Yuxin Tan created FLINK-28823:
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Summary: Enlarge the max requested buffers for
SortMergeResultPartitionReadScheduler
Key: FLINK-28823
URL: https://issues.apache.org/jira/browse/FLINK-28823
Project: Flink
Issue Type: Sub-task
Components: Runtime / Network
Affects Versions: 1.16.0
Reporter: Yuxin Tan
The num of the max requested buffers in SortMergeResultPartitionReadScheduler
is determined by the num of subpartitions, which may be insufficient in some
scenarios, such as speculative execution and partition reuse.
Therefore, we should increase the max requested buffers to make full use of
available memory when TM memory is sufficient.
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