LRU Statistics thread should be daemon --------------------------------------
Key: HBASE-4745 URL: https://issues.apache.org/jira/browse/HBASE-4745 Project: HBase Issue Type: Bug Reporter: Ted Yu Fix For: 0.92.0 Here was from 'HBase 0.92/Hadoop 0.22 test results' discussion on dev@hbase {code} "LRU Statistics #0" prio=10 tid=0x00007f4edc7dd800 nid=0x211a waiting on condition [0x00007f4e631e2000] java.lang.Thread.State: TIMED_WAITING (parking) at sun.misc.Unsafe.park(Native Method) - parking to wait for <0x00007f4e88acc968> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject) at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:198) at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2025) at java.util.concurrent.DelayQueue.take(DelayQueue.java:164) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:583) at java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:576) at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:947) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907) at java.lang.Thread.run(Thread.java:619) {code} We should make this thread daemon thread. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira