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Posted to issues@spark.apache.org by "Sean Owen (JIRA)" <ji...@apache.org> on 2015/05/18 22:04:00 UTC
[jira] [Commented] (SPARK-7713) Use shared broadcast hadoop conf
for partitioned table scan.
[ https://issues.apache.org/jira/browse/SPARK-7713?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14549097#comment-14549097 ]
Sean Owen commented on SPARK-7713:
----------------------------------
Same as / similar to https://issues.apache.org/jira/browse/SPARK-7410 ?
> Use shared broadcast hadoop conf for partitioned table scan.
> ------------------------------------------------------------
>
> Key: SPARK-7713
> URL: https://issues.apache.org/jira/browse/SPARK-7713
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.4.0
> Reporter: Yin Huai
> Assignee: Yin Huai
> Priority: Blocker
>
> While debugging SPARK-7673, we also found that we are broadcasting a hadoop conf for every Partition (backed by a Hadoop RDD). It also causes the performance regression of compiling a query involving a large number of partitions.
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