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https://issues.apache.org/jira/browse/HBASE-10660?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13922506#comment-13922506
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Andrew Purtell commented on HBASE-10660:
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bq. [ERROR] symbol : method unset(java.lang.String)
I ran into Configuration#unset not being available in Hadoop 1 on some past
work also. I think you can achieve the same effect by using
Configuration#set(name,"").
+1 for 0.98 provided the compilation issue with Hadoop 1 is fixed.
> 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
> Attachments: HBASE-10660.00.patch, HBASE-10660.01.patch,
> HBASE-10660.02.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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