Github user Ben-Zvi commented on a diff in the pull request:
https://github.com/apache/drill/pull/822#discussion_r118103592
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/ExecConstants.java ---
@@ -86,6 +92,19 @@
BooleanValidator EXTERNAL_SORT_DISABLE_MANAGED_OPTION = new
BooleanValidator("exec.sort.disable_managed", false);
+ // Hash Aggregate Options
+
+ String HASHAGG_NUM_PARTITIONS_KEY = "drill.exec.hashagg.num_partitions";
--- End diff --
Changed all three to have both the config option ("drill.exec.hashagg....")
and its matching _KEY (same, sans the prefix "drill.") which is only used to
create the validator.
Hence all three can be set either in the config file, or for the session:
Number of partitions, max memory, and minimum batches per partitions.
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