{"id":915,"date":"2014-05-15T22:14:51","date_gmt":"2014-05-15T14:14:51","guid":{"rendered":"http:\/\/coderbee.net\/?p=915"},"modified":"2014-05-15T22:20:52","modified_gmt":"2014-05-15T14:20:52","slug":"java-se-6-%e6%95%85%e9%9a%9c%e6%8e%92%e9%99%a4%e6%8c%87%e5%8d%97-1%e3%80%81%e8%af%8a%e6%96%ad%e5%b7%a5%e5%85%b7%e5%92%8c%e9%80%89%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/coderbee.net\/index.php\/jvm\/20140515\/915","title":{"rendered":"Java SE 6 \u6545\u969c\u6392\u9664\u6307\u5357 – 1\u3001\u8bca\u65ad\u5de5\u5177\u548c\u9009\u9879"},"content":{"rendered":"

\u82f1\u6587\u5b8c\u6574\u6587\u6863\uff1ahttp:\/\/www.oracle.com\/technetwork\/java\/javase\/tsg-vm-149989.pdf<\/a><\/p>\n

\u8bca\u65ad\u5de5\u5177\u548c\u9009\u9879<\/h1>\n

\u8fd9\u7ae0\u4ecb\u7ecd\u4e86JDK 6 \u548c Java SE6 \u91cc\u4e0d\u540c\u7684\u8bca\u65ad\u548c\u76d1\u89c6\u5de5\u5177\u3002\u8fd9\u4e9b\u5de5\u5177\u5728\u7b2c\u4e8c\u7ae0\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n

\u9644\u5f55 D \u5217\u51fa\u4e86\u8fd9\u4e2a\u53d1\u5e03\u91cc\u7684\u53ef\u7528\u5de5\u5177\uff0c\u8fd8\u6709\u4e0a\u6b21\u53d1\u5e03\u4ee5\u6765\u7684\u6539\u53d8\u3002<\/p>\n

\u6ce8\u610f\uff1a\u672c\u7ae0\u63cf\u8ff0\u7684\u4e00\u4e9b\u547d\u4ee4\u884c\u5de5\u5177\u662f\u5b9e\u9a8c\u6027\u7684\u3002\u4f8b\u5982 jstack, jinfo, jmap<\/code> \u5c31\u662f\u5b9e\u9a8c\u6027\u7684\u3002\u8fd9\u4e9b\u5de5\u5177\u53ef\u80fd\u5728\u5c06\u6765\u7684JDK\u53d1\u5e03\u91cc\u6539\u53d8\uff0c\u6216\u8005\u4e0d\u5305\u62ec\u5728\u5c06\u6765\u7684\u53d1\u5e03\u91cc\u3002<\/p>\n

<\/p>\n

1.1 \u524d\u8a00<\/h2>\n

\u672c\u7ae0\u4ecb\u7ecd\u7684\u5927\u591a\u6570\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f\uff08utilities \uff09\u8981\u4e48\u5305\u62ec\u5728JDK\u53d1\u5e03\u91cc\uff0c\u8981\u4e48\u662f\u64cd\u4f5c\u7cfb\u7edf\u5de5\u5177\uff08tools\uff09\u548c\u5b9e\u7528\u7a0b\u5e8f \uff08utilities \uff09\u3002\u867d\u7136JDK\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f\uff08utilities \uff09\u5305\u62ec\u5728JDK\u4e0b\u8f7d\u91cc\uff0c\u5f88\u91cd\u8981\u7684\u662f\u8981\u6ce8\u610f\u5230\u5b83\u4eec\u53ef\u7528\u4e8e\u8bca\u65ad\u8bae\u9898\uff08issues\uff09\u548c\u76d1\u89c6\u90e8\u7f72\u5728Java \u8fd0\u884c\u65f6\u73af\u5883\uff08JRE\uff09\u4e0b\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n

