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https://issues.apache.org/jira/browse/SPARK-11208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen updated SPARK-11208:
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Assignee: Artem Aliev
> Filter out 'hive.metastore.rawstore.impl' from executionHive temporary config
> -----------------------------------------------------------------------------
>
> Key: SPARK-11208
> URL: https://issues.apache.org/jira/browse/SPARK-11208
> Project: Spark
> Issue Type: Bug
> Components: SQL
> Affects Versions: 1.5.1, 1.6.0
> Reporter: Artem Aliev
> Assignee: Artem Aliev
> Fix For: 1.6.0
>
>
> Spark use two hive meta stores: external one for storing tables and internal
> one (executionHive):
> {code}
> /**
> The copy of the hive client that is used for execution. Currently this must
> always be
> Hive 13 as this is the version of Hive that is packaged with Spark SQL. This
> copy of the
> client is used for execution related tasks like registering temporary
> functions or ensuring
> that the ThreadLocal SessionState is correctly populated. This copy of Hive
> is not used
> for storing persistent metadata, and only point to a dummy metastore in a
> temporary directory. */
> {code}
> The executionHive assumed to be a standard meta store located in temporary
> directory as a derby db. But hive.metastore.rawstore.impl was not filtered
> out so any custom implementation of the metastore with other storage
> properties (not JDO) will persist that temporary functions.
> CassandraMetaStore from DataStax Enterprise is one of examples.
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