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wangwenli commented on HIVE-13308: ---------------------------------- [~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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)