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Posted to dev@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2009/03/03 20:52:56 UTC
[jira] Resolved: (HBASE-1233) Transactional fixes: Overly
conservative scan read-set, potential CME
[ https://issues.apache.org/jira/browse/HBASE-1233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
stack resolved HBASE-1233.
--------------------------
Resolution: Fixed
Committed to trunk and branch. Thanks for the fixes Clint.
> Transactional fixes: Overly conservative scan read-set, potential CME
> ---------------------------------------------------------------------
>
> Key: HBASE-1233
> URL: https://issues.apache.org/jira/browse/HBASE-1233
> Project: Hadoop HBase
> Issue Type: Improvement
> Components: regionserver
> Affects Versions: 0.19.0
> Reporter: Clint Morgan
> Assignee: Clint Morgan
> Fix For: 0.19.1, 0.20.0
>
> Attachments: hbase-1233.patch
>
>
> This patch fixes two issues with the OCC transactions:
> - Overly conservative read-set. Previously a scanner was claiming read set on the whole region. This patch gets the read set from the start and end keys that a scanner was opened with (the start key comes from the arg to open, the end key comes from a WhileMatch(StopRow()) filter if present.
> - A potential ConcurrentModificationException.
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