-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Rallavagu,
On 3/10/16 2:11 PM, Rallavagu wrote: > From a thread dump and corresponding "top" output it is reported > that the following thread is consuming significant CPU (around > 80%) > > "http-bio-28080-exec-437" daemon prio=10 tid=0x00007f4acc0de000 > nid=0x54ce waiting on condition [0x00007f4b038f7000] > java.lang.Thread.State: TIMED_WAITING (parking) at > sun.misc.Unsafe.park(Native Method) - parking to wait for > <0x000000071846da50> (a > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) > > at > java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226) > > at > java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject. awaitNanos(AbstractQueuedSynchronizer.java:2082) > > at > java.util.concurrent.LinkedBlockingQueue.poll(LinkedBlockingQueue.java :467) > > 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(ThreadPoolExecutor.jav a:1068) > > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.j ava:1130) > > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor. java:615) > > at java.lang.Thread.run(Thread.java:744) > > Considering it is a thread from tomcat's thread pool and it > suggests that it is "java.lang.Thread.State: TIMED_WAITING > (parking)" wonder why this shows up as consuming high CPU. Any > clues would be highly appreciated. Thanks in advance. Are you sure you have matched-up the correct thread within the JVM that is using all that CPU? How are you measuring the CPU usage? Can you post your <Connector> and/or <Executor> configuration? - -chris -----BEGIN PGP SIGNATURE----- Comment: GPGTools - http://gpgtools.org Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlbh0Q0ACgkQ9CaO5/Lv0PDDpACfbmueOC3FIVAImoIY6P0GYgla iUUAnRimWHnwhvNR+q2KKyypxnFcoHBi =o7Ac -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org For additional commands, e-mail: users-h...@tomcat.apache.org
