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3年前
java进程中两个线程引起CPU升高
“NioBlockingSelector.BlockPoller-1” #63 daemon prio=5 os_prio=0 tid=0x00007fbadb2fb000 nid=0x4b09 runnable [0x00007fba36aeb000]
java.lang.Thread.State: RUNNABLE
at sun.nio.ch.EPollArrayWrapper.epollWait(Native Method)
at sun.nio.ch.EPollArrayWrapper.poll(EPollArrayWrapper.java:269)
at sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:93)
at sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:86)
- locked <0x000000008517bea8> (a sun.nio.ch.Util$3)
- locked <0x000000008517be98> (a java.util.Collections$UnmodifiableSet)
- locked <0x000000008517bd70> (a sun.nio.ch.EPollSelectorImpl)
at sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97)
at org.apache.tomcat.util.net.NioBlockingSelector$BlockPoller.run(NioBlockingSelector.java:298)
“http-nio-9001-exec-14” #26555 daemon prio=5 os_prio=0 tid=0x00007fba7c22b800 nid=0x7dc7 waiting on condition [0x00007fba2b8fb000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000ec871298> (a java.util.concurrent.CountDownLatch$Sync)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedNanos(AbstractQueuedSynchronizer.java:1037)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.tryAcquireSharedNanos(AbstractQueuedSynchronizer.java:1328)
at java.util.concurrent.CountDownLatch.await(CountDownLatch.java:277)
at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.awaitLatch(NioEndpoint.java:1120)
at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.awaitReadLatch(NioEndpoint.java:1122)
at org.apache.tomcat.util.net.NioBlockingSelector.read(NioBlockingSelector.java:184)
at org.apache.tomcat.util.net.NioSelectorPool.read(NioSelectorPool.java:235)
at org.apache.tomcat.util.net.NioSelectorPool.read(NioSelectorPool.java:216)
at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.fillReadBuffer(NioEndpoint.java:1253)
at org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper.read(NioEndpoint.java:1196)
at org.apache.coyote.http11.Http11InputBuffer.fill(Http11InputBuffer.java:729)
at org.apache.coyote.http11.Http11InputBuffer.access$300(Http11InputBuffer.java:40)
at org.apache.coyote.http11.Http11InputBuffer$SocketInputBuffer.doRead(Http11InputBuffer.java:1084)
at org.apache.coyote.http11.filters.IdentityInputFilter.end(IdentityInputFilter.java:190)
at org.apache.coyote.http11.Http11InputBuffer.endRequest(Http11InputBuffer.java:609)
at org.apache.coyote.http11.Http11Processor.endRequest(Http11Processor.java:1509)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:840)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:800)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1471)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
- locked <0x00000000865baef0> (a org.apache.tomcat.util.net.NioEndpoint$NioSocketWrapper)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
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