u5b83\u542f\u52a8\u8d77\u6765\u3002\u76f8\u5bf9\u7684\uff0c\u5982\u679c\u914d\u7f6e\u7684\u662f\u00a0<code>autorestart = unexpected<\/code>\uff0c\u5219\u53ea\u6709<br \/>\n\u5f02\u5e38\u9000\u51fa\u624d\u4f1a\u91cd\u542f\u3002\u8fd9\u4e24\u4e2a\u9009\u9879\uff0c\u5728 systemd \u91cc\u5bf9\u5e94\u00a0<code>Restart=always<\/code>\u00a0\u548c\u00a0<code>Restart=on-failure<\/code>\u3002systemd \u8fd8\u63d0\u4f9b\u4e86\u00a0<code>Restart=on-success<\/code>\uff08\u53ea\u6709\u6b63\u5e38<br \/>\n\u9000\u51fa\u624d\u91cd\u542f\uff09\u548c\u00a0<code>Restart=on-abort<\/code>\uff08\u53ea\u6709\u6536\u5230\u5f02\u5e38\u4fe1\u53f7\u624d\u91cd\u542f\uff09\u3002<\/p>\n<p>\u5bf9\u4e8e\u91cd\u542f\u6b21\u6570\uff0csupervisord \u6ca1\u6709\u4f5c\u9650\u5b9a\u3002\u56e0\u4e3a\u91cd\u542f\u4e00\u4e2a\u7a0b\u5e8f\u65f6\uff0csupervisord \u4f1a\u5148\u8ba9\u5b83\u5904\u4e8e STARTING \u72b6\u6001\u3002\u8fd9\u4e2a\u72b6\u6001\u7684\u6301\u7eed\u65f6\u95f4\uff0c\u662f\u7531\u914d\u7f6e\u9879<br \/>\n\u4e2d\u7684\u00a0<code>startsecs<\/code>\u00a0\u51b3\u5b9a\u7684\uff0c\u9ed8\u8ba4 1 \u79d2\u3002\u5982\u679c\u662f\u4e0d\u53ef\u6062\u590d\u7684\u9519\u8bef\uff0c\u7a0b\u5e8f\u5c31\u4e0d\u53ef\u80fd\u6210\u529f\u8fdb\u5165\u5230 RUNNING \u72b6\u6001\u3002\u5f53\u7136\u4e5f\u8bb8\u5b58\u5728\u8fd9\u6837\u7684\u60c5\u51b5\uff0c\u7a0b\u5e8f\u8fd0\u884c 1 \u79d2<br \/>\n\u540e\uff0c\u5c31\u4f1a\u5d29\u6e83\u3002\u90a3\u4e48\u5b83\u5c31\u4f1a\u9677\u4e8e\u4e0d\u505c\u91cd\u542f\u7684\u65e0\u95f4\u5730\u72f1\u3002<\/p>\n<p>systemd \u5bf9\u6b64\u4e00\u5982\u65e2\u5f80\uff0c\u63d0\u4f9b\u4e86 N \u591a\u9009\u9879\u4ee5\u4f9b\u91c7\u7528\u3002\u4f60\u53ef\u4ee5\u7528\u00a0<code>RestartSec<\/code>\u00a0\u63a7\u5236\u6bcf\u6b21\u91cd\u542f\u7684\u95f4\u9694\uff0c\u53ef\u4ee5\u7528\u00a0<code>StartLimitInterval<\/code>\u00a0\u548c\u00a0<code>StartLimitBurst<\/code>\u00a0\u8bbe\u5b9a<br \/>\n\u7ed9\u5b9a\u5468\u671f\u5185\u80fd\u591f\u91cd\u542f\u7684\u6b21\u6570\u3002\u6bd4\u5982\u6307\u5b9a\u00a0<code>StartLimitInterval=1s<\/code>\uff0c<code>StartLimitBurst=3<\/code>\uff0c\u5c31\u53ef\u4ee5\u5b9e\u73b0\u8ddf supervisord \u4e00\u81f4\u7684\u9ed8\u8ba4\u91cd\u542f\u7b56\u7565\u3002<\/p>\n<p>\u6bd4\u8f83\u5b8c\u6700\u57fa\u672c\u7684\u4e24\u79cd\u529f\u80fd\uff0c\u8ba9\u6211\u4eec\u7ee7\u7eed\u770b\u770b\uff0c\u4e24\u8005\u5728\u4e00\u4e9b\u5c0f\u7ec6\u8282\u4e0a\u7684\u5bf9\u5bf9\u78b0\u3002<\/p>\n<h3 id=\"articleHeader2\">\u63a7\u5236\u5b9e\u4f8b\u6570<\/h3>\n<p>supervisord \u53ef\u4ee5\u7528\u00a0<code>numprocs<\/code>\u00a0\u6765\u63a7\u5236\u5355\u4e2a\u7a0b\u5e8f\u5bf9\u5e94\u7684\u5b9e\u4f8b\u6570\u3002systemd \u4e5f\u53ef\u4ee5\u505a\u5230\u8fd9\u4e00\u70b9\uff0c\u867d\u7136\u6709\u70b9\u9ebb\u70e6\uff08\u67d0\u79cd\u610f\u4e49\u4e0a\uff0c\u66f4\u52a0\u5f3a\u5927\uff09\u3002<br \/>\nsystemd \u4f1a\u628a\u4ee5\u00a0<code>@<\/code>\u00a0\u7ed3\u5c3e\u7684\u00a0<code>service<\/code>\u00a0\u6587\u4ef6\u5f53\u4f5c\u6a21\u677f\uff0c\u5728\u8fd0\u884c\u65f6\u6839\u636e\u7ed9\u5b9a\u7684\u53c2\u6570\u5c55\u5f00\u6210\u591a\u4e2a\u5b9e\u4f8b\u3002<\/p>\n<p>\u5177\u4f53\u5b9e\u73b0\u65b9\u5f0f\u89c1\uff1a<a href=\"http:\/\/0pointer.de\/blog\/projects\/instances.html\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">http:\/\/0pointer.de\/blog\/proje&#8230;<\/a><\/p>\n<h3 id=\"articleHeader3\">\u65e5\u5fd7<\/h3>\n<p>supervisord \u80fd\u591f\u91cd\u5b9a\u5411\u88ab\u6258\u7ba1\u7684\u7a0b\u5e8f\u7684 stdout \u548c stderr \u5230\u65e5\u5fd7\u6587\u4ef6\u4e2d\uff0c\u5e76\u63d0\u4f9b\u65e5\u5fd7\u5207\u5272\u670d\u52a1\u3002systemd \u4e5f\u652f\u6301\u8fd9\u4e00\u70b9\uff0c\u5c3d\u7ba1\u5b83\u7684\u5b9e\u73b0\u6709\u5f88\u5927\u7684\u4e0d\u540c\u3002<\/p>\n<p>\u6839\u636e\u9119\u4eba\u7684\u7ecf\u9a8c\uff0c\u57fa\u4e8e\u5b9a\u671f\u68c0\u67e5\u7684\u65e5\u5fd7\u5207\u5272\u670d\u52a1\uff0c\u4e0d\u662f\u4e2a\u597d\u7684\u9009\u62e9\u3002<br \/>\n\u4e00\u65e6\u9047\u4e0a\u7a81\u53d1\u9ad8\u5cf0\uff0c\u6709\u53ef\u80fd\u4f1a\u51fa\u73b0\u65e5\u5fd7\u65e0\u6cd5\u53ca\u65f6\u5207\u5272\u7684\u60c5\u51b5\uff1b\u800c\u8c03\u5c0f\u68c0\u67e5\u95f4\u9694\uff0c\u5927\u90e8\u5206\u60c5\u51b5\u4e0b\u90fd\u5728\u65e0\u610f\u4e49\u5730\u7a7a\u8f6c\u3002\uff08\u8bf4\u7684\u5c31\u662f\u4f60\uff0clogroated\uff09<br \/>\n\u597d\u5728\u65e0\u8bba\u662f supervisord\uff0c\u8fd8\u662f