{"id":131239,"date":"2022-11-10T16:14:35","date_gmt":"2022-11-10T08:14:35","guid":{"rendered":"http:\/\/www.idc.net\/help\/131239\/"},"modified":"2022-11-10T16:14:35","modified_gmt":"2022-11-10T08:14:35","slug":"%e8%bd%bb%e6%9d%be%e5%ad%a6%e4%bc%9a%e5%9c%a8linux%e4%b8%ad%e5%ae%89%e8%a3%85jstat-jstat-%e5%ae%89%e8%a3%85-linux","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/131239\/","title":{"rendered":"\u8f7b\u677e\u5b66\u4f1a\u5728Linux\u4e2d\u5b89\u88c5jstat (jstat \u5b89\u88c5 linux)"},"content":{"rendered":"<p>\u5b66\u4e60\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u5b89\u88c5jstat\u662fLinux\u7ba1\u7406\u5458\u5fc5\u987b\u638c\u63e1\u7684\u6280\u80fd\u4e4b\u4e00\u3002 jstat\u662fJava Virtual Machine\uff08JVM\uff09\u7edf\u8ba1\u76d1\u89c6\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u4f7f\u7528Java\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u76d1\u63a7\u548c\u8c03\u6574\u3002<\/p>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u6307\u5bfc\u60a8\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u5b89\u88c5jstat\u3002\u6211\u4eec\u5c06\u4ecb\u7ecd\u5982\u4f55\u4e0b\u8f7d\u548c\u5b89\u88c5Java Development Kit\uff08JDK\uff09\uff0c\u5e76\u4f7f\u7528\u5b83\u6765\u5b89\u88c5jstat\u3002\u6211\u4eec\u8fd8\u5c06\u5411\u60a8\u5c55\u793a\u5982\u4f55\u5728Linux\u7ec8\u7aef\u4e0a\u4f7f\u7528jstat\u547d\u4ee4\u6765\u76d1\u89c6\u548c\u5206\u6790Java\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u6307\u6807\u3002<\/p>\n<p>\u5b89\u88c5JDK<\/p>\n<p>\u5728\u5b89\u88c5jstat\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u5148\u5b89\u88c5JDK\u3002 JDK\uff08Java Development Kit\uff09\u662f\u4e00\u4e2aJava\u5f00\u53d1\u73af\u5883\uff0c\u5b83\u5141\u8bb8\u60a8\u7f16\u5199\u548c\u4f7f\u7528Java\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u5728Linux\u4e0a\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u5b89\u88c5OpenJDK\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>sudo yum install java-1.8.0-openjdk-devel<\/p>\n<p>\u201c`<\/p>\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u6210\u529f\u5b89\u88c5\u4e86JDK\u3002<\/p>\n<p>\u5b89\u88c5jstat<\/p>\n<p>\u8981\u5b89\u88c5jstat\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n<p>1. \u6253\u5f00\u7ec8\u7aef\u5e76\u5207\u6362\u5230root\u7528\u6237\u3002\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>su \u2013<\/p>\n<p>\u201c`<\/p>\n<p>2. \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u4e0b\u8f7djstat\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>wget https:\/\/github.com\/eleks\/eleks-devops\/raw\/master\/Lectures\/18.