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https://issues.apache.org/jira/browse/DRILL-1022?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14036959#comment-14036959
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Aman Sinha commented on DRILL-1022:
-----------------------------------
Uploaded patch with the following enhancements: 2 new option settings were
added: 'exec.min_hash_table_size' and 'exec.max_hash_table_size'. These
control the minimum and maximum hash table size - Note that these values are
in terms of number of hash buckets, not in terms of memory size. The default
value of min_hash_table_size is 2^16 and max_hash_table_size is 2^30 which is
also the upper bound for both settings. For most practical purposes, only the
minimum size needs to be modified if needed.
> Provide option settings for controlling hash table size
> -------------------------------------------------------
>
> Key: DRILL-1022
> URL: https://issues.apache.org/jira/browse/DRILL-1022
> Project: Apache Drill
> Issue Type: Improvement
> Reporter: Aman Sinha
> Assignee: Aman Sinha
> Attachments: DRILL-1022.patch
>
>
> Provide session and system option settings to control the minimum and maximum
> hash table size for operators such as HashJoin and HashAggregate.
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