viirya commented on a change in pull request #26164: [SPARK-21492][SQL] Fix
memory leak in SortMergeJoin
URL: https://github.com/apache/spark/pull/26164#discussion_r336653107
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1437,6 +1437,14 @@ object SQLConf {
.intConf
.createWithDefault(SHUFFLE_SPILL_NUM_ELEMENTS_FORCE_SPILL_THRESHOLD.defaultValue.get)
+ val SORT_MERGE_JOIN_EXEC_EAGER_CLEANUP_RESOURCES =
+ buildConf("spark.sql.sortMergeJoinExec.eagerCleanupResources")
+ .internal()
+ .doc("When true, the SortMergeJoinExec will trigger all upstream
resources cleanup right " +
+ "after it finishes computing.")
+ .booleanConf
+ .createWithDefault(true)
Review comment:
In any case, we will like to set this false? We need it to be configurable?
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