Yingjie Cao created FLINK-25653:
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Summary: Move buffer recycle in SortMergeSubpartitionReader out of
lock to avoid deadlock
Key: FLINK-25653
URL: https://issues.apache.org/jira/browse/FLINK-25653
Project: Flink
Issue Type: Sub-task
Components: Runtime / Network
Affects Versions: 1.13.5, 1.14.3
Reporter: Yingjie Cao
Fix For: 1.15.0, 1.13.6, 1.14.4
For the current sort-shuffle implementation, the different lock order in
SortMergeSubpartitionReader and SortMergeResultPartitionReadScheduler can cause
deadlock. To solve the problem, we can move buffer recycle in
SortMergeSubpartitionReader out of the lock.
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