%20JVM%20Garbage%20Collection%20and%20Monitoring\/jdk8\/jstat<\/p>\n<p>\u201c`<\/p>\n<p>3. \u5c06jstat\u6587\u4ef6\u590d\u5236\u5230\/usr\/bin\/\u76ee\u5f55\u4e2d\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>cp jstat \/usr\/bin\/<\/p>\n<p>\u201c`<\/p>\n<p>4. \u8d4b\u4e88jstat\u6587\u4ef6\u6267\u884c\u6743\u9650\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>chmod +x \/usr\/bin\/jstat<\/p>\n<p>\u201c`<\/p>\n<p>\u73b0\u5728\uff0c\u60a8\u5df2\u7ecf\u6210\u529f\u5b89\u88c5\u4e86jstat\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728Linux\u7ec8\u7aef\u4e0a\u4f7f\u7528\u5b83\u6765\u76d1\u89c6Java\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<p>\u4f7f\u7528jstat<\/p>\n<p>jstat\u662f\u4e00\u4e2a\u547d\u4ee4\u884c\u5de5\u5177\uff0c\u5141\u8bb8\u60a8\u76d1\u89c6Java Virtual Machine\uff08JVM\uff09\u7684\u6027\u80fd\u6307\u6807\u3002\u4ee5\u4e0b\u662fjstat\u7684\u7528\u6cd5\u793a\u4f8b\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>jstat \u2013 [-t] [-h] [ []]<\/p>\n<\/p>\n<p>\u201c`<\/p>\n<p>\u5176\u4e2d\uff0c\u6307\u5b9a\u8981\u68c0\u7d22\u7684\u6307\u6807\uff0c\u4f8b\u5982gcutil\uff08\u5783\u573e\u56de\u6536\u4f7f\u7528\u60c5\u51b5\uff09\u3001class\uff08\u7c7b\u52a0\u8f7d\uff09\u3001compiler\uff08\u5373\u65f6\u7f16\u8bd1\u5668\u4f7f\u7528\u60c5\u51b5\uff09\u7b49\u3002<\/p>\n<p>\u4f8b\u5982\uff0c\u4ee5\u4e0b\u547d\u4ee4\u5c06\u6bcf\u79d2\u8f93\u51fa\u4e00\u6b21gcutil\uff0c\u5171\u8f93\u51fa10\u6b21\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>jstat -gcutil 12345 1s 10<\/p>\n<p>\u201c`<\/p>\n<p>\u5728\u4e0a\u9762\u7684\u547d\u4ee4\u4e2d\uff0c12345\u662fJVM\u8fdb\u7a0b\u7684\u8fdb\u7a0bID\u3002\u5982\u679c\u60a8\u4e0d\u77e5\u9053JVM\u8fdb\u7a0bID\uff0c\u8bf7\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u68c0\u7d22\u5b83\uff1a<\/p>\n<p>\u201c`<\/p>\n<p>jps -l<\/p>\n<p>\u201c`<\/p>\n<p>\u8fd9\u5c06\u8f93\u51faJVM\u8fdb\u7a0b\u7684\u8fdb\u7a0bID\u548c\u8fdb\u7a0b\u540d\u79f0\u3002<\/p>\n<p>\u5728\u60a8\u719f\u6089jstat\u7684\u7528\u6cd5\u5e76\u638c\u63e1\u57fa\u672c\u7684\u76d1\u89c6\u6307\u6807\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u66f4\u9ad8\u7ea7\u7684\u6307\u6807\u6765\u76d1\u89c6\u548c\u5206\u6790Java\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002<\/p>\n<p>jstat\u662f\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u76d1\u89c6Java\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u6307\u6807\u3002\u4f7f\u7528\u7b80\u5355\u7684\u547d\u4ee4\u884c\u9009\u9879\uff0c\u60a8\u53ef\u4ee5\u68c0\u7d22\u5e76\u5206\u6790\u5404\u79cd\u6027\u80fd\u6307\u6807\uff0c\u4f8b\u5982\u5783\u573e\u56de\u6536\u4f7f\u7528\u72b6\u51b5\u3001\u7c7b\u52a0\u8f7d\u60c5\u51b5\u7b49\u3002<\/p>\n<p><strong>\u76f8\u5173\u95ee\u9898\u62d3\u5c55\u9605\u8bfb\uff1a<\/strong><\/p>\n<ul>\n<li>JVM\u5e38\u7528\u8c03\u8bd5\u5de5\u5177\u4ecb\u7ecd<\/li>\n<\/ul>\n<h3>JVM\u5e38\u7528\u8c03\u8bd5\u5de5\u5177\u4ecb\u7ecd<\/h3>\n<p>\u4e00\u3001Linux