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https://issues.apache.org/jira/browse/CASSANDRA-5146?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13582613#comment-13582613
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Michael Kjellman commented on CASSANDRA-5146:
---------------------------------------------

I agree that the vast majority of repair issues are actually caused by a 
streaming failures which is why i thought 5105 would fix it.

i'm thinking that #5151 might have created another exception which once again 
appeared to break repairs. After reverting 5151 and keeping the other fixes 
repair seems much more stable.
                
> repair -pr hangs
> ----------------
>
>                 Key: CASSANDRA-5146
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5146
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.2.0
>         Environment: Ubuntu 12.04
>            Reporter: Michael Kjellman
>            Assignee: Sylvain Lebresne
>             Fix For: 1.2.2
>
>
> while running a repair -pr the repair seems to hang after getting a merkle 
> tree
> {code}
>  INFO [AntiEntropySessions:9] 2013-01-10 18:23:01,652 AntiEntropyService.java 
> (line 652) [repair #d29fd100-5b95-11e2-b9c7-dd50a26832ff] new session: will 
> sync /10.8.25.101, /10.8.30.14 on range 
> (28356863910078205288614550619314017620,42535295865117307932921825928971026436]
>  for evidence.[fingerprints, messages]
>  INFO [AntiEntropySessions:9] 2013-01-10 18:23:01,653 AntiEntropyService.java 
> (line 857) [repair #d29fd100-5b95-11e2-b9c7-dd50a26832ff] requesting merkle 
> trees for fingerprints (to [/10.8.30.14, /10.8.25.101])
>  INFO [ValidationExecutor:7] 2013-01-10 18:23:01,654 ColumnFamilyStore.java 
> (line 647) Enqueuing flush of 
> Memtable-fingerprints@500862962(12960712/12960712 serialized/live bytes, 469 
> ops)
>  INFO [FlushWriter:25] 2013-01-10 18:23:01,655 Memtable.java (line 424) 
> Writing Memtable-fingerprints@500862962(12960712/12960712 serialized/live 
> bytes, 469 ops)
>  INFO [FlushWriter:25] 2013-01-10 18:23:02,058 Memtable.java (line 458) 
> Completed flushing 
> /data2/cassandra/evidence/fingerprints/evidence-fingerprints-ib-192-Data.db 
> (11413718 bytes) for commitlog position 
> ReplayPosition(segmentId=1357767160463, position=8921654)
>  INFO [AntiEntropyStage:1] 2013-01-10 18:25:52,735 AntiEntropyService.java 
> (line 214) [repair #d29fd100-5b95-11e2-b9c7-dd50a26832ff] Received merkle 
> tree for fingerprints from /10.8.25.101
> {code}

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