systemd\uff0c\u63d0\u4f9b\u7684\u5207\u5272\u670d\u52a1\u90fd\u662f\u5b9e\u65f6\u7684\u3002\u6bcf\u5f53\u5199\u5165\u5185\u5bb9\u4f1a\u8d85\u8fc7\u4e0a\u9650\u65f6\uff0c\u5c31\u4f1a\u81ea\u52a8\u5207\u5272\u3002<\/p>\n<p>systemd \u7684\u65e5\u5fd7\u670d\u52a1\u662f\u901a\u8fc7 journald \u7ec4\u4ef6\u5b9e\u73b0\u7684\u3002\u4f60\u53ef\u4ee5\u5728\u00a0<code>\/etc\/systemd\/journald.conf<\/code>\u00a0\u4e2d\u914d\u7f6e\u5b83\u3002<br \/>\njournald \u9ed8\u8ba4\u7684\u65e5\u5fd7\u5b58\u50a8\u5f62\u5f0f\u662f\u00a0<code>Storage=auto<\/code>\u3002\u8fd9\u4e2a\u9009\u9879\u6bd4\u8f83\u5947\u5999\uff0c\u5982\u679c\u4f60\u521b\u5efa\u4e86\u00a0<code>\/var\/log\/journal<\/code>\u00a0\u6587\u4ef6\u5939\uff0c\u90a3\u4e48\u5b83\u5c31\u4f1a\u628a\u65e5\u5fd7\u5199\u5230\u8fd9\u4e2a\u6587\u4ef6\u5939\u4e0b\u3002\u5426\u5219\u4e0d\u8fdb\u884c\u6301\u4e45\u5316\u3002<\/p>\n<p>\u6301\u4e45\u5316\u540e\u7684\u65e5\u5fd7\u662f\u8fd9\u4e2a\u6837\u5b50\u7684\uff1a<\/p>\n<pre class=\"hljs groovy\"><code><span class=\"hljs-regexp\">\/var\/<\/span>log<span class=\"hljs-regexp\">\/journal\/<\/span>c4010ceea79847afbedecb60a775db96\/\n\u251c\u2500\u2500 system.journal\n\u251c\u2500\u2500 user<span class=\"hljs-number\">-1000.<\/span>journal\n\u2514\u2500\u2500 user<span class=\"hljs-number\">-65534.<\/span>journal<\/code><\/pre>\n<p>\u7b2c\u4e00\u6b21\u770b\u5230\u8fd9\u6837\u7684\u76ee\u5f55\u7ed3\u6784\uff0c\u8bf4\u4e0d\u5b9a\u4f60\u4f1a\u5927\u5403\u4e00\u60ca\u3002journald \u8bbe\u8ba1\u8005\u8111\u6d1e\u4e0d\u662f\u4e00\u822c\u7684\u5927\u3002\u4ece\u8fd9\u4e2a\u7ed3\u6784\u4e0a\uff0c\u6839\u672c\u770b\u4e0d\u51fa\u5e94\u7528\u65e5\u5fd7\u5728\u54ea\u91cc\u561b\u3002<br \/>\n\u4e0d\uff0c\u5b8c\u5168\u6ca1\u6709\u8fd9\u6837\u7684\u5fc5\u8981\uff0c\u56e0\u4e3a\u6240\u6709\u7684\u7a0b\u5e8f\u7684\u65e5\u5fd7\u90fd\u4f1a\u5199\u5230\u4e00\u5757\u53bb\u3002\u4e0d\u5206\u5f7c\u6b64\uff0c\u5168\u53d8\u6210\u4e00\u56e2\u6d46\u7cca\u3002\u968f\u4fbf\u4e00\u63d0\uff0c\u65e5\u5fd7\u9ed8\u8ba4\u90fd\u662f\u538b\u7f29\u7684\u3002<\/p>\n<p>\u8981\u770b\u65e5\u5fd7\uff0c\u4f60\u5f97\u7528\u00a0<code>journalctl<\/code>\u3002\u6bd4\u5982\u770b\u00a0<code>prog1.service<\/code>\u00a0\u7684\u65e5\u5fd7\uff0c\u9700\u8981\u00a0<code>journalctl -u