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https://issues.apache.org/jira/browse/CASSANDRA-2949?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13071789#comment-13071789
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Sylvain Lebresne commented on CASSANDRA-2949:
---------------------------------------------
bq. If it's likely that supercolumns may get indexes (CASSANDRA-598) or the
serialization format changes to make direct sub-column access possible
(CASSANDRA-674) then this should probably be revisited to limit the scope of
the read.
Regarding super columns, the more likely move will be to replace them
internally by columns with composite names, in which case this issue will be
moot anyway.
> Batch mutation of counters in multiple supercolumns throws an exception
> during replication.
> -------------------------------------------------------------------------------------------
>
> Key: CASSANDRA-2949
> URL: https://issues.apache.org/jira/browse/CASSANDRA-2949
> Project: Cassandra
> Issue Type: Bug
> Components: Core
> Affects Versions: 0.8.2
> Reporter: Sam Overton
> Assignee: Sylvain Lebresne
> Priority: Critical
> Labels: batch_mutate, counters, supercolumns
> Fix For: 0.8.3
>
> Attachments: 2949.patch, 2949_v2.patch
>
>
> Steps to reproduce:
> * Perform a batch mutation of more than one counter in more than one
> super-column in the same column-family.
> * The following exception is thrown during replication:
> DEBUG [MutationStage:63] 2011-07-26 17:05:12,653
> CounterMutationVerbHandler.java (line 52) Applying forwarded
> CounterMutation(RowMutation(keyspace='ks1', key='4ae71336e44bf9bf',
> modifications=[ColumnFamily(cf1 [SuperColumn(302c7375706572636f6c30
> [302c636f6c30:false:8@1311696312648,]),SuperColumn(302c7375706572636f6c31
> [302c636f6c30:false:8@1311696312648,]),])]), QUORUM)
> DEBUG [MutationStage:63] 2011-07-26 17:05:12,653 StorageProxy.java (line 432)
> insert writing local & replicate CounterMutation(RowMutation(keyspace='ks1',
> key='4ae71336e44bf9bf', modifications=[cf1]), QUORUM)
> DEBUG [MutationStage:63] 2011-07-26 17:05:12,654 Table.java (line 398)
> applying mutation of row 4ae71336e44bf9bf
> ERROR [ReplicateOnWriteStage:125] 2011-07-26 17:05:12,655
> AbstractCassandraDaemon.java (line 139) Fatal exception in thread
> Thread[ReplicateOnWriteStage:125,5,main]
> java.lang.RuntimeException: java.lang.IllegalArgumentException: ColumnFamily
> ColumnFamily(cf1 [SuperColumn(302c7375706572636f6c31
> [302c636f6c30:false:[{cad93dc0-b7a0-11e0-0000-123f813dd5df, 3,
> 3}*]@1311696312648!-9223372036854775808,]),]) already has modifications in
> this mutation: ColumnFamily(cf1 [SuperColumn(302c7375706572636f6c30
> [302c636f6c30:false:[{cad93dc0-b7a0-11e0-0000-123f813dd5df, 3,
> 3}*]@1311696312648!-9223372036854775808,]),])
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:636)
> Caused by: java.lang.IllegalArgumentException: ColumnFamily ColumnFamily(cf1
> [SuperColumn(302c7375706572636f6c31
> [302c636f6c30:false:[{cad93dc0-b7a0-11e0-0000-123f813dd5df, 3,
> 3}*]@1311696312648!-9223372036854775808,]),]) already has modifications in
> this mutation: ColumnFamily(cf1 [SuperColumn(302c7375706572636f6c30
> [302c636f6c30:false:[{cad93dc0-b7a0-11e0-0000-123f813dd5df, 3,
> 3}*]@1311696312648!-9223372036854775808,]),])
> at org.apache.cassandra.db.RowMutation.add(RowMutation.java:123)
> at
> org.apache.cassandra.db.CounterMutation.makeReplicationMutation(CounterMutation.java:120)
> at
> org.apache.cassandra.service.StorageProxy$5$1.runMayThrow(StorageProxy.java:455)
> at
> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:30)
> ... 3 more
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