Shammon created FLINK-25794:
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Summary: Memory pages in LazyMemorySegmentPool should be clear
after they are released to MemoryManager
Key: FLINK-25794
URL: https://issues.apache.org/jira/browse/FLINK-25794
Project: Flink
Issue Type: Sub-task
Components: Table SQL / Runtime
Affects Versions: 1.14.3, 1.13.5, 1.11.6
Reporter: Shammon
`LazyMemorySegmentPool` manages memory segments cache for join, agg, sort and
etc. operators. These segments in the cache will be released to `MemoryManager`
after some specify operations such as join operator finishes to build data in
`LazyMemorySegmentPool.cleanCache` method. But these segments are still in
`LazyMemorySegmentPool.cachePages`, it may cause memory fault if the
`MemoryManager` has deallocated these segments
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