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From "Xuefu Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-8795) Switch precommit test from local to local-cluster [Spark Branch]
Date Wed, 12 Nov 2014 19:11:37 GMT

    [ https://issues.apache.org/jira/browse/HIVE-8795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14208484#comment-14208484
] 

Xuefu Zhang commented on HIVE-8795:
-----------------------------------

Requiring a Spark installation can be as simple as downloading a tarball as part of the build
and untar it to a folder to which SPARK_HOME can be set. It's possible, however, with Spark
assembly + certain scripts, we may not even need the tarball. However, I haven't tried this
combination, but according to Spark folks, this is possible.

> Switch precommit test from local to local-cluster [Spark Branch]
> ----------------------------------------------------------------
>
>                 Key: HIVE-8795
>                 URL: https://issues.apache.org/jira/browse/HIVE-8795
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Spark
>            Reporter: Xuefu Zhang
>            Assignee: Szehon Ho
>
>  It seems unlikely that Spark community will provide MRMiniCluster equivalent (SPARK-3691),
and Spark local-cluster was the recommendation. Latest research shows that Spark local-cluster
works with Hive. Therefore, for now, we use Spark local-cluster (instead of current local)
for our precommit test.
> It's previous belived (HIVE-7382) that a Spark installation is required and SPARK_HOME
env variable needs to set. Since Spark pulls in Spark's assembly jar, it's believed now we
only need a few script from Spark installation instead.



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