\u901a\u5e38\uff0c\u672c\u7ae0\u63cf\u8ff0\u7684\u8bca\u65ad\u5de5\u5177\u548c\u9009\u9879\u4f7f\u7528\u4e0d\u540c\u7684\u673a\u5236\u6765\u83b7\u53d6\u5b83\u4eec\u62a5\u544a\u7684\u4fe1\u606f\u3002\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u8fd9\u4e9b\u673a\u5236\u662f\u7279\u5b9a\u4e8e\u865a\u62df\u673a\u5b9e\u73b0\u3001\u64cd\u4f5c\u7cfb\u7edf\u548c\u5b83\u4eec\u7684\u4e0d\u540c\u7248\u672c\u3002\u56e0\u6b64\uff0c\u6709\u4e9b\u5de5\u5177\u62a5\u544a\u7684\u4fe1\u606f\u662f\u6709\u91cd\u53e0\u7684\u3002\u8fd9\u4f1a\u5728\u8fd9\u4e9b\u5de5\u5177\u51c6\u5907\uff08\u8bca\u65ad\uff09\u7684\u4e0d\u540c\u96be\u9898\uff08problems\uff09\u548c\u8bae\u9898\uff08issues\uff09\u7684\u4e0a\u4e0b\u6587\u73af\u5883\u91cc\u770b\u5230\u3002\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u53ea\u6709\u4e00\u4e9b\u5de5\u5177\u7684\u5b50\u96c6\u5408\u53ef\u7528\u4e8e\u7ed9\u5b9a\u7684\u8bae\u9898issues\uff0c\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u70b9\u3002<\/p>\n

1.1.1 \u5e26 -XX<\/code> \u7684\u547d\u4ee4\u884c\u9009\u9879<\/h3>\n

\u524d\u7f00\u4e86 -XX<\/code> \u7684\u547d\u4ee4\u884c\u9009\u9879\u662f\u7279\u5b9a\u4e8e HotSpot VM \u7684\u3002\u5f88\u591a\u9009\u9879\u5bf9\u6027\u80fd\u8c03\u4f18\u548c\u8bca\u65ad\u76ee\u7684\u662f\u5f88\u91cd\u8981\u7684\uff0c\u56e0\u6b64\u5c06\u5728\u672c\u6307\u5357\u91cc\u63cf\u8ff0\u3002<\/p>\n

\u7136\u800c\uff0c\u6ce8\u610f\u5230\u8fd9\u4e9b -XX<\/code> \u9009\u9879\u4e0d\u662f Java API \u7684\u4e00\u90e8\u5206\u5e76\u80fd\u5728\u4e0d\u540c\u7684\u53d1\u5e03\u91cc\u53d8\u5316\u662f\u5f88\u91cd\u8981\u7684\u3002<\/p>\n

1.1.2 \u9650\u5236<\/h3>\n

\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u8fd9\u91cc\u63cf\u8ff0\u7684\u5de5\u5177\u53ea\u80fd\u5728\u67d0\u4e9b\u64cd\u4f5c\u7cfb\u7edf\u4e0a\u53ef\u7528\u3002\u53e6\u5916\uff0cSolaris 10 OS \u5f15\u5165\u4e86\u5f88\u591a\u9ad8\u7ea7\u7684\u8bca\u65ad\u7279\u6027\u548c\u5de5\u5177\uff0c\u53ef\u7528\u4e8e\u751f\u4ea7\u73af\u5883\uff0c\u5f88\u591a\u672c\u5730\u5de5\u5177\u6709\u80fd\u529b\u63d0\u4f9b JRE \u7279\u5b9a\u7684\u4fe1\u606f\u3002<\/p>\n

\u65e5\u5fd7\u6587\u4ef6\u683c\u5f0f\u548c\u547d\u4ee4\u884c\u5b9e\u7528\u7a0b\u5e8f\u548c\u9009\u9879\u7684\u8f93\u51fa\u662f\u7248\u672c\u7279\u5b9a\u7684\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u5f00\u53d1\u4e86\u4e00\u4e2a\u4f9d\u8d56\u4e8e\u81f4\u547d\u9519\u8bef\u65e5\u5fd7\u7684\u683c\u5f0f\u7684\u811a\u672c\uff0c\u8fd9\u4e2a\u811a\u672c\u53ef\u80fd\u4e0d\u5982\u9884\u671f\u90a3\u6837\u5de5\u4f5c\uff0c\u5982\u679c\u5c06\u6765\u65e5\u5fd7\u6587\u4ef6\u683c\u5f0f\u6539\u53d8\u4e86\u3002<\/p>\n

