{"id":418828,"date":"2021-03-17T03:05:43","date_gmt":"2021-03-16T19:05:43","guid":{"rendered":"http:\/\/4563.org\/?p=418828"},"modified":"2021-03-17T03:05:43","modified_gmt":"2021-03-16T19:05:43","slug":"%e5%85%b3%e4%ba%8e%e7%ba%bf%e4%b8%8a-oom-%e9%97%ae%e9%a2%98%e7%9a%84%e6%8e%92%e6%9f%a5%e8%af%b7%e6%95%99%e5%a4%a7%e4%bd%ac%e4%bb%ac","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=418828","title":{"rendered":"\u5173\u4e8e\u7ebf\u4e0a oom \u95ee\u9898\u7684\u6392\u67e5,\u8bf7\u6559\u5927\u4f6c\u4eec!"},"content":{"rendered":"
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\u5173\u4e8e\u7ebf\u4e0a oom \u95ee\u9898\u7684\u6392\u67e5,\u8bf7\u6559\u5927\u4f6c\u4eec! <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : killy <\/span> <\/i> 4<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5728\u4e09\u6708\u4e2d\u5f00\u59cb\u7684\u65f6\u5019,\u7ebf\u4e0a\u7a81\u7136\u7ecf\u5e38\u62a5\u51fa oom,\u521a\u5f00\u59cb\u6000\u7591\u90a3\u51e0\u5929\u63d0\u4ea4\u7684\u4ee3\u7801\u6709\u95ee\u9898,\u56e0\u4e3a\u4e4b\u524d\u6ca1\u6709\u62a5\u51fa\u6765\u8fc7. \u4ee3\u7801\u6392\u67e5\u4e86\u51e0\u904d,\u6ca1\u53d1\u73b0\u6709\u4ec0\u4e48\u95ee\u9898. \u7136\u540e\u628a oom \u65f6\u7684\u5185\u5b58\u4fe1\u606f dump \u4e0b\u6765\u4f7f\u7528 jvisumalvm \u8fdb\u884c\u5206\u6790,\u53d1\u73b0\u662f jdbc \u67e5\u8be2\u65f6,\u6709\u4e00\u4e2a DataResultSet \u5bf9\u8c61\u975e\u5e38\u5927,\u5360\u7528 1.9g \u5185\u5b58. \u611f\u89c9\u662f\u627e\u5230\u4e86\u95ee\u9898\u7684\u539f\u56e0,\u4f46\u662f\u627e\u4e0d\u5230\u95ee\u9898\u53d1\u751f\u7684\u5730\u65b9,dump \u4e0b\u6765\u4e86\u597d\u51e0\u4e2a\u5185\u5b58\u5feb\u7167,\u6bcf\u6b21 oom \u65f6\u7684\u6808\u4fe1\u606f\u90fd\u4e0d\u4e00\u6837,\u4f46\u662f\u90fd\u6709\u8fd9\u4e2a 1.9g \u7684\u5bf9\u8c61. \u56e0\u4e3a\u6570\u636e\u5e93\u6709 600 \u591a\u5f20\u8868,\u6574\u4e2a\u7cfb\u7edf\u4e1a\u52a1\u5f88\u591a,\u6839\u672c\u627e\u4e0d\u5230\u662f\u54ea\u91cc\u67e5\u8be2\u65f6\u7684\u5360\u7528\u7684\u5185\u5b58.<\/p>\n

\u7136\u540e\u5bf9\u5176\u4e2d\u4e00\u53f0\u673a\u5668\u5c1d\u8bd5\u8fc7\u8fdb\u884c jvm \u53c2\u6570\u8c03\u4f18,\u8c03\u5927\u4e86\u5806,\u5783\u573e\u56de\u6536\u5668\u6362\u6210\u4e86 CMS+ParNew,\u65e5\u5e38\u8fd9\u79cd\u5783\u573e\u56de\u6536\u5668\u8868\u73b0\u6bd4\u672a\u8c03\u4f18\u4e4b\u524d\u8981\u597d,\u4f46\u662f\u4f9d\u7136\u62a5\u51fa\u8fc7 oom,\u62a5 oom \u90a3\u6bb5\u65f6\u95f4\u4e00\u76f4 fgc,gc \u7684\u65f6\u95f4\u80fd\u8fbe\u5230\u4e09\u5343\u591a\u79d2…<\/p>\n

\u6700\u540e\u5c31\u662f\u95ee\u9898\u4e0d\u662f\u53c2\u6570\u8c03\u4f18\u53ef\u4ee5\u89e3\u51b3\u7684,\u611f\u89c9\u5c31\u662f\u4e3b\u8981\u627e\u5230\u90a3\u4e2a\u5927\u5bf9\u8c61\u7684\u4ee3\u7801\u5904,\u8fdb\u884c\u4f18\u5316. \u6c42\u6559\u5404\u4f4d\u5927\u4f6c,\u600e\u4e48\u901a\u8fc7\u5bf9\u8c61\u5b9a\u4f4d\u4ee3\u7801? \u901a\u8fc7\u4ee3\u7801\u627e\u611f\u89c9\u6709\u70b9\u56f0\u96be,\u56e0\u4e3a\u4ee3\u7801\u975e\u5e38\u591a,\u6574\u4e2a\u9879\u76ee\u542f\u52a8\u8981\u5341\u5206\u949f. \u8fd9\u79cd DataResultSet \u5bf9\u8c61\u4e5f\u662f\u5e95\u5c42\u5c01\u88c5\u597d\u7684,\u6bcf\u4e2a\u67e5\u8be2\u53ef\u80fd\u90fd\u7528\u5230\u8fd9\u4e2a\u5bf9\u8c61,\u73b0\u5728\u611f\u89c9\u4e0d\u77e5\u9053\u4ece\u54ea\u4e0b\u624b. \u4e5f\u60f3\u8fc7\u901a\u8fc7\u6570\u636e\u5e93\u91cc\u9762\u8868\u6570\u636e\u7684\u5927\u5c0f\u53bb\u53cd\u67e5\u76f8\u5173\u4ee3\u7801, \u627e\u5230\u6570\u636e\u5e93\u5927\u4e8e 1.9g \u7684\u6570\u636e\u8868,\u7136\u540e\u7740\u91cd\u67e5\u8fd9\u51e0\u4e2a\u8868\u76f8\u5173\u7684\u4ee3\u7801,\u8fd9\u79cd\u601d\u8def\u4e0d\u77e5\u9053\u884c\u4e0d\u884c\u7684\u901a?