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https://issues.apache.org/jira/browse/HIVE-2440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13102950#comment-13102950
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[email protected] commented on HIVE-2440:
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trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java
<https://reviews.apache.org/r/1813/#comment4250>
do you need childrenPaths? It's only used for adding paths, but nobody is
reading it.
- Ning
On 2011-09-12 19:15:54, Yongqiang He wrote:
bq.
bq. -----------------------------------------------------------
bq. This is an automatically generated e-mail. To reply, visit:
bq. https://reviews.apache.org/r/1813/
bq. -----------------------------------------------------------
bq.
bq. (Updated 2011-09-12 19:15:54)
bq.
bq.
bq. Review request for hive and Ning Zhang.
bq.
bq.
bq. Summary
bq. -------
bq.
bq. make hive mapper initialize faster when having tons of input files
bq.
bq.
bq. This addresses bug hive-2440.
bq. https://issues.apache.org/jira/browse/hive-2440
bq.
bq.
bq. Diffs
bq. -----
bq.
bq. trunk/ql/src/java/org/apache/hadoop/hive/ql/exec/MapOperator.java
1167289
bq.
bq. Diff: https://reviews.apache.org/r/1813/diff
bq.
bq.
bq. Testing
bq. -------
bq.
bq.
bq. Thanks,
bq.
bq. Yongqiang
bq.
bq.
> make hive mapper initialize faster when having tons of input files
> ------------------------------------------------------------------
>
> Key: HIVE-2440
> URL: https://issues.apache.org/jira/browse/HIVE-2440
> Project: Hive
> Issue Type: Improvement
> Reporter: He Yongqiang
> Assignee: He Yongqiang
> Attachments: HIVE-2440.1.patch, HIVE-2440.2.patch
>
>
> when one hive job has tons of input files, a lot of mappers may fail because
> of slow initialization.
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