1.1.3 \u5f00\u53d1\u65b0\u5de5\u5177<\/h3>\n

\u9664\u4e86\u8fd9\u7bc7\u63cf\u8ff0\u7684\u5de5\u5177\uff0c\u4f60\u53ef\u4ee5\u7528JDK\u63d0\u4f9b\u7684API\u5f00\u53d1\u65b0\u7684\u5de5\u5177\u3002<\/p>\n

1.2 \u5de5\u5177\u3001\u9009\u9879\u548c\u547d\u4ee4 \u6982\u8981<\/h2>\n

\u5de5\u5177\u548c\u9009\u9879\u5206\u4e3a\u4e0b\u9762\u7684\u5206\u7c7b\uff0c\u7279\u5b9a\u7684\u5de5\u5177\u53ef\u80fd\u8fdb\u5165\u591a\u4e2a\u5206\u7c7b\u3002\u5de5\u5177\u548c\u9009\u9879\u5728\u540e\u9762\u7ae0\u8282\u8be6\u7ec6\u63cf\u8ff0\u3002<\/p>\n

    \n
  • \u4e8b\u540e\u8bca\u65ad\u3002\u8fd9\u4e9b\u5de5\u5177\u548c\u9009\u9879\u7528\u4e8e\u5728\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u540e\u8bca\u65ad\u96be\u9898\u3002<\/li>\n
  • \u6302\u8d77\u7684\u8fdb\u7a0b\u3002\u8fd9\u4e9b\u5de5\u5177\u7528\u4e8e\u8c03\u67e5\u6302\u8d77\u7684\u6216\u6b7b\u9501\u8fdb\u7a0b\u3002<\/li>\n
  • \u76d1\u89c6\u3002\u8fd9\u4e9b\u5de5\u5177\u7528\u4e8e\u76d1\u89c6\u6b63\u5728\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/li>\n
  • \u5176\u4ed6\u3002\u8fd9\u4e9b\u5de5\u5177\u548c\u9009\u9879\u7528\u4e8e\u8f85\u52a9\u8bca\u65ad\u5176\u4ed6\u8bae\u9898issues\u3002<\/li>\n
  • \u64cd\u4f5c\u7cfb\u7edf\u5de5\u5177\u3002\u8fd9\u4e9b\u5de5\u5177\u7531\u7279\u5b9a\u7684\u64cd\u4f5c\u7cfb\u7edf\u63d0\u4f9b\u3002<\/li>\n<\/ul>\n

    1.2.1 \u7528\u4e8e\u4e8b\u540e\u8bca\u65ad\u7684\u5de5\u5177\u548c\u9009\u9879<\/h3>\n