ps \uff08\u82f1\u6587\u5168\u62fc\uff1aprocess status\uff09\u547d\u4ee4\u7528\u4e8e\u663e\u793a\u5f53\u524d\u8fdb\u7a0b\u7684\u72b6\u6001<\/p>\n<p> ps aux \u57fa\u672c\u8f93\u51fa<\/p>\n<p> ps aux \u5217\u540d\u89e3\u91ca<\/p>\n<p> \u6ce8\uff1a\u4f18\u5316\u673a\u5668\u8d44\u6e90\u4e3b\u8981\u4ece\u5360\u7528\u673a\u5668cpu\u548cmem\u9ad8\u7684\u7a0b\u5e8f\u5165\u624b<\/p>\n<p> \u4e8c\u3001Linux top\u547d\u4ee4\u67e5\u770b\u6b63\u5728\u8fd0\u884c\u7684\u8fdb\u7a0b\u548c\u7cfb\u7edf\u8d1f\u8f7d\u4fe1\u606f\uff0c\u5305\u62eccpu\u8d1f\u8f7d\u3001\u5185\u5b58\u4f7f\u7528\u3001\u7b80\u91ce\u5404\u4e2a\u8fdb\u7a0b\u6240\u5360\u7cfb\u7edf\u8d44\u6e90\u7b49<\/p>\n<p> \u57fa\u672c\u8f93\u51fa<\/p>\n<p> \u5b57\u6bb5\u89e3\u91ca<\/p>\n<p> \u4e09\u3001Linux top -H -p pid\u3002\u67e5\u770b\u67d0\u4e2a\u8fdb\u7a0b\u5185\u90e8\u7ebf\u7a0b\u5360\u7528\u60c5\u51b5<\/p>\n<p> \u56db\u3001jps(Java Virtual Machine Process Status Tool) \u662fjava\u63d0\u4f9b\u7684\u4e00\u4e2a\u663e\u793a\u5f53\u524d\u6240\u6709java\u8fdb\u7a0bpid\u7684\u547d\u4ee4<\/p>\n<p> \u4e94\u3001jinfo LVMID\u3002\u53ef\u4ee5\u7528\u6765\u67e5\u770b Java \u8fdb\u7a0b\u8fd0\u884c\u7684 JVM \u53c2\u6570<\/p>\n<p> \u516d\u3001jstat(Java Virtual Machine statistics monitoring tool)\u4e3b\u8981\u5229\u7528JVM\u5185\u5efa\u7684\u6307\u4ee4\u5bf9Java\u5e94\u7528\u7a0b\u5e8f\u7684\u8d44\u6e90\u548c\u6027\u80fd\u8fdb\u884c\u5b9e\u65f6\u7684\u547d\u4ee4\u884c\u7684\u76d1\u63a7\uff0c\u5305\u62ec\u4e86\u5bf9Heap size\u548c\u5783\u573e\u56de\u6536\u72b6\u51b5\u7684\u76d1\u63a7\u3002\u53ef\u89c1\uff0cJstat\u662f\u8f7b\u91cf\u7ea7\u7684\u3001\u4e13\u95e8\u9488\u5bf9JVM\u7684\u5de5\u5177\uff0c\u975e\u5e38\u9002\u7528<\/p>\n<p> \u4e03\u3001jstack\uff08Java Stack Trace Tool\uff09\u4e3b\u8981\u7528\u4e8e\u751f\u6210java\u865a\u62df\u673a\u5f53\u524d\u65f6\u523b\u7684\u7ebf\u7a0b\u5feb\u7167\u3002\u7ebf\u7a0b\u5feb\u7167\u662f\u5f53\u524djava\u865a\u62df\u673a\u5185\u6bcf\u4e00\u6761\u7ebf\u7a0b\u6b63\u5728\u6267\u884c\u7684\u65b9\u6cd5\u5806\u6808\u7684\uff0c\u751f\u6210\u7ebf\u7a0b\u5feb\u7167\u7684\u4e3b\u8981\u76ee\u7684\u662f\u5b9a\u4f4d\u7ebf\u7a0b\u51fa\u73b0\u957f\u65f6\u95f4\u505c\u987f\u7684\u539f\u56e0\uff0c\u5982\u7ebf\u7a0b\u95f4\u6b7b\u9501\u3001\u6b7b\u5faa\u73af\u3001\u8bf7\u6c42\u5916\u90e8\u9690\u5907\u8d44\u6e90\u5bfc\u81f4\u7684\u957f\u65f6\u95f4\u7b49\u5f85\u7b49\u3002 \u7ebf\u7a0b\u51fa\u73b0\u505c\u987f\u7684\u65f6\u5019\u901a\u8fc7jstack\u6765\u67e5\u770b\u5404\u4e2a\u7ebf\u7a0b\u7684\u8c03\u7528\u5806\u6808\uff0c\u5c31\u53ef\u4ee5\u77e5\u9053\u6ca1\u6709\u54cd\u5e94\u7684\u7ebf\u7a0b\u5230\u5e95\u5728\u540e\u53f0\u505a\u4ec0\u4e48\u4e8b\u60c5\uff0c\u7076\u5490\u6bc1\u6216\u8005\u7b49\u5f85\u4ec0\u4e48\u8d44\u6e90<\/p>\n<p> \u516b\u3001jmap\u547d\u4ee4(Java