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https://issues.apache.org/jira/browse/DRILL-5601?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16093518#comment-16093518
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ASF GitHub Bot commented on DRILL-5601:
---------------------------------------
Github user paul-rogers commented on a diff in the pull request:
https://github.com/apache/drill/pull/860#discussion_r128125131
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/aggregate/StreamingAggTemplate.java
---
@@ -36,6 +36,9 @@
private int previousIndex = -1;
private int underlyingIndex = 0;
private int currentIndex;
+ /**
+ * Number of records added to the current aggregation group. (?)
--- End diff --
Thanks.
> Rollup of External Sort memory management fixes
> -----------------------------------------------
>
> Key: DRILL-5601
> URL: https://issues.apache.org/jira/browse/DRILL-5601
> Project: Apache Drill
> Issue Type: Task
> Affects Versions: 1.11.0
> Reporter: Paul Rogers
> Assignee: Paul Rogers
> Fix For: 1.12.0
>
>
> Rollup of a set of specific JIRA entries that all relate to the very
> difficult problem of managing memory within Drill in order for the external
> sort to stay within a memory budget. In general, the fixes relate to better
> estimating memory used by the three ways that Drill allocates vector memory
> (see DRILL-5522) and to predicting the size of vectors that the sort will
> create, to avoid repeated realloc-copy cycles (see DRILL-5594).
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