    \u672c\u8282\u603b\u7ed3\u7684\u9009\u9879\u548c\u5de5\u5177\u88ab\u8bbe\u8ba1\u7528\u4e8e\u4e8b\u540e\u8bca\u65ad\u3002\u5982\u679c\u5e94\u7528\u7a0b\u5e8f\u5d29\u6e83\u4e86\uff0c\u8fd9\u4e9b\u9009\u9879\u548c\u5de5\u5177\u53ef\u7528\u4e8e\u83b7\u53d6\u989d\u5916\u7684\u4fe1\u606f\uff0c\u5728\u5d29\u6e83\u53d1\u751f\u65f6\u6216\u4e4b\u540e\u4f7f\u7528\u5d29\u6e83dump\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u5de5\u5177\u6216\u9009\u9879<\/td>\n\u63cf\u8ff0\u548c\u7528\u6cd5<\/td>\n<\/tr>\n
    \u81f4\u547d\u9519\u8bef\u65e5\u5fd7<\/td>\n\u5f53\u81f4\u547d\u9519\u8bef\u53d1\u751f\u65f6\uff0c\u4e00\u4e2a\u9519\u8bef\u65e5\u5fd7\u5c06\u88ab\u521b\u5efa\u3002\u8fd9\u4e2a\u6587\u4ef6\u5305\u542b\u5f88\u591a\u81f4\u547d\u9519\u8bef\u53d1\u751f\u65f6\u83b7\u53d6\u5230\u7684\u4fe1\u606f\u3002\u5f88\u591a\u60c5\u51b5\u4e0b\uff0c\u5f53\u5d29\u6e83\u53d1\u751f\u65f6\u662f\u7b2c\u4e00\u6b21\u68c0\u9a8c\u3002<\/td>\n<\/tr>\n
    -XX:+HeapDumpOnOutOfMemoryError \u9009\u9879<\/td>\n\u8fd9\u4e2a\u547d\u4ee4\u884c\u9009\u9879\u6307\u5b9a\u4e86\u5f53VM\u68c0\u6d4b\u5230\u672c\u5730OOM\u9519\u8bef\u65f6\u751f\u6210\u4e00\u4e2a\u5806dump\u3002<\/td>\n<\/tr>\n
    -XX:OnError\u9009\u9879<\/td>\n\u8fd9\u4e2a\u547d\u4ee4\u884c\u9009\u9879\u6307\u5b9a\u4e86\u5f53\u81f4\u547d\u9519\u8bef\u53d1\u751f\u65f6\u6267\u884c\u7684\u7528\u6237\u63d0\u4f9b\u7684\u4e00\u5e8f\u5217\u811a\u672c\u6216\u547d\u4ee4\u3002\u4f8b\u5982\uff0c\u5728windows\u4e0a\uff0c\u8fd9\u4e2a\u9009\u9879\u53ef\u4ee5\u6267\u884c\u4e00\u4e2a\u547d\u4ee4\u6765\u5f3a\u5236\u5d29\u6e83dump\u3002\u5f53\u7cfb\u7edf\u6ca1\u6709\u6307\u5b9a\u4e8b\u540e\u8c03\u8bd5\u5668\u65f6\u8fd9\u4e2a\u9009\u9879\u5f88\u6709\u7528\u3002<\/td>\n<\/tr>\n
    -XX:+ShowMessageBoxOnError<\/td>\n\u8fd9\u4e2a\u547d\u4ee4\u884c\u9009\u9879\u5728\u81f4\u547d\u9519\u8bef\u53d1\u751f\u65f6\u6682\u505c\u8fdb\u7a0b\u3002\u4f9d\u8d56\u4e8e\u7528\u6237\u54cd\u5e94\uff0c\u8fd9\u4e2a\u9009\u9879\u53ef\u4ee5\u62c9\u8d77\u4e00\u4e2a\u672c\u5730\u8c03\u8bd5\u5668\u6765\u5173\u8054\u5230VM\u3002<\/td>\n<\/tr>\n
    \u5176\u4ed6 -XX \u9009\u9879<\/td>\n\u6709\u4e9b\u5176\u4ed6 `-XX` \u9879\u76ee\u4f8b\u4f1a\u9009\u9879\u5bf9\u4e8e\u95ee\u9898\u89e3\u51b3\u5f88\u6709\u7528\u3002<\/td>\n<\/tr>\n
    Java VisualVM<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5206\u6790core dump\uff0c\u63d0\u4f9bcore dump\u7684\u53ef\u8bfb\u5c55\u793a\uff0c\u4ee5\u5806dump\u548c\u7ebf\u7a0bdump\u7684\u5f62\u5f0f\uff0c\u8fd8\u6709\u6982\u8981\u4fe1\u606f\uff08\u4f8b\u5982\uff0cJVM\u53c2\u6570\u3001\u7cfb\u7edf\u5c5e\u6027\u548c\u5176\u4ed6\uff09\u3002<\/td>\n<\/tr>\n
    jdb \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8c03\u8bd5\u5668\u3002<\/td>\n<\/tr>\n
    jhat \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4fbf\u6377\u7684\u624b\u6bb5\u6765\u6d4f\u89c8\u5806dump\u91cc\u7684\u5bf9\u8c61\u7684\u62d3\u6251\u3002<\/td>\n<\/tr>\n
    jinfo \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u4ececore\u6587\u4ef6\u83b7\u53d6\u914d\u7f6e\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
    jmap \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u4ececore\u6587\u4ef6\u83b7\u53d6\u5185\u5b58\u6620\u5c04\u4fe1\u606f\uff0c\u5305\u62ec\u5bf9\u7684\u76f4\u65b9\u56fehistogram\u3002<\/td>\n<\/tr>\n
    jsadebugd daemon<\/td>\nServiceability Agent Debug Daemon ( jsadebugd)\u4f7fJava\u8fdb\u7a0b\u9644\u52a0\u5230\u4e00\u4e2acore\u6587\u4ef6\uff0c\u7136\u540e\u4f5c\u4e3a\u8c03\u8bd5\u670d\u52a1\u5668\u3002 <\/td>\n<\/tr>\n
    jstack \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u53ef\u4eceJava\u8fdb\u7a0b\u83b7\u53d6Java\u548c\u672c\u5730\u6808\u4fe1\u606f\u3002\u5728Solaris OS \u548cLinux\u4e0a\uff0c\u5b9e\u7528\u7a0b\u5e8f\u53ef\u4ececore\u6587\u4ef6\u6216\u8fdc\u7a0b\u8c03\u8bd5\u670d\u52a1\u5668\u83b7\u53d6\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
    \u672c\u5730\u5de5\u5177<\/td>\n\u6bcf\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u6709\u672c\u5730\u5de5\u5177\u548c\u5b9e\u7528\u7a0b\u5e8f\u7528\u4e8e\u4e8b\u540e\u8bca\u65ad\u3002<\/td>\n<\/tr>\n<\/table>\n

