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https://issues.apache.org/jira/browse/HBASE-10660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13924734#comment-13924734
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Hudson commented on HBASE-10660:
--------------------------------
SUCCESS: Integrated in HBase-0.98 #210 (See
[https://builds.apache.org/job/HBase-0.98/210/])
HBASE-10660 MR over snapshots can OOM when alternative blockcache is enabled
(ndimiduk: rev 1575455)
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.java
*
/hbase/branches/0.98/hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableSnapshotInputFormat.java
*
/hbase/branches/0.98/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableMapReduceUtil.java
*
/hbase/branches/0.98/hbase-server/src/test/java/org/apache/hadoop/hbase/mapreduce/TestTableSnapshotInputFormat.java
> MR over snapshots can OOM when alternative blockcache is enabled
> ----------------------------------------------------------------
>
> Key: HBASE-10660
> URL: https://issues.apache.org/jira/browse/HBASE-10660
> Project: HBase
> Issue Type: Bug
> Components: mapreduce
> Affects Versions: 0.98.0, 0.99.0
> Reporter: Nick Dimiduk
> Assignee: Nick Dimiduk
> Fix For: 0.98.1, 0.99.0
>
> Attachments: HBASE-10660.00.patch, HBASE-10660.01.patch,
> HBASE-10660.02.patch, HBASE-10660.03.patch
>
>
> Running {{IntegrationTestTableSnapshotInputFormat}} with the {{BucketCache}}
> enabled results in OOM. The map task is running a sequential scan over the
> region region it opened, so probably it's not benefiting much from a
> blockcache. Just disable blockcache entirely for these scans because it's
> likely the cache config detected is designed for a RS running on a different
> class of hardware than that running the map task.
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