[jira] [Created] (CASSANDRA-13450) repair thread stuck

["Roland Otta (JIRA)" <ji...@apache.org>]

Roland Otta created CASSANDRA-13450:
---------------------------------------

             Summary: repair thread stuck
                 Key: CASSANDRA-13450
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13450
             Project: Cassandra
          Issue Type: Bug
         Environment: cassandra 3.7
            Reporter: Roland Otta


we sometimes have stuck repair threads in our production system

this is the corresponding stack trace

{noformat}
Name: Repair#202:3
State: WAITING on com.google.common.util.concurrent.AbstractFuture$Sync@56d7b0ab
Total blocked: 0  Total waited: 1

Stack trace: 
sun.misc.Unsafe.park(Native Method)
java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
com.google.common.util.concurrent.AbstractFuture$Sync.get(AbstractFuture.java:285)
com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:116)
com.google.common.util.concurrent.Uninterruptibles.getUninterruptibly(Uninterruptibles.java:137)
com.google.common.util.concurrent.Futures.getUnchecked(Futures.java:1509)
org.apache.cassandra.repair.RepairJob.run(RepairJob.java:160)
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
java.lang.Thread.run(Thread.java:745)
{noformat}



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