{"id":10020381,"date":"2024-11-06T14:53:15","date_gmt":"2024-11-06T06:53:15","guid":{"rendered":"https:\/\/itmax.cn\/?p=10020381"},"modified":"2024-11-06T14:53:15","modified_gmt":"2024-11-06T06:53:15","slug":"%f0%9f%92%a2%e7%ba%bf%e4%b8%8a%e9%ab%98%e5%bb%b6%e8%bf%9f%e8%af%b7%e6%b1%82%e6%8e%92%e6%9f%a5","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10020381","title":{"rendered":"\ud83d\udca2\u7ebf\u4e0a\u9ad8\u5ef6\u8fdf\u8bf7\u6c42\u6392\u67e5"},"content":{"rendered":"<p>\u524d\u51e0\u5929\u6392\u67e5\u4e86\u4e00\u4e2a\u4e1a\u52a1\u63a5\u53e3\u6267\u884c\u9ad8\u5ef6\u8fdf\u7684\u95ee\u9898\uff0c\u4e5f\u633a\u6709\u53c2\u8003\u610f\u4e49\u7684\uff0c\u5206\u4eab\u4e00\u4e0b\u6392\u67e5\u8fc7\u7a0b\u3002<\/p>\n<p>\u73b0\u8c61\u662f\u4e1a\u52a1\u53cd\u9988\u6709\u4e00\u4e2a\u63a5\u53e3\u4e1a\u52a1\u903b\u8f91\u5176\u5b9e\u5f88\u7b80\u5355\uff0c\u4f46\u662f\u8c03\u7528\u4e00\u6b21\u8017\u65f6\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451401\" alt=\"\" title=\"\"><\/p>\n<h2>\u6392\u67e5\u5e94\u7528\u8fd0\u884c\u72b6\u6001<\/h2>\n<p>\u9996\u5148\u7b2c\u4e00\u6b65\u9700\u8981\u67e5\u770b\u5f53\u65f6\u7684\u5e94\u7528\u8fd0\u884c\u72b6\u6001\uff0c\u5305\u542b\u5f53\u65f6\u7684\u65e5\u5fd7\u3001JVM \u7684\u5404\u79cd\u76d1\u63a7\u7b49\u3002<\/p>\n<p>\u56e0\u4e3a\u6211\u4eec\u63a5\u5165\u4e86 <code>OpenTelemetry<\/code>\uff0c\u6240\u4ee5 <code>trace<\/code> \u548c\u65e5\u5fd7\u662f\u53ef\u4ee5\u5173\u8054\u8d77\u6765\u7684\u3002<\/p>\n<blockquote><p>\u70b9\u51fb\u94fe\u8def\u7cfb\u7edf\u65c1\u8fb9\u7684\u65e5\u5fd7\u6309\u94ae\u53ef\u4ee5\u76f4\u63a5\u8df3\u8f6c\u3002<\/p><\/blockquote>\n<p>\u53ef\u4ee5\u901a\u8fc7 <code>trace_id<\/code> \u67e5\u8be2\u5230\u76f8\u5173\u65e5\u5fd7\uff1a<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451402\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u901a\u8fc7\u65e5\u5fd7\u53ef\u4ee5\u770b\u51fa\u8017\u65f6\u5927\u7ea6\u5728 4s \u591a\u4e00\u70b9\uff0c\u7136\u540e\u7ed3\u5408\u4ee3\u7801\u53d1\u73b0\u8fd9\u4e24\u6bb5\u65e5\u5fd7\u5206\u522b\u662f\u5728\u8fdb\u5165\u4e00\u4e2a\u6838\u5fc3\u4e1a\u52a1\u65b9\u6cd5\u4e4b\u524d\u548c\u65b9\u6cd5\u5185\u6253\u5370\u7684\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451403\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u800c\u7b2c\u4e00\u884c\u65e5\u5fd7\u662f\u5728\u4e00\u4e2a\u81ea\u5b9a\u4e49\u9650\u6d41\u5668\u4e2d\u6253\u5370\u7684\uff0c\u8fd9\u4e2a\u9650\u6d41\u5668\u662f\u4f7f\u7528 <code>Guava<\/code> \u7684 <code>RateLimiter<\/code>\u5b9e\u73b0\u7684\u3002<\/p>\n<p>\u6211\u7684\u7b2c\u4e00\u53cd\u5e94\u662f\u4e0d\u662f\u8fd9\u4e2a\u9650\u6d41\u5668\u5f53\u65f6\u9650\u6d41\u4e86\uff0c\u4ece\u800c\u5bfc\u81f4\u963b\u585e\u4e86\uff1b\u4f46\u67e5\u770b\u4e86\u5f53\u65f6\u7684 QPS \u53d1\u73b0\u5b8c\u5168\u4f4e\u4e8e\u9650\u6d41\u5668\u7684\u914d\u7f6e\uff0c\u6240\u4ee5\u57fa\u672c\u53ef\u4ee5\u6392\u9664\u5b83\u7684\u5acc\u7591\u4e86\u3002<\/p>\n<h3>JVM \u76d1\u63a7<\/h3>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451404\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451405\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u4e4b\u540e\u6211\u4eec\u67e5\u8be2\u5f53\u65f6\u7684 JVM \u76d1\u63a7\u53d1\u73b0\u5f53\u65f6\u7684 GC  \u9891\u7e41\uff0c\u800c\u5806\u5185\u5b58\u4e5f\u6b63\u597d\u53d1\u751f\u4e86\u4e00\u6b21\u56de\u6536\uff0c\u521d\u6b65\u5224\u65ad\u662f GC \u5bfc\u81f4\u7684\u672c\u6b21\u95ee\u9898\u3002<\/p>\n<p>\u4f46\u4e3a\u5565\u4f1a\u5bfc\u81f4\u9891\u7e41\u7684 GC \u5462\uff0c\u8fd8\u9700\u8981\u7ee7\u7eed\u6392\u67e5\u3002<\/p>\n<h3>\u5185\u5b58\u6392\u67e5<\/h3>\n<p>\u6211\u4eec\u5728\u5e94\u7528\u8bca\u65ad\u4e2d\u96c6\u6210\u4e86 <a href=\"https:\/\/link.segmentfault.com\/?enc=1Oc1G9dOpFysypVkLX1V8w%3D%3D.0fchBYCr5hzkpxCXbD4AceEvhd%2BYtazcKMUWW6YN28dPG5lQZtgoUhrVDfEmUsGS\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">Pyroscope<\/a>\u7684\u6301\u7eed\u5256\u6790\uff0c\u53ef\u4ee5\u5b9e\u65f6\u67e5\u770b\u5185\u5b58\u7684\u5360\u7528\u60c5\u51b5\u3002<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451406\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451407\" alt=\"image.png\" title=\"image.png\" loading=\"lazy\"><\/p>\n<p>\u901a\u8fc7\u5185\u5b58\u5206\u6790\u53d1\u73b0\u6709\u5927\u91cf\u7684 JSON \u5e8f\u5217\u5316\u5360\u7528\u4e86\u5927\u91cf\u7684\u5185\u5b58\uff0c\u540c\u65f6\u8fd8\u53d1\u73b0 Pod \u5df2\u7ecf\u88ab\u91cd\u542f\u597d\u51e0\u6b21\u4e86\uff1a<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451408\" alt=\"image.png\" title=\"image.png\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451409\" alt=\"image.png\" title=\"image.png\" loading=\"lazy\"><\/p>\n<p>\u67e5\u770b\u539f\u56e0\u53d1\u73b0\u662f Pod OOM \u5bfc\u81f4\u7684\u3002<\/p>\n<p>\u56e0\u6b64\u975e\u5e38\u6709\u53ef\u80fd\u662f GC \u5bfc\u81f4\u7684\uff0c\u6070\u597d\u90a3\u6bb5\u65f6\u95f4\u53d1\u751f\u4e86 GC \u5185\u5b58\u4e5f\u6709\u660e\u663e\u53d8\u5316\u3002<\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451404\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451405\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451410\" alt=\"\" title=\"\" loading=\"lazy\"><\/p>\n<p>\u6700\u540e\u518d\u901a\u8fc7 arthas \u786e\u8ba4\u4e86 GC \u975e\u5e38\u9891\u7e41\uff0c\u53ef\u4ee5\u786e\u8ba4\u76ee\u524d\u7684\u8d44\u6e90\u662f\u662f\u975e\u5e38\u7d27\u5f20\u7684\uff0c\u54a8\u8be2\u4e1a\u52a1\u4e4b\u540e\u5f97\u77e5\u8be5\u5e94\u7528\u672c\u8eab\u5360\u7528\u7684\u8d44\u6e90\u5c31\u6bd4\u8f83\u5927\uff0c\u6ca1\u6709\u592a\u591a\u4f18\u5316\u7a7a\u95f4\uff0c\u6240\u4ee5\u6700\u7ec8\u51b3\u5b9a\u8fd8\u662f\u52a0\u914d\u7f6e\u3002<br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451411\" alt=\"\" title=\"\" loading=\"lazy\"><br \/><img decoding=\"async\"   