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Posted to dev@hive.apache.org by "Vaibhav Gumashta (JIRA)" <ji...@apache.org> on 2013/09/09 09:20:51 UTC

[jira] [Created] (HIVE-5244) Concurrent query compilation in HiveServer2

Vaibhav Gumashta created HIVE-5244:
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             Summary: Concurrent query compilation in HiveServer2
                 Key: HIVE-5244
                 URL: https://issues.apache.org/jira/browse/HIVE-5244
             Project: Hive
          Issue Type: Improvement
          Components: HiveServer2
            Reporter: Vaibhav Gumashta
            Assignee: Vaibhav Gumashta


Currently, in an HS2 process, multiple threads block on query compilation (check Driver#runInternal) due to coarse level threading at the Driver class object level. This can be a severe performance bottleneck, especially for a remote server serving multiple clients. 

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