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https://issues.apache.org/jira/browse/CASSANDRA-3832?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13200960#comment-13200960
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Peter Schuller commented on CASSANDRA-3832:
-------------------------------------------
I will submit a patch that does it and you can decide.
> gossip stage backed up due to migration manager future de-ref
> --------------------------------------------------------------
>
> Key: CASSANDRA-3832
> URL: https://issues.apache.org/jira/browse/CASSANDRA-3832
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 1.1
> Reporter: Peter Schuller
> Assignee: Peter Schuller
> Priority: Blocker
> Fix For: 1.1
>
> Attachments: CASSANDRA-3832-trunk-dontwaitonfuture.txt
>
>
> This is just bootstrapping a ~ 180 trunk cluster. After a while, a
> node I was on was stuck with thinking all nodes are down, because
> gossip stage was backed up, because it was spending a long time
> (multiple seconds or more, I suppose RPC timeout maybe) doing the
> following. Cluster-wide restart -> back to normal. I have not
> investigated further.
> {code}
> "GossipStage:1" daemon prio=10 tid=0x00007f9d5847a800 nid=0xa6fc waiting on
> condition [0x000000004345f000]
> java.lang.Thread.State: WAITING (parking)
> at sun.misc.Unsafe.park(Native Method)
> - parking to wait for <0x00000005029ad1c0> (a
> java.util.concurrent.FutureTask$Sync)
> at java.util.concurrent.locks.LockSupport.park(LockSupport.java:158)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:811)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:969)
> at
> java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1281)
> at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:218)
> at java.util.concurrent.FutureTask.get(FutureTask.java:83)
> at
> org.apache.cassandra.utils.FBUtilities.waitOnFuture(FBUtilities.java:364)
> at
> org.apache.cassandra.service.MigrationManager.rectifySchema(MigrationManager.java:132)
> at
> org.apache.cassandra.service.MigrationManager.onAlive(MigrationManager.java:75)
> at org.apache.cassandra.gms.Gossiper.markAlive(Gossiper.java:802)
> at
> org.apache.cassandra.gms.Gossiper.applyStateLocally(Gossiper.java:918)
> at
> org.apache.cassandra.gms.GossipDigestAckVerbHandler.doVerb(GossipDigestAckVerbHandler.java:68)
> {code}
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