aitozi created FLINK-12492:
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Summary: Minor optimize the cep operator by avoiding unnecessary
copy
Key: FLINK-12492
URL: https://issues.apache.org/jira/browse/FLINK-12492
Project: Flink
Issue Type: Improvement
Components: Library / CEP
Affects Versions: 1.9.0
Reporter: aitozi
Assignee: aitozi
Fix For: 1.9.0
When use with rocksdbbackend, we can skip the copy of input events. But to make
this more constraint, i add a method in the KeyedStateBackend interface to make
this still work id there is added a new backend..
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