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Posted to issues@hive.apache.org by "Sergey Shelukhin (JIRA)" <ji...@apache.org> on 2015/04/15 00:53:59 UTC
[jira] [Commented] (HIVE-10334) LLAP: Self-joins with the cache
enabled
[ https://issues.apache.org/jira/browse/HIVE-10334?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14495074#comment-14495074 ]
Sergey Shelukhin commented on HIVE-10334:
-----------------------------------------
I can repro this locally
> LLAP: Self-joins with the cache enabled
> ---------------------------------------
>
> Key: HIVE-10334
> URL: https://issues.apache.org/jira/browse/HIVE-10334
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: llap
> Reporter: Gopal V
> Assignee: Sergey Shelukhin
>
> Looks like reading the same split from 2 tasks in the same process might have some corner cases.
> {code}
> hive> select count(1) from tpch_orc_snappy_1000.region y join tpch_orc_snappy_1000.region x;
> OK
> 0
> {code}
> {code}
> hive> set hive.llap.io.enabled=false;
> hive> select count(1) from tpch_orc_snappy_1000.region y join tpch_orc_snappy_1000.region x;
> OK
> 25
> {code}
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