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https://issues.apache.org/jira/browse/SPARK-7331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Michael Armbrust resolved SPARK-7331.
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Resolution: Fixed
Fix Version/s: 1.2.3
Issue resolved by pull request 6036
[https://github.com/apache/spark/pull/6036]
> Create HiveConf per application instead of per query in HiveQl.scala
> --------------------------------------------------------------------
>
> Key: SPARK-7331
> URL: https://issues.apache.org/jira/browse/SPARK-7331
> Project: Spark
> Issue Type: Improvement
> Components: SQL
> Affects Versions: 1.2.0, 1.3.0
> Reporter: Nitin Goyal
> Priority: Minor
> Fix For: 1.2.3
>
>
> A new HiveConf is created per query in getAst method in HiveQl.scala
> def getAst(sql: String): ASTNode = {
> /*
> * Context has to be passed in hive0.13.1.
> * Otherwise, there will be Null pointer exception,
> * when retrieving properties form HiveConf.
> */
> val hContext = new Context(new HiveConf())
> val node = ParseUtils.findRootNonNullToken((new ParseDriver).parse(sql,
> hContext))
> hContext.clear()
> node
> }
> Creating hiveConf adds a minimum of 90ms delay per query. So moving its
> creation in Object such that it gets created once.
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