[jira] [Created] (FLINK-21486) Add sanity check when switching from Rocks to