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Posted to commits@cassandra.apache.org by "Sylvain Lebresne (Resolved) (JIRA)" <ji...@apache.org> on 2012/02/09 11:15:00 UTC

[jira] [Resolved] (CASSANDRA-3832) gossip stage backed up due to migration manager future de-ref

     [ https://issues.apache.org/jira/browse/CASSANDRA-3832?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne resolved CASSANDRA-3832.
-----------------------------------------

    Resolution: Fixed

So if I read this correctly, the initial did fix the initial issue of bootstrap being stuck. I understand it's still not perfect but for the sake of keeping track of changes (in particular what went into 1.1.0), I'm closing this one. Let's fix remaining problems in a separate ticket.
                
> 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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