<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (17<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : Livid <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8bd5\u8bd5\u8fd9\u4e2a\uff1f<\/p>\n

    https:\/\/sentry.io\/ <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u8cc7\u6df1\u5927\u4f6c : wanguorui123 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5185\u5b58\u788e\u7247\u5316\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : chendy <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8bd5\u8bd5\u8fd9\u4e2a https:\/\/www.eclipse.org\/mat\/
    \u80fd\u770b\u5230\u5927\u5bf9\u8c61\u7684\u5f15\u7528\u5173\u7cfb\uff0c\u5e2e\u52a9\u5b9a\u4f4d <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : yeqizhang <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u901a\u8fc7\u67e5\u90a3\u4e2a\u65f6\u95f4\u70b9\u5de6\u53f3\u7684\u67e5\u8be2\u8bed\u53e5\u662f\u5426\u53ef\u884c\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : specita <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5982\u679c\u786e\u5b9a\u662f SQL \u67e5\u8be2\u7684\u7ed3\u679c\u592a\u5927\u5bfc\u81f4\u7684\uff0c\u53ef\u4ee5\u770b\u4e00\u4e0b\u6570\u636e\u5e93\u7684\u65e5\u5fd7\uff0c\u6bd4\u5982\u6162\u67e5\u8be2\u65e5\u5fd7\uff0c\u6709\u8bb0\u5f55\u6570\u636e\u5927\u5c0f\u7684\u3002
    \u6216\u8005\u5982\u679c\u7528\u7684\u662f druid \u8fde\u63a5\u6c60\uff0c\u6253\u5f00\u76d1\u63a7\u4e5f\u80fd\u770b\u5230\u76f8\u5173 SQL \u7684\u5904\u7406\u4fe1\u606f\u3002
    \u5982\u679c\u4e0d\u662f SQL \u5bfc\u81f4\u7684\uff0c\u90a3\u5c31\u662f\u5e94\u7528\u7a0b\u5e8f\u5b9e\u73b0\u7684\u95ee\u9898\u4e86\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u7528 arthas \u7ebf\u4e0a\u6392\u67e5\u4e00\u4e0b\u3002\u54ea\u4e2a\u8bf7\u6c42\u62a5\u7684 OOM \u5e94\u8be5\u77e5\u9053\u5427\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : Jooooooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u80fd\u4e0d\u80fd\u5c1d\u8bd5\u5206\u6790\u4e0b DataResultSet \u91cc\u9762\u662f\u4ec0\u4e48\u5185\u5bb9.<\/p>\n

    \u7136\u540e\u518d\u770b\u4e0b\u591a\u6b21\u53d1\u751f oom \u65f6\u95f4\u70b9\u7684\u65e5\u5fd7, \u6709\u6ca1\u6709\u56fa\u5b9a\u7684\u67e5\u8be2\u8bed\u53e5. <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u8cc7\u6df1\u5927\u4f6c : john6lq <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u76ee\u6d4b sql \u95ee\u9898 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : fantastM <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u662f\u6211\u7684\u8bdd\uff0c\u4f1a\u5148\u4ece\u6162 SQL \u65e5\u5fd7\u5f00\u59cb\u770b\u8d77 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : wakzz <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    https:\/\/wakzz.cn\/2020\/05\/01\/java\/%E8%AE%B0%E4%B8%80%E6%AC%A1%E7%94%9F%E4%BA%A7%E4%BA%8B%E6%95%85OOM%E9%97%AE%E9%A2%98%E6%8E%92%E6%9F%A5\/ <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : