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https://issues.apache.org/jira/browse/DRILL-5457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16027238#comment-16027238
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ASF GitHub Bot commented on DRILL-5457:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/822#discussion_r118813780
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/aggregate/HashAggTemplate.java
---
@@ -400,114 +782,411 @@ public IterOutcome getOutcome() {
@Override
public int getOutputCount() {
- // return outputCount;
return lastBatchOutputCount;
}
@Override
public void cleanup() {
- if (htable != null) {
- htable.clear();
- htable = null;
- }
+ if ( schema == null ) { return; } // not set up; nothing to clean
+ for ( int i = 0; i < numPartitions; i++) {
--- End diff --
Again, would be good to do this in a partition state class.
> Support Spill to Disk for the Hash Aggregate Operator
> -----------------------------------------------------
>
> Key: DRILL-5457
> URL: https://issues.apache.org/jira/browse/DRILL-5457
> Project: Apache Drill
> Issue Type: Improvement
> Components: Execution - Relational Operators
> Affects Versions: 1.10.0
> Reporter: Boaz Ben-Zvi
> Assignee: Boaz Ben-Zvi
> Fix For: 1.11.0
>
>
> Support gradual spilling memory to disk as the available memory gets too
> small to allow in memory work for the Hash Aggregate Operator.
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