[ 
https://issues.apache.org/jira/browse/CASSANDRA-4687?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13866778#comment-13866778
 ] 

Jacek Furmankiewicz commented on CASSANDRA-4687:
------------------------------------------------

Hi, any responses from the Cassandra team? Can we expect this fix backported to 
1.1? 

1.2 seems to have other regressions with it (the unable to seek position 
issue), so we're rather hesitant to upgrade to it.

Thank you, much appreciated

> Exception: DecoratedKey(xxx, yyy) != DecoratedKey(zzz, kkk)
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-4687
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4687
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Core
>         Environment: CentOS 6.3 64-bit, Oracle JRE 1.6.0.33 64-bit, single 
> node cluster
>            Reporter: Leonid Shalupov
>            Priority: Minor
>         Attachments: 4687-debugging.txt, 
> apache-cassandra-1.2.13-SNAPSHOT.jar, guava-backed-cache.patch
>
>
> Under heavy write load sometimes cassandra fails with assertion error.
> git bisect leads to commit 295aedb278e7a495213241b66bc46d763fd4ce66.
> works fine if global key/row caches disabled in code.
> {quote}
> java.lang.AssertionError: DecoratedKey(xxx, yyy) != DecoratedKey(zzz, kkk) in 
> /var/lib/cassandra/data/...-he-1-Data.db
>       at 
> org.apache.cassandra.db.columniterator.SSTableSliceIterator.<init>(SSTableSliceIterator.java:60)
>       at 
> org.apache.cassandra.db.filter.SliceQueryFilter.getSSTableColumnIterator(SliceQueryFilter.java:67)
>       at 
> org.apache.cassandra.db.filter.QueryFilter.getSSTableColumnIterator(QueryFilter.java:79)
>       at 
> org.apache.cassandra.db.CollationController.collectAllData(CollationController.java:256)
>       at 
> org.apache.cassandra.db.CollationController.getTopLevelColumns(CollationController.java:64)
>       at 
> org.apache.cassandra.db.ColumnFamilyStore.getTopLevelColumns(ColumnFamilyStore.java:1345)
>       at 
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1207)
>       at 
> org.apache.cassandra.db.ColumnFamilyStore.getColumnFamily(ColumnFamilyStore.java:1142)
>       at org.apache.cassandra.db.Table.getRow(Table.java:378)
>       at 
> org.apache.cassandra.db.SliceFromReadCommand.getRow(SliceFromReadCommand.java:69)
>       at 
> org.apache.cassandra.service.StorageProxy$LocalReadRunnable.runMayThrow(StorageProxy.java:819)
>       at 
> org.apache.cassandra.service.StorageProxy$DroppableRunnable.run(StorageProxy.java:1253)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
>       at java.lang.Thread.run(Thread.java:662)
> {quote}



--
This message was sent by Atlassian JIRA
(v6.1.5#6160)

Reply via email to