andygrove commented on code in PR #1021:
URL: https://github.com/apache/datafusion-comet/pull/1021#discussion_r1900936196
##########
common/src/main/scala/org/apache/comet/CometConf.scala:
##########
@@ -467,6 +467,15 @@ object CometConf extends ShimCometConf {
.booleanConf
.createWithDefault(false)
+ val COMET_EXEC_MEMORY_POOL_TYPE: ConfigEntry[String] =
conf("spark.comet.exec.memoryPool")
+ .doc(
+ "The type of memory pool to be used for Comet native execution. " +
+ "Available memory pool types are 'greedy', 'fair_spill',
'greedy_task_shared', " +
+ "'fair_spill_task_shared', 'greedy_global' and 'fair_spill_global', By
default, " +
+ "this config is 'greedy_task_shared'.")
Review Comment:
We should add that this config only takes effect when off-heap memory is
disabled.
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