vincent2518 opened a new issue #6797:
URL: https://github.com/apache/skywalking/issues/6797
Why does the client have so many (64) resident threads in Runnable state?
thread dumps are like below：
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 [0x00000006c0c4cf40] (a
org.apache.skywalking.apm.dependencies.io.netty.channel.nio.SelectedSelectionKeySet)
- locked [0x00000006c0c4d030] (a
java.util.Collections$UnmodifiableSet) - locked [0x00000006c0c4cf58]
(a sun.nio.ch.EPollSelectorImpl) at
sun.nio.ch.SelectorImpl.select(SelectorImpl.java:97) at
org.apache.skywalking.apm.dependencies.io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
at
org.apache.skywalking.apm.dependencies.io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:824)
at org.apache.skywalking.ap
m.dependencies.io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:457)
at
org.apache.skywalking.apm.dependencies.io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1044)
at
org.apache.skywalking.apm.dependencies.io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at
org.apache.skywalking.apm.dependencies.io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.lang.Thread.run(Thread.java:745)
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