4
我们一直在监视我们的线程在tomcat 7中,最近我们开始看到有时线程数量会变成正常值的两倍,即大约200个线程(而不是通常大约80线程)。在tomcat 7线程转储上看到多个TIMED_WAITING线程
在服用线程转储,我看到的时间期间的线程数增加,增加由于线程的大量存在(约100),如下所示(所有等待588cc7d5):
"http-bio-8080-exec-201" - Thread [email protected]
java.lang.Thread.State: TIMED_WAITING
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <588cc7d5> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.parkNanos(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(Unknown Source)
at java.util.concurrent.LinkedBlockingQueue.poll(Unknown Source)
at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:86)
at org.apache.tomcat.util.threads.TaskQueue.poll(TaskQueue.java:32)
at java.util.concurrent.ThreadPoolExecutor.getTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Locked ownable synchronizers:
- None
有谁知道什么会导致这种行为?