loudongfeng commented on code in PR #4812:
URL: https://github.com/apache/incubator-gluten/pull/4812#discussion_r1547052679
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backends-clickhouse/src/main/scala/org/apache/gluten/backendsapi/clickhouse/CHListenerApi.scala:
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@@ -62,6 +63,21 @@ class CHListenerApi extends ListenerApi with Logging {
s".local_engine.settings.log_processors_profiles",
"true")
+ // add memory limit for external sort
Review Comment:
If in memory sort size is not set for SortingStep, then use this formula to
assign one:
(executor's OffHeap Memory Size / cores per executors) * 0.8
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