    1.2.2 \u7528\u4e8e\u6302\u8d77\u8fdb\u7a0b\u7684\u5de5\u5177\u548c\u9009\u9879<\/h3>\n

    \u8fd9\u4e2a\u5217\u8868\u91cc\u7684\u9009\u9879\u548c\u5de5\u5177\u5bf9\u4e8e\u6d89\u53ca\u6302\u8d77\u8fdb\u7a0b\u6216\u6b7b\u9501\u8fdb\u7a0b\u7684\u573a\u666f\u6709\u5e2e\u52a9\u3002\u8fd9\u4e9b\u5de5\u5177\u4e0d\u8981\u6c42\u4efb\u4f55\u7279\u5b9a\u7684\u9009\u9879\u6765\u542f\u52a8\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n
    \u5de5\u5177\u548c\u9009\u9879<\/td>\n\u63cf\u8ff0\u548c\u4f7f\u7528<\/td>\n<\/tr>\n
    Ctrl-Break handler (Ctrl-\\ or kill -QUIT pid on Solaris OS and Linux, Ctrl-Break on Windows)<\/td>\n\u8fd9\u4e2a\u952e\u7ec4\u5408\u6267\u884c\u7ebf\u7a0bdump\u548c\u6b7b\u9501\u68c0\u6d4b\u3002Ctrl-Break\u5904\u7406\u5668\u53ef\u9009\u5730\u6253\u5370\u5f53\u524d\u9501\u548c\u5b83\u4eec\u7684\u5c5e\u4e3b\u5217\u8868\uff0c\u8fd8\u6709\u5806\u7684\u76f4\u65b9\u56fehistogram\u3002<\/td>\n<\/tr>\n
    jdb \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8c03\u8bd5\u5668\u3002<\/td>\n<\/tr>\n
    jhat \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4fbf\u6377\u7684\u624b\u6bb5\u6765\u6d4f\u89c8\u5806dump\u91cc\u7684\u5bf9\u8c61\u7684\u62d3\u6251\u3002<\/td>\n<\/tr>\n
    jinfo \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u4ececore\u6587\u4ef6\u83b7\u53d6\u914d\u7f6e\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
    jmap \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u4ececore\u6587\u4ef6\u83b7\u53d6\u5185\u5b58\u6620\u5c04\u4fe1\u606f\uff0c\u5305\u62ec\u5bf9\u7684\u76f4\u65b9\u56fehistogram\u3002<\/td>\n<\/tr>\n
    jsadebugd daemon (Solaris OS and Linux only)<\/td>\nServiceability Agent Debug Daemon ( jsadebugd)\u4f7fJava\u8fdb\u7a0b\u9644\u52a0\u5230\u4e00\u4e2acore\u6587\u4ef6\uff0c\u7136\u540e\u4f5c\u4e3a\u8c03\u8bd5\u670d\u52a1\u5668\u3002<\/td>\n<\/tr>\n
    jstack \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u53ef\u4eceJava\u8fdb\u7a0b\u83b7\u53d6Java\u548c\u672c\u5730\u6808\u4fe1\u606f\u3002\u5728Solaris OS \u548cLinux\u4e0a\uff0c\u5b9e\u7528\u7a0b\u5e8f\u53ef\u4ececore\u6587\u4ef6\u6216\u8fdc\u7a0b\u8c03\u8bd5\u670d\u52a1\u5668\u83b7\u53d6\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
    \u672c\u5730\u5de5\u5177<\/td>\n\u6bcf\u4e2a\u64cd\u4f5c\u7cfb\u7edf\u6709\u672c\u5730\u5de5\u5177\u548c\u5b9e\u7528\u7a0b\u5e8f\u7528\u4e8e\u6302\u8d77\u8fdb\u7a0b\u548c\u6b7b\u9501\u7684\u60c5\u51b5\u3002<\/td>\n<\/tr>\n<\/table>\n

