Github user jaltekruse commented on a diff in the pull request:
https://github.com/apache/drill/pull/381#discussion_r54017535
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/physical/impl/join/HashJoinProbeTemplate.java
---
@@ -47,7 +47,11 @@
private HashJoinBatch outgoingJoinBatch = null;
- private static final int TARGET_RECORDS_PER_BATCH = 4000;
+ private int targetRecordsPerBatch = 4000;
+
+ private boolean adjustTargetRecordsPerBatch = true;
--- End diff --
It looks like this flag is designed to allow the adjustment to only happen
once, is that actually what we want? If the row size is growing it would seem
like a good idea to allow for several batch size adjustments. It also removes
another boolean state to manage.
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