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Posted to issues@impala.apache.org by "Mostafa Mokhtar (JIRA)" <ji...@apache.org> on 2017/07/17 22:15:00 UTC

[jira] [Created] (IMPALA-5673) Track exchange node buffers memory as part of memory reservation

Mostafa Mokhtar created IMPALA-5673:
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             Summary: Track exchange node buffers memory as part of memory reservation 
                 Key: IMPALA-5673
                 URL: https://issues.apache.org/jira/browse/IMPALA-5673
             Project: IMPALA
          Issue Type: Sub-task
            Reporter: Mostafa Mokhtar


Queries with a large number of exchange operators end up with untracked memory in the form of buffer space allocated per DataStreamRecvr.

exchg_node_buffer_size_bytes can be used to calculate how much memory will be used by DataStreamRecvr. 



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