[GitHub] drill pull request #920: DRILL-5737: Hash Agg uses more than the allocated m...

[sohami]

GitHub user sohami opened a pull request:

    https://github.com/apache/drill/pull/920

    DRILL-5737: Hash Agg uses more than the allocated memory under certai…

    …n low memory conditions
    
                Note: Provide a new config parameter HASHAGG_FALLBACK_ENABLED 
which is set to true by default. When 2 Phase
                HashAgg doesn't have enough memory to hold 2 partitions then 
based on this flag it either fallsback to old
                behavior of consuming unbounded memory or it fails the query.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/sohami/drill DRILL-5737

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/drill/pull/920.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #920
    
----
commit b534fd67908ea6cc5471c650bd6c3ae1c193d2f4
Author: Sorabh Hamirwasia <shamirwa...@maprtech.com>
Date:   2017-08-23T01:20:51Z

    DRILL-5737: Hash Agg uses more than the allocated memory under certain low 
memory conditions
                Note: Provide a new config parameter HASHAGG_FALLBACK_ENABLED 
which is set to true by default. When 2 Phase
                HashAgg doesn't have enough memory to hold 2 partitions then 
based on this flag it either fallsback to old
                behavior of consuming unbounded memory or it fails the query.

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