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https://issues.apache.org/jira/browse/HBASE-13897?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14588531#comment-14588531
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Lars Hofhansl commented on HBASE-13897:
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Is this for the case where Import generates HFiles? In that case I do not see
how we can avoid the the reduce step - unless we write an HFile per map task.
> OOM occurs when Import importing a row that including too much KeyValue
> ------------------------------------------------------------------------
>
> Key: HBASE-13897
> URL: https://issues.apache.org/jira/browse/HBASE-13897
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.98.13
> Reporter: Liu Junhong
> Assignee: Ted Yu
> Fix For: 0.98.13
>
> Attachments: HBASE-13897-0.98.patch
>
>
> When importing a row with too many KeyValues (may have too many columns or
> versions)，KeyValueReducer will incur OOM.
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