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Posted to dev@hbase.apache.org by "Jim Kellerman (JIRA)" <ji...@apache.org> on 2008/10/23 21:22:44 UTC
[jira] Created: (HBASE-952) Deadlock in HRegion.batchUpdate
Deadlock in HRegion.batchUpdate
-------------------------------
Key: HBASE-952
URL: https://issues.apache.org/jira/browse/HBASE-952
Project: Hadoop HBase
Issue Type: Sub-task
Affects Versions: 0.19.0
Reporter: Jim Kellerman
Assignee: Jim Kellerman
Priority: Blocker
Fix For: 0.19.0
{code}
public void batchUpdate(BatchUpdate[] bus, Integer[] locks)
{code}
Takes out splitsAndClosesLock before calling checkResources. If checkResources stalls waiting for a cache flush, and a split starts before the flush, HRegion.close deadlocks when it tries to acquire splitsAndClosesLock
This never resolves because batchUpdate is waiting for a flush that will never happen since close has already disabled them.
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[jira] Resolved: (HBASE-952) Deadlock in HRegion.batchUpdate
Posted by "Jim Kellerman (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/HBASE-952?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jim Kellerman resolved HBASE-952.
---------------------------------
Resolution: Fixed
Fixed. Committed.
> Deadlock in HRegion.batchUpdate
> -------------------------------
>
> Key: HBASE-952
> URL: https://issues.apache.org/jira/browse/HBASE-952
> Project: Hadoop HBase
> Issue Type: Sub-task
> Affects Versions: 0.19.0
> Reporter: Jim Kellerman
> Assignee: Jim Kellerman
> Priority: Blocker
> Fix For: 0.19.0
>
>
> {code}
> public void batchUpdate(BatchUpdate[] bus, Integer[] locks)
> {code}
> Takes out splitsAndClosesLock before calling checkResources. If checkResources stalls waiting for a cache flush, and a split starts before the flush, HRegion.close deadlocks when it tries to acquire splitsAndClosesLock
> This never resolves because batchUpdate is waiting for a flush that will never happen since close has already disabled them.
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