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https://issues.apache.org/jira/browse/HIVE-13308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15281141#comment-15281141
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wangwenli commented on HIVE-13308:
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[~vanzin] consider the server is initialized one time and stopped only
hiveserver shutting down, seems no concurrent scenarios. still require mark
server variable volatile?
> HiveOnSpark sumbit query very slow when hundred of beeline exectue at same
> time
> -------------------------------------------------------------------------------
>
> Key: HIVE-13308
> URL: https://issues.apache.org/jira/browse/HIVE-13308
> Project: Hive
> Issue Type: Bug
> Components: Spark
> Affects Versions: 1.2.1
> Reporter: wangwenli
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> backgroud: hive on spark , yarn cluster mode
> details:
> when using hundred of beeline submit query at the same time, we found that
> yarn get application very slow, and hiveserver is blocked at
> SparkClientFactory.createClient method
> after analysis, we think the synchronize on SparkClientFactory.createClient ,
> can be removed
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