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https://issues.apache.org/jira/browse/HIVE-4014?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13591350#comment-13591350
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Tamas Tarjanyi commented on HIVE-4014:
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Hi Vinod,
As I have stated above
BAD: CDH4.1.3 - which is using hadoop-2.0.0+556 / hive-0.9.0+158
GOOD: hadoop 1.0.3 / hive 0.10.0 (apache download)
GOOD: hadoop 1.0.4 / hive 0.10.0 (apache download)
Meanwhile I have also tried Hortonworks Data Platform 1.2.1
GOOD: HDP1.2.1 Apache Hadoop 1.1.2-rc3 / Apache Hive 0.10.0
So it seems that the issue is in hive-0.9 now.
My real problem is that both Hortonworks and Cloudera bundle hive-0.9 with
hadoop-2.x.y and I wanted to use hadoop-2.x.y with hive-0.10.x and not hadoop-1.
> Hive+RCFile is not doing column pruning and reading much more data than
> necessary
> ---------------------------------------------------------------------------------
>
> Key: HIVE-4014
> URL: https://issues.apache.org/jira/browse/HIVE-4014
> Project: Hive
> Issue Type: Bug
> Reporter: Vinod Kumar Vavilapalli
> Assignee: Vinod Kumar Vavilapalli
>
> With even simple projection queries, I see that HDFS bytes read counter
> doesn't show any reduction in the amount of data read.
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