JVM本机线程循环并使用100％CPU

Question

我有一个Play Framework 2.4应用程序，它运行在Ubuntu 12.04.1 LTS，Java 8u40上。一段时间后，我的应用程序停止响应。当我使用top检查CPU负载时，我看到java进程正在使用100％CPU。当我运行jstack -F -m <PID>时，我看到循环线程在JVM本机帧之间。

这是循环线程的jstack输出：

----------------- 1062 -----------------
0x00007f01a8a531cc  _ZNK5Klass12next_siblingEv + 0xc
0x00007f01a86b18ee  _ZN15ciInstanceKlass24has_finalizable_subclassEv + 0xbe
0x00007f01a85f683e  _ZN12GraphBuilder23call_register_finalizerEv + 0x9e
0x00007f01a85fd2a5  _ZN12GraphBuilder13method_returnEP11Instruction + 0x295
0x00007f01a860385f  _ZN12GraphBuilder27iterate_bytecodes_for_blockEi + 0x6cf
0x00007f01a8600c4b  _ZN12GraphBuilder18iterate_all_blocksEb + 0x14b
0x00007f01a86015e6  _ZN12GraphBuilder15try_inline_fullEP8ciMethodbN9Bytecodes4CodeEP11Instruction + 0x996
0x00007f01a86017df  _ZN12GraphBuilder10try_inlineEP8ciMethodbN9Bytecodes4CodeEP11Instruction + 0x11f
0x00007f01a8602912  _ZN12GraphBuilder6invokeEN9Bytecodes4CodeE + 0xbb2
0x00007f01a860383d  _ZN12GraphBuilder27iterate_bytecodes_for_blockEi + 0x6ad
0x00007f01a8600c4b  _ZN12GraphBuilder18iterate_all_blocksEb + 0x14b
0x00007f01a86015e6  _ZN12GraphBuilder15try_inline_fullEP8ciMethodbN9Bytecodes4CodeEP11Instruction + 0x996
0x00007f01a86017df  _ZN12GraphBuilder10try_inlineEP8ciMethodbN9Bytecodes4CodeEP11Instruction + 0x11f
0x00007f01a8602912  _ZN12GraphBuilder6invokeEN9Bytecodes4CodeE + 0xbb2
0x00007f01a860383d  _ZN12GraphBuilder27iterate_bytecodes_for_blockEi + 0x6ad
0x00007f01a8600bf2  _ZN12GraphBuilder18iterate_all_blocksEb + 0xf2
0x00007f01a86057a7  _ZN12GraphBuilderC1EP11CompilationP7IRScope + 0x527
0x00007f01a860e127  _ZN7IRScopeC1EP11CompilationPS_iP8ciMethodib + 0x1e7
0x00007f01a860e23f  _ZN2IRC1EP11CompilationP8ciMethodi + 0x9f
0x00007f01a85ed25b  _ZN11Compilation9build_hirEv + 0xdb
0x00007f01a85ed61e  _ZN11Compilation19compile_java_methodEv + 0x6e
0x00007f01a85ed74e  _ZN11Compilation14compile_methodEv + 0x4e
0x00007f01a85edabe  _ZN11CompilationC1EP16AbstractCompilerP5ciEnvP8ciMethodiP10BufferBlob + 0x25e
0x00007f01a85ee869  _ZN8Compiler14compile_methodEP5ciEnvP8ciMethodi + 0xa9
0x00007f01a874143a  _ZN13CompileBroker25invoke_compiler_on_methodEP11CompileTask + 0xc9a
0x00007f01a87423e6  _ZN13CompileBroker20compiler_thread_loopEv + 0x5d6
0x00007f01a8cf596f  _ZN10JavaThread17thread_main_innerEv + 0xdf
0x00007f01a8cf5a9c  _ZN10JavaThread3runEv + 0x11c
0x00007f01a8ba9ee8  _ZL10java_startP6Thread + 0x108

此问题在我从Play 2.3升级到2.4和Java 7升级到Java 8后开始。我不认为Play升级与此有关。看起来它与JIT编译有关。

这个主题是什么，可能是无限循环的原因，当然我该如何修复/解决这个问题呢？

感谢。

Answer 1

之前我遇到了同样的问题，对我而言，代码缓存已满，请尝试通过jconsole检查代码缓存的使用情况

并尝试增加它

-XX:ReservedCodeCacheSize=512m

根据您应用的使用情况选择值