advancedxy commented on code in PR #380:
URL: https://github.com/apache/datafusion-comet/pull/380#discussion_r1591288260
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spark/src/main/scala/org/apache/comet/CometSparkSessionExtensions.scala:
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@@ -916,7 +916,10 @@ object CometSparkSessionExtensions extends Logging {
private[comet] def isCometShuffleEnabled(conf: SQLConf): Boolean =
COMET_EXEC_SHUFFLE_ENABLED.get(conf) &&
(conf.contains("spark.shuffle.manager") &&
conf.getConfString("spark.shuffle.manager") ==
- "org.apache.spark.sql.comet.execution.shuffle.CometShuffleManager")
+ "org.apache.spark.sql.comet.execution.shuffle.CometShuffleManager") &&
+ // TODO: AQE coalesce partitions feature causes Comet shuffle memory
leak.
Review Comment:
The allocator is force closed at two places: task completion callback and
the CompletionIterator per input stream. The memory leak issue should be
reported if the arrow buffers are not released in these two places.
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