{"id":150290,"date":"2020-09-02T21:13:22","date_gmt":"2020-09-02T13:13:22","guid":{"rendered":"http:\/\/4563.org\/?p=150290"},"modified":"2020-09-02T21:13:22","modified_gmt":"2020-09-02T13:13:22","slug":"elasticsearch-java-%e7%9a%84-cpu-%e5%8d%a0%e7%94%a8%e5%a5%87%e9%ab%98%ef%bc%8c-cpu-%e5%87%a0%e4%b9%8e-100%e7%9a%84%e4%bd%bf%e7%94%a8%e7%8e%87%e4%ba%86%ef%bc%8c%e6%80%8e%e4%b9%88%e6%8e%92%e6%9f%a5","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=150290","title":{"rendered":"Elasticsearch Java \u7684 CPU \u5360\u7528\u5947\u9ad8\uff0c CPU \u51e0\u4e4e 100%\u7684\u4f7f\u7528\u7387\u4e86\uff0c\u600e\u4e48\u6392\u67e5\u539f\u56e0\uff1f"},"content":{"rendered":"
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Elasticsearch Java \u7684 CPU \u5360\u7528\u5947\u9ad8\uff0c CPU \u51e0\u4e4e 100%\u7684\u4f7f\u7528\u7387\u4e86\uff0c\u600e\u4e48\u6392\u67e5\u539f\u56e0\uff1f <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : kisshere <\/span> <\/i> 16<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u670d\u52a1\u5668\u4e00\u76f4\u4ee5\u6765\u8bf7\u6c42\u6570\u51e0\u4e4e\u6ca1\u5565\u53d8\u5316\uff0c\u4f46\u662f ES \u7684 java cpu \u4f7f\u7528\u7387\u7a81\u7136\u98d9\u5347\uff0ctop \u547d\u4ee4\u4e00\u67e5\uff0cCPU \u51e0\u4e4e 100%\uff0c\u600e\u4e48\u6392\u67e5\u662f\u54ea\u65b9\u9762\u9020\u6210\u7684\uff1f\u4ee5\u53ca\u5982\u4f55\u627e\u51fa\u6076\u610f\u7684\u6279\u91cf\u66b4\u529b\u8bf7\u6c42\uff1f<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (10<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : zhangxudong <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53ef\u4ee5\u770b\u4e0b hot threads <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : gabon <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    threaddump <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Jooooooooo <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    top -H -p <pid><\/p>\n

    \u627e\u5230\u5bf9\u5e94\u8fdb\u7a0b\u91cc\u5360\u7528\u9ad8\u7684\u7ebf\u7a0b<\/p>\n

    \u7136\u540e jstack grep \u8fd9\u4e9b\u7ebf\u7a0b, \u6ce8\u610f\u8fdb\u5236\u8f6c\u6362, \u4e0a\u9762\u770b\u89c1\u7684\u8fdb\u7a0b\u53f7\u662f\u5341\u8fdb\u5236\u7684, jstack \u91cc\u7684\u8fdb\u7a0b\u53f7\u662f\u5341\u516d\u8fdb\u5236\u7684 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : lff0305 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    jmap \u770b\u4e0b\u662f\u4e0d\u662f heap \u6ee1\u4e86\uff0c100%\u662f\u5728\u4e0d\u505c\u7684\u505a GC \uff08\u6309\u4e09\u7684\u65b9\u6cd5\uff0c\u4f1a\u770b\u5230\u662f GC Thread \u5728\u5360 cpu) <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Morriaty <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5b98\u65b9\u63a8\u8350\u7684 debug \u65b9\u5f0f\u4e5f\u662f _cat\/hot_threads\uff0c\u4f46\u8fd9\u73a9\u610f\u7684\u8f93\u51fa\u4e0d\u662f\u8d44\u6df1 es \u4e13\u5bb6\u771f\u7684\u5f88\u96be\u770b\u61c2<\/p>\n

    \u5efa\u8bae\u8fd8\u662f\u89c2\u5bdf kibana \u7684 monitor \u4fe1\u606f\uff0c\u4ee5\u53ca\u89c2\u5bdf gc log \u3001slow log \u4e4b\u7c7b\u7684 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : Navee <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5148\u770b GC\uff0cGC \u6ca1\u95ee\u9898\u770b\u7cfb\u7edf IO \uff08\u78c1\u76d8\u3001\u7f51\u7edc\uff09 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : yuxianghe <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e2a\u539f\u56e0\u6709\u5f88\u591a\uff0c\u6211\u524d\u6bb5\u65f6\u95f4\u4e5f\u6392\u67e5\u8fc7\u4e00\u8d77\u8fd9\u79cd\u95ee\u9898\uff0c\u53ef\u4ee5\u53c2\u8003\u6211\u7684\u535a\u5ba2
    https:\/\/my.oschina.net\/110NotFound\/blog\/4311256 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : TuGai <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    https:\/\/github.com\/jvm-profiling-tools\/async-profiler
    `\/profiler.sh -d 10 -e cpu -f .\/flamegraph.svg <PID>` \u4e00\u884c\u547d\u4ee4\u76f4\u63a5\u751f\u6210\u70ed\u70b9\u65b9\u6cd5\u7684\u706b\u7130\u56fe <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : jaylee4869 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    elastic \u5b98\u7f51\u7684\u6743\u5a01\u6307\u5357\uff1a
    https:\/\/www.elastic.co\/guide\/cn\/elasticsearch\/guide\/current\/heap-sizing.html
    \u673a\u5668\u81f3\u5c11\u8981\u5206\u914d\u4e00\u534a\u5185\u5b58\u7ed9 Lucene \u3001\u7981\u7528 swap \u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : artifact <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6211\u4eec\u8fd9\u8fb9\u6700\u8fd1\u4e5f\u9047\u5230\u4e86\u8fd9\u4e2a\u95ee\u9898,\u53d1\u73b0\u662f\u4e0a\u5bb9\u5668\u4e4b\u540e,es \u6ca1\u529e\u6cd5\u6b63\u786e\u83b7\u53d6\u5bb9\u5668\u6838\u5fc3\u6570, \u8bbe\u7f6e\u4e86\u8fc7\u5927\u7684\u7ebf\u7a0b\u6c60,\u521b\u5efa\u8fc7\u591a\u7ebf\u7a0b\u5bfc\u81f4 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    Elasticsearch Jav…<\/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\/150290"}],"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=150290"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/150290\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=150290"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=150290"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=150290"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}