    1.2.3 \u7528\u4e8e\u76d1\u89c6\u7684\u5de5\u5177\u548c\u9009\u9879<\/h3>\n

    \u8fd9\u4e9b\u5de5\u5177\u8bbe\u8ba1\u7528\u4e8e\u76d1\u89c6\u6b63\u5728\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
    \u5de5\u5177\u548c\u9009\u9879<\/td>\n\u63cf\u8ff0\u548c\u4f7f\u7528<\/td>\n<\/tr>\n
    Java VisualVM<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u53ef\u89c1\u63a5\u53e3\u7528\u4e8e\u67e5\u770b\u6b63\u8fd0\u884c\u5728JVM\u4e0a\u7684Java\u5e94\u7528\u7a0b\u5e8f\u7684\u8be6\u7ec6\u4fe1\u606f\u3002\u8fd9\u4e9b\u4fe1\u606f\u53ef\u7528\u4e8e\u672c\u5730\u548c\u8fdc\u7a0b\u5e94\u7528\u7a0b\u5e8f\u7684\u95ee\u9898\u89e3\u51b3\uff0c\u548c\u672c\u5730\u5e94\u7528\u7a0b\u5e8f\u5256\u6790\u3002<\/td>\n<\/tr>\n
    JConsole \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u662f\u57fa\u4e8eJMX\u7684\u76d1\u89c6\u5de5\u5177\u3002\u5de5\u5177\u5229\u7528\u4e86JVM\u5185\u7f6e\u7684JMX instrumentation \u6765\u63d0\u4f9b\u6b63\u5728\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8d44\u6e90\u6d88\u8017\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
    jmap \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u4ececore\u6587\u4ef6\u83b7\u53d6\u5185\u5b58\u6620\u5c04\u4fe1\u606f\uff0c\u5305\u62ec\u5bf9\u7684\u76f4\u65b9\u56fehistogram\u3002<\/td>\n<\/tr>\n
    jps \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u5217\u51fa\u76ee\u6807\u7cfb\u7edf\u4e0a\u7684JVM\u3002\u5bf9\u4e8e\u5d4c\u5165\u5f0fVM\u7684\u73af\u5883\u5f88\u6709\u7528\u3002<\/td>\n<\/tr>\n
    jstack \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u53ef\u4eceJava\u8fdb\u7a0b\u83b7\u53d6Java\u548c\u672c\u5730\u6808\u4fe1\u606f\u3002\u5728Solaris OS \u548cLinux\u4e0a\uff0c\u5b9e\u7528\u7a0b\u5e8f\u53ef\u4ececore\u6587\u4ef6\u6216\u8fdc\u7a0b\u8c03\u8bd5\u670d\u52a1\u5668\u83b7\u53d6\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
    jstat \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u7528HotSpot VM\u5185\u7f6e\u7684 instrumentation\u6765\u63d0\u4f9b\u6b63\u5728\u8fd0\u884c\u7684\u5e94\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u8d44\u6e90\u6d88\u8017\u4fe1\u606f\u3002\u8fd9\u4e2a\u5de5\u5177\u53ef\u7528\u4e8e\u8bca\u65ad\u6027\u80fd\u8bae\u9898issues\u548c\u4e0e\u5806\u5927\u5c0f\u8c03\u6574\u548c\u5783\u573e\u56de\u6536\u6709\u5173\u7684\u7279\u6b8a\u8bae\u9898issues\u3002<\/td>\n<\/tr>\n
    jstatd daemon <\/td>\nThis tool is an RMI server application that monitors the creation and termination of instrumented Java virtual machines and provides an interface to allow remote monitoring tools to attach to VMs running on the local host. <\/td>\n<\/tr>\n
    visualgc \u5b9e\u7528\u7a0b\u5e8f<\/td>\nThis utility provides a graphical view of the garbage collection system. As with jstat, it uses the built-in instrumentation of the HotSpot VM. <\/td>\n<\/tr>\n
    \u672c\u5730\u5de5\u5177<\/td>\nEach operating system has native tools and utilities that can be useful for monitoring purposes. For example, the dynamic tracing (DTrace) capability introduced in Solaris 10 OS performs advanced monitoring. <\/td>\n<\/tr>\n<\/table>\n

