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Posted to issues@quickstep.apache.org by "Navneet Potti (JIRA)" <ji...@apache.org> on 2016/09/03 13:08:20 UTC

[jira] [Created] (QUICKSTEP-54) Reduce hash table initial size and let it resize dynamically

Navneet Potti created QUICKSTEP-54:
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             Summary: Reduce hash table initial size and let it resize dynamically
                 Key: QUICKSTEP-54
                 URL: https://issues.apache.org/jira/browse/QUICKSTEP-54
             Project: Apache Quickstep
          Issue Type: Bug
          Components: Query Optimizer
            Reporter: Navneet Potti
            Assignee: Jianqiao Zhu
            Priority: Minor


Quickstep produces this warning when running some of the later queries in the TPCH benchmark at SF 100 on Cloudlab.
tcmalloc: large alloc 1610612736 bytes == 0x99ed4000 @
tcmalloc: large alloc 1610612736 bytes == 0x89ec4000 @
tcmalloc: large alloc 1610612736 bytes == 0x89ec4000 @

This warning does not seem to affect query execution, as far as I can tell.



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