Memory Map)\u662f\u5176\u4e2d\u4e4b\u4e00\u3002\u4e3b\u8981\u7528\u4e8e\u6253\u5370\u6307\u5b9aJava\u8fdb\u7a0b(\u6216\u6838\u5fc3\u6587\u4ef6\u3001\u8fdc\u7a0b\u8c03\u8bd5\u670d\u52a1\u5668)\u7684\u5171\u4eab\u5bf9\u8c61\u5185\u5b58\u6620\u5c04\u6216\u5806\u5185\u5b58\u7ec6\u8282<\/p>\n<p> \u4e5d\u3001MAT(Memory Analysis Tools)\u662f\u4e00\u4e2a\u5206\u6790 Java\u5806\u6570\u636e\u7684\u4e13\u4e1a\u5de5\u5177\uff0c\u7528\u5b83\u53ef\u4ee5\u5b9a\u4f4d\u5185\u5b58\u6cc4\u6f0f\u7684\u539f\u56e0<\/p>\n<\/p>\n<p> \u6b64\u6b21\u5206\u4eab\u51c6\u5907\u8fc7\u7a0b\u4e2d\uff0c\u53d1\u73b0JDK\u8c03\u8bd5\u5de5\u5177\u5728Root\u7528\u6237\u4e0b\u8bbf\u95eeYarn\u7528\u6237\u542f\u52a8\u7684Java\u865a\u62df\u673a\uff0c\u83b7\u53d6\u4e0d\u5230\u4fe1\u606f\uff0cjstatck\u83b7\u53d6\u5230\u7684\u8fd8\u4e0d\u5168\uff08\u6ca1\u6709\u7ebf\u7a0b\u63cf\u8ff0\u4fe1\u606f\u884c\uff09<\/p>\n<p> \u53ef\u4ee5\u4f7f\u7528 sudo -u yarn \/usr\/java\/jdk1.8.0_181-cloudera\/bin\/jstack \u8fd9\u79cd\u65b9\u5f0f\u83b7\u53d6\u3002<\/p>\n<p>jstat \u5b89\u88c5 linux\u7684\u4ecb\u7ecd\u5c31\u804a\u5230\u8fd9\u91cc\u5427\uff0c\u611f\u8c22\u4f60\u82b1\u65f6\u95f4\u9605\u8bfb\u672c\u7ad9\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8ejstat \u5b89\u88c5 linux,\u8f7b\u677e\u5b66\u4f1a\u5728Linux\u4e2d\u5b89\u88c5jstat,JVM\u5e38\u7528\u8c03\u8bd5\u5de5\u5177\u4ecb\u7ecd\u7684\u4fe1\u606f\u522b\u5fd8\u4e86\u5728\u672c\u7ad9\u8fdb\u884c\u67e5\u627e\u5594\u3002<\/p>\n<p><a href=\"http:https:\/\/idc.net\/\">\u9999\u6e2f\u670d\u52a1\u5668<\/a>\u9996\u9009\u540e\u6d6a\u4e91\uff0c2H2G\u9996\u670810\u5143\u5f00\u901a\u3002<br \/>\u540e\u6d6a\u4e91\uff08www.IDC.Net\uff09\u63d0\u4f9b\u7b80\u5355\u597d\u7528\uff0c\u4ef7\u683c\u539a\u9053\u7684\u9999\u6e2f\/\u7f8e\u56fd\u4e91\u670d\u52a1\u5668\u548c\u72ec\u7acb\u670d\u52a1\u5668\u3002IDC+ISP+ICP\u8d44\u8d28\u3002ARIN\u548cAPNIC\u4f1a\u5458\u3002\u6210\u719f\u6280\u672f\u56e2\u961f15\u5e74\u884c\u4e1a\u7ecf\u9a8c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5b66\u4e60\u5982\u4f55\u5728Linux\u7cfb\u7edf\u4e2d\u5b89\u88c5jstat\u662fLinux\u7ba1\u7406\u5458\u5fc5\u987b\u638c\u63e1\u7684\u6280\u80fd\u4e4b\u4e00\u3002 jstat\u662fJava Virt [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-131239","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/131239","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=131239"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/131239\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=131239"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=131239"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=131239"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}