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https://issues.apache.org/jira/browse/HIVE-1511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12895343#action_12895343
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Ning Zhang commented on HIVE-1511:
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The issue seems to be the fact that we serialize the plan by writing to HDFS
file directly. We probably should cache it locally and then write it to HDFS.
> Hive plan serialization is slow
> -------------------------------
>
> Key: HIVE-1511
> URL: https://issues.apache.org/jira/browse/HIVE-1511
> Project: Hadoop Hive
> Issue Type: Improvement
> Affects Versions: 0.7.0
> Reporter: Ning Zhang
>
> As reported by Edward Capriolo:
> For reference I did this as a test case....
> SELECT * FROM src where
> key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0
> OR key=0 OR key=0 OR key=0 OR
> key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0 OR key=0
> OR key=0 OR key=0 OR key=0 OR
> ...(100 more of these)
> No OOM but I gave up after the test case did not go anywhere for about
> 2 minutes.
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