arina-ielchiieva commented on a change in pull request #2047: DRILL-7675: Work
around for partitions sender memory use
URL: https://github.com/apache/drill/pull/2047#discussion_r403903697
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/ExecConstants.java
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@@ -189,6 +188,12 @@ private ExecConstants() {
public static final BooleanValidator HASHAGG_FALLBACK_ENABLED_VALIDATOR =
new BooleanValidator(HASHAGG_FALLBACK_ENABLED_KEY,
new OptionDescription("Hash Aggregates ignore memory limits when enabled
(true). When disabled (false), Hash Aggregates fail when memory is set too
low."));
+ // Partitioner options
+ public static final String PARTITIONER_MEMORY_REDUCTION_THRESHOLD_KEY =
"exec.partition.mem_throttle";
+ public static final LongValidator
PARTITIONER_MEMORY_REDUCTION_THRESHOLD_VALIDATOR =
+ new RangeLongValidator(PARTITIONER_MEMORY_REDUCTION_THRESHOLD_KEY, 0,
Integer.MAX_VALUE,
+ new OptionDescription("Linearly reduces partition sender buffer row
count after this number of receivers. Default is 0 (disabled)."));
Review comment:
Please also add Drill version when option was introduced: `(Drill 1.18+)`
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