EminemW <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    jprofiler \u53ef\u4ee5\u770b\u5bf9\u8c61\u5185\u5bb9\uff0c\u4f60\u518d\u5230\u5012\u63a8\u51fa\u5185\u5bb9\u5b58\u5728\u90a3\u5f20\u6570\u636e\u5e93\u8868\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : ychost <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f30\u8ba1\u662f SQL \u7684\u95ee\u9898 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : lewis89 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u627e\u5230\u6cc4\u6f0f\u70b9\u7684\u6570\u636e\u7ed3\u6784 \u901a\u5e38\u662f GCRoots\uff0c
    \u7136\u540e\u5347\u7ea7\u4e00\u4e0b\u4f9d\u8d56\u7684\u7248\u672c \u770b\u770b\u4e4b\u524d\u7684\u4f9d\u8d56\u7248\u672c release log \u91cc\u9762\u662f\u4e0d\u662f\u6709\u89e3\u51b3 OOM \u7684\u95ee\u9898 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : lewis89 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u80fd\u786e\u8ba4 DataResultSet \u5c31\u662f GCRoots? <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : lewis89 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u50cf OOM \u8fd9\u79cd\u95ee\u9898 \u7528 MAT \u5206\u6790\u4e00\u4e0b\u57fa\u672c\u4e0a\u5c31\u80fd\u5b9a\u4f4d\u5230\u6cc4\u6f0f\u70b9\u4e86\uff0c\u7136\u540e\u4e0a\u7f51\u627e\u627e\u662f\u4e0d\u662f\u6709\u7c7b\u4f3c\u7684\u6cc4\u6f0f\u60c5\u51b5\uff0c\u627e\u4e0d\u5230\u6700\u540e\u518d\u53bb\u5904\u7406\uff0c\u4e00\u822c\u6cc4\u6f0f\u70b9\u90fd\u662f \u6846\u67b6\u7684\u4ee3\u7801\uff0c\u4e1a\u52a1\u4ed4\u81ea\u5df1 new \u7684\u5bf9\u8c61 \u4e00\u822c\u6d3b\u4e0d\u8fc7\u4e24\u8f6e GC <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : xuanbg <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5728\u5185\u5b58\u91cc\u9762\u627e\u5230\u4e86 1.9G \u7684\u5bf9\u8c61\uff0c\u5c31\u731c\u4e0d\u51fa\u662f\u54ea\u5f20\u8868\u7684\u6570\u636e\uff1f\u627e\u5230\u8868\u5c31\u80fd\u627e\u5230\u8bfb\u6570\u636e\u7684\u4ee3\u7801\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : securityCoding <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6309\u6211\u7684\u7ecf\u9a8c\u6765\u770b mat \u5bfc\u8fdb\u53bb\uff0c\u4e00\u822c\u5c31\u80fd\u51c6\u786e\u5b9a\u4f4d\u5230\u5185\u5b58\u6cc4\u6f0f\u4ee3\u7801\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : wapzjn <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u60f3\u8d77\u4e86\u4ee5\u524d\u4e00\u4e2a\u540c\u4e8b\u8c03\u7528\u522b\u4eba\u63a5\u53e3\u5fd8\u8bb0\u4e86\u4f20\u9012\u5206\u9875\u4fe1\u606f\uff0c\u6b63\u597d\u63a5\u53e3\u7684\u5f00\u53d1\u540c\u4e8b\u4e5f\u6ca1\u6709\u5904\u7406\u6ca1\u6709\u5206\u9875\u4fe1\u606f\u65f6\u7684\u573a\u666f\uff0c\u7136\u540e\u7528\u6237\u4e00\u67e5\u8be2 OOM <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    \u5173\u4e8e\u7ebf\u4e0a oom \u95ee\u9898\u7684\u6392\u67e5,\u8bf7\u6559…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/418828"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=418828"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/418828\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=418828"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=418828"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=418828"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}