referrerpolicy=\"no-referrer\" src=\"https:\/\/segmentfault.com\/img\/remote\/1460000045451412\" alt=\"image.png\" title=\"image.png\" loading=\"lazy\"><br \/>\u8fd8\u662f\u63d0\u9ad8\u786c\u4ef6\u6548\u7387\u6700\u9ad8\uff0c\u76ee\u524d\u8fd0\u884c\u534a\u4e2a\u6708\u4e4b\u540e Pod \u5185\u5b58\u8868\u73b0\u7a33\u5b9a\uff0c\u6ca1\u6709\u51fa\u73b0\u4e00\u6b21 OOM \u7684\u5f02\u5e38\u3002<\/p>\n<h2>\u603b\u7ed3<\/h2>\n<p>\u867d\u7136\u6700\u540e\u7684\u5904\u7406\u7684\u65b9\u5f0f\u662f\u7b80\u5355\u7c97\u66b4\u7684\uff0c\u4f46\u5176\u4e2d\u7684\u8fc7\u7a0b\u8fd8\u662f\u6709\u610f\u4e49\u7684\uff0c\u9047\u5230\u4e0d\u540c\u7684\u60c5\u51b5\u4e5f\u6709\u4e0d\u540c\u7684\u5904\u7406\u65b9\u5f0f\u3002<\/p>\n<p>\u6bd4\u5982\u5728\u6392\u67e5\u8fc7\u7a0b\u4e2d\u53d1\u73b0\u5185\u5b58\u6d88\u8017\u5f02\u5e38\uff0c\u901a\u8fc7\u5185\u5b58\u5206\u6790\u53d1\u73b0\u4ee3\u7801\u53ef\u4ee5\u4f18\u5316\uff0c\u90a3\u5c31\u4f18\u5316\u4ee3\u7801\u903b\u8f91\u3002<\/p>\n<p>\u5982\u679c\u662f\u5806\u5185\u5b58\u5360\u7528\u4e0d\u5927\uff0c\u4f46\u662f Pod \u8fd8\u662f OOM \u5bfc\u81f4\u91cd\u542f\uff0c\u90a3\u5c31\u8981\u770b\u770b JVM \u7684\u5185\u5b58\u5206\u914d\u662f\u5426\u5408\u7406\uff0c\u5e94\u8be5\u591a\u9884\u7559\u4e00\u4e9b\u5185\u5b58\u7ed9\u5806\u5916\u4f7f\u7528\u3002<\/p>\n<p>\u4f46\u8fd9\u4e2a\u8fc7\u7a0b\u9700\u8981\u6709<strong>\u5b8c\u5584\u7684\u53ef\u89c2\u6d4b\u7cfb\u7edf\u7684<\/strong>\u652f\u6491\uff0c\u6bd4\u5982\u65e5\u5fd7\u3001\u76d1\u63a7\u7b49\uff0c\u5982\u679c\u6ca1\u6709\u8fd9\u4e9b\u6570\u636e\uff0c\u518d\u56de\u5934\u6392\u67e5\u95ee\u9898\u5c31\u4f1a\u6bd4\u8f83\u56f0\u96be\u3002<\/p>\n<p>\u603b\u4e4b\u8fd9\u4e2a\u6392\u67e5\u8fc7\u7a0b\u624d\u662f\u6700\u4e3b\u8981\u7684\uff0c\u5927\u5bb6\u8fd8\u6709\u4ec0\u4e48\u6392\u67e5\u95ee\u9898\u7684\u5c0f tips \u4e5f\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u5206\u4eab\u3002<\/p>\n<p><a href=\"https:\/\/segmentfault.com\/a\/1190000045451399\">https:\/\/segmentfault.com\/a\/1190000045451399<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u524d\u51e0\u5929\u6392\u67e5\u4e86\u4e00\u4e2a\u4e1a\u52a1\u63a5\u53e3\u6267\u884c\u9ad8\u5ef6\u8fdf\u7684\u95ee\u9898\uff0c\u4e5f\u633a\u6709\u53c2\u8003\u610f\u4e49\u7684\uff0c\u5206\u4eab\u4e00\u4e0b\u6392\u67e5\u8fc7\u7a0b\u3002 \u73b0\u8c61\u662f\u4e1a\u52a1\u53cd\u9988\u6709\u4e00\u4e2a\u63a5\u53e3\u4e1a\u52a1\u903b [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-10020381","post","type-post","status-publish","format-standard","hentry","category-share"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020381","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10020381"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10020381\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10020381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10020381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10020381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}