Dandandan commented on code in PR #3545:
URL: https://github.com/apache/arrow-datafusion/pull/3545#discussion_r976783193
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datafusion/core/src/physical_plan/sorts/sort.rs:
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@@ -273,6 +275,7 @@ impl MemoryConsumer for ExternalSorter {
&self.expr,
self.session_config.batch_size(),
tracking_metrics,
+ self.fetch,
Review Comment:
Yeah maybe the spilling could see the remaining batch is so small it could
add the sorted data to memory again - avoiding the spill 🤔
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