    1.2.4 \u5176\u4ed6\u5de5\u5177\u3001\u9009\u9879\u3001\u53d8\u91cf\u548c\u5c5e\u6027<\/h3>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
    \u5de5\u5177\u548c\u9009\u9879<\/td>\n\u63cf\u8ff0\u548c\u4f7f\u7528<\/td>\n<\/tr>\n
    HPROF \u5256\u6790\u5668<\/td>\n\u8fd9\u4e2a\u7b80\u5355\u7684\u5256\u6790\u5668\u53ef\u5c55\u793aCPU\u4f7f\u7528\u60c5\u51b5\u3001\u5806\u5206\u914d\u7edf\u8ba1\u3001\u4e89\u7528\u5256\u6790\u3001\u5806dump\u548cJVM\u91cc\u6240\u6709\u76d1\u89c6\u5668\u548c\u7ebf\u7a0b\u7684\u72b6\u6001\u3002HPROF\u5728\u6027\u80fd\u5206\u6790\u3001\u9501\u7ade\u4e89\u3001\u5185\u5b58\u6cc4\u9732\u6838\u5176\u4ed6\u8bae\u9898issues\u4e0a\u5f88\u6709\u7528\u3002<\/td>\n<\/tr>\n
    jhat \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u4fbf\u6377\u7684\u624b\u6bb5\u6765\u6d4f\u89c8\u5806dump\u91cc\u7684\u5bf9\u8c61\u7684\u62d3\u6251\u3002<\/td>\n<\/tr>\n
    jinfo \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u4e2a\u5b9e\u7528\u7a0b\u5e8f\u4ececore\u6587\u4ef6\u83b7\u53d6\u914d\u7f6e\u4fe1\u606f\u3002<\/td>\n<\/tr>\n
    jrunscript \u5b9e\u7528\u7a0b\u5e8f<\/td>\n\u8fd9\u662f\u4e2a\u547d\u4ee4\u884c\u811a\u672cshell\uff0c\u652f\u6301\u4ea4\u4e92\u5f0f\u548c\u6279\u6a21\u5f0f\u6267\u884c\u3002<\/td>\n<\/tr>\n
    Sun Studio dbx debugger <\/td>\nThis is an interactive, command-line debugging tool, which allows you to have complete control of the dynamic execution of a program, including stopping the program and inspecting its state. For details, see the latest dbx documentation, located at the Sun Studio Program Debugging site. <\/td>\n<\/tr>\n
    Sun Studio Performance Analyzer <\/td>\nThis tool can help you assess the performance of your code, identify potential performance problems, and locate the part of the code where the problems occur. The Performance Analyzer can be used from the command line or from a graphical user interface. For details, see the Sun Studio Performance Analyzer site.<\/td>\n<\/tr>\n
    Sun’s Dataspace Profiling: DProfile <\/td>\n\n