prog1.service<\/code>\u3002\u8981\u770b\u7279\u5b9a\u65f6\u671f\u7684\u65e5\u5fd7\uff0c\u9700\u8981\u00a0<code>journalctl --since $timestamp --until $timestamp<\/code>\u3002<\/p>\n<p>\u8fd9\u4e48\u524d\u536b\u7684\u8bbe\u8ba1\u6211\u53ef\u63a5\u53d7\u65e0\u80fd\u3002\u8fd9\u79cd\u00a0<code>journalctl<\/code>\u00a0\u63a7\u5236\u4e00\u5207\u7684\u65b9\u5f0f\uff0c\u5bfc\u81f4 systemd \u65e5\u5fd7\u65e0\u6cd5\u96c6\u6210\u5230\u4f20\u7edf\u7684\u65e5\u5fd7\u6536\u96c6\u5de5\u5177\u4e2d\u3002<br \/>\n\u7a0b\u5e8f\u5458\u5de5\u5177\u7bb1\u4e2d\u5404\u79cd\u00a0<code>text base<\/code>\u00a0\u5904\u7406\u5de5\u5177\uff0c\u5bf9\u6b64\u4e5f\u5927\u773c\u77aa\u5c0f\u773c\uff0c\u53ea\u80fd\u5bf9\u7740\u00a0<code>journalctl<\/code>\u00a0\u4f4e\u4e09\u4e0b\u56db\uff0c\u63a5\u53d7\u5bf9\u65b9\u7684\u5c0f\u813e\u6c14\u3002<\/p>\n<p>journald \u63d0\u4f9b\u4e86\u4e09\u4e2a\u914d\u7f6e\u9879\uff0c<code>RuntimeMaxFileSize=<\/code>\u00a0\u548c\u00a0<code>RuntimeMaxFiles=<\/code>\u3002\u987e\u540d\u601d\u4e49\uff0c\u5c31\u662f\u5355\u4e2a\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f\u548c\u5141\u8bb8\u7684\u65e5\u5fd7\u6570\u3002<br \/>\n\u53e6\u5916\uff0c<code>RuntimeMaxUse=<\/code>\u00a0\u548c\u00a0<code>RuntimeKeepFree=<\/code>\u00a0\u53ef\u4ee5\u63a7\u5236\u603b\u5927\u5c0f\u7684\u4e0a\u9650\u3002<\/p>\n<p>supervisord \u5728\u8fd9\u65b9\u9762\u505a\u7684\u8981\u597d\u5f97\u591a\u3002\u901a\u8fc7\u00a0<code>stdout\/stderr_logfile_maxbytes<\/code>\u00a0\u548c\u00a0<code>stdout\/stderr_logfile_backups<\/code>\uff0c\u4f60\u53ef\u4ee5\u89c4\u5212\u6bcf\u4e00\u4e2a\u7a0b\u5e8f\u7684\u65e5\u5fd7\u6587\u4ef6\u7684\u5207\u5272\u7c92\u5ea6\u3002<br \/>\n\u4e0d\u540c\u7a0b\u5e8f\u7684\u65e5\u5fd7\u4e0d\u4f1a\u6324\u4e00\u8d77\uff0c\u4ea7\u751f\u65e5\u5fd7\u5c11\u7684\u7a0b\u5e8f\u4e5f\u4e0d\u4f1a\u88ab\u4ea7\u751f\u65e5\u5fd7\u591a\u7684\u7a0b\u5e8f\u5e72\u6270\u3002<\/p>\n<h3 id=\"articleHeader4\">systemd vs supervisord<\/h3>\n<p>\u9664\u4e86\u4ee5\u4e0a\u51e0\u70b9\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u6ca1\u6709\u5177\u4f53\u63d0\u5230\u7684\u529f\u80fd\u3002<br \/>\n\u6bd4\u5982 supervisord \u901a\u8fc7 priority \u914d\u7f6e\u8fdb\u7a0b\u542f\u52a8\u987a\u5e8f\uff0c\u4ee5\u53ca systemd \u5bf9\u5e94\u7684 Before\/After \u4f9d\u8d56\u673a\u5236\u3002<br \/>\n\u6bd4\u5982 supervisord \u7684 events \u529f\u80fd\uff0c\u548c\u4e0e\u4e4b\u76f8\u5bf9\u5e94\u7684 systemd \u7684 notify \u673a\u5236\u3002<br \/>\n\u6bd4\u5982 supervisord \u53ef\u4ee5\u7ba1\u7406 fastcgi\uff08\u771f\u6709\u4eba\u8fd9\u4e48\u505a\u5417\uff09\u3002<br \/>\n\u6bd4\u5982 systemd \u63d0\u4f9b\u7684\u57fa\u4e8e cgroup \u7684\u8d44\u6e90\u9650\u5236\u3002<br \/>\n\u7531\u4e8e\u6ca1\u6709\u4f7f\u7528\u7ecf\u9a8c\uff0c\u5bf9\u8fd9\u4e9b\u529f\u80fd\u5c31\u4e0d\u4f5c\u4e00\u4e00\u6bd4\u8f83\u4e86\u3002<\/p>\n<p>\u662f\u65f6\u5019\u7ed3\u9898\u4e86\u3002<br \/>\nsystemd \u548c supervisord \u5404\u6709\u957f\u77ed\uff0c\u4e0d\u5b58\u5728\u54ea\u4e00\u65b9\u7edd\u5bf9\u7684\u78be\u538b\u3002<br \/>\nsystemd \u8ddf Linux \u7d27\u5bc6\u7ed3\u5408\uff0c\u6240\u9700\u7684\u4f9d\u8d56\u5c11\uff0c\u5176\u63d0\u4f9b\u7684\u4fdd\u969c\u81ea\u7136\u6bd4 supervisord \u66f4\u53ef\u9760\u3002\u7136\u800c\u5728\u5f3a\u5927\u7684\u80fd\u529b\u80cc\u540e\uff0c\u4e5f\u6709\u914d\u7f6e\u590d\u6742\u3001\u4e0d\u6613\u4e0a\u624b\u7b49\u95ee\u9898\u3002<br \/>\nsupervisord \u504f\u4e8e\u5e94\u7528\u5c42\uff0c\u5374\u56e0\u6b64\u6709\u72ec\u7279\u7684\u7528\u6b66\u4e4b\u5730\u3002<br \/>\n\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u8bb8\u591a\u4eba\u4f1a\u5f80 docker \u6253\u5305\u91cc\u9762\u5c01\u5165\u4e00\u4efd supervisord\uff0c\u8ba9\u5b83\u6765\u505a PID 1\uff0c\u4ee5\u6b64\u7a0d\u5fae\u589e\u5f3a\u4e0b\u5065\u58ee\u6027\u3002<br \/>\n\u6362 systemd \u505a\u540c\u6837\u7684\u4e8b\uff0c\u5c31\u50cf\u7528\u56ed\u827a\u526a\u5200\u88c1\u7eb8\uff0c\u5373\u4f7f\u80fd\u591f\u987a\u5229\u5b8c\u6210\uff0c\u4e5f\u96be\u514d\u4e8b\u500d\u529f\u534a\u3002\u6bd5\u7adf\u8fd9\u6837\u7684\u65b9\u5f0f\u8ddf systemd 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systemd\uff0c\u9700\u8981\u770b\u4e0b systemd \u5982\u4f55\u5e94\u5bf9\u8fd9\u4e24\u4e2a\u95ee\u9898\u3002 \uff08\u5982\u65e0\u6307\u660e\uff0c\u5728\u672c\u6587\u4e2d\uff0csupervisord \u7684\u914d\u7f6e\u9879\u5728\u00a0[program:x]\u00a0\u4e0b\u9762\uff0c\u800c systemd [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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