    This tool provides insight into the flow of data within Sun computing systems, helping you identify bottlenecks in both software and hardware. DProfile is supported in the Sun Studio 11 compiler suite through the Performance Analyzer GUI\u3002\n<\/td>\n<\/tr>\n

    -Xcheck:jni \u9009\u9879<\/td>\n\u8fd9\u4e2a\u9009\u9879\u5728\u8bca\u65ad\u4f7f\u7528\u4e86\u672c\u5730\u63a5\u53e3JNI\u6216\u7b2c\u4e09\u65b9\u5e93\u7684\u5e94\u7528\u7a0b\u5e8f\u91cc\u6709\u7528\u3002<\/td>\n<\/tr>\n
    -verbose:class \u9009\u9879<\/td>\n\u8fd9\u4e2a\u9009\u9879\u5141\u8bb8\u8bb0\u5f55\u7c7b\u7684\u52a0\u8f7d\u548c\u5378\u8f7d\u3002<\/td>\n<\/tr>\n
    -verbose:gc \u9009\u9879<\/td>\n\u8fd9\u4e2a\u9009\u9879\u5141\u8bb8\u8bb0\u5f55\u5783\u573e\u56de\u6536\u65e5\u5fd7\u3002<\/td>\n<\/tr>\n
    -verbose:jni \u9009\u9879<\/td>\n\u8fd9\u4e2a\u9009\u9879\u8fd0\u884cJNI\u65e5\u5fd7\u3002<\/td>\n<\/tr>\n
    JAVA_TOOL_OPTIONS \u73af\u5883\u53d8\u91cf<\/td>\nThis environment variable allows you to specify the initialization of tools, specifically the launching of native or Java programming language agents using the -agentlib or -javaagent options.<\/td>\n<\/tr>\n
    java.security.debug \u7cfb\u7edf\u5c5e\u6027<\/td>\n\u8fd9\u4e2a\u7cfb\u7edf\u5c5e\u6027\u63a7\u5236JRE\u5728\u6267\u884c\u5b89\u5168\u68c0\u67e5\u65f6\u662f\u5426\u8f93\u51fa\u8ddf\u8e2a\u4fe1\u606f\u3002<\/td>\n<\/tr>\n<\/table>\n\n

    \u6b22\u8fce\u5173\u6ce8\u6211\u7684\u5fae\u4fe1\u516c\u4f17\u53f7: coderbee\u7b14\u8bb0<\/strong>\uff0c\u53ef\u4ee5\u66f4\u53ca\u65f6\u56de\u590d\u4f60\u7684\u8ba8\u8bba\u3002<\/p>\n

    <\/p>\n","protected":false},"excerpt":{"rendered":"

    \u82f1\u6587\u5b8c\u6574\u6587\u6863\uff1ahttp:\/\/www.oracle.com\/technetwork … \u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96],"tags":[231,166],"_links":{"self":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/915"}],"collection":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/comments?post=915"}],"version-history":[{"count":4,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/915\/revisions"}],"predecessor-version":[{"id":923,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/posts\/915\/revisions\/923"}],"wp:attachment":[{"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/media?parent=915"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/categories?post=915"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/coderbee.net\/index.php\/wp-json\/wp\/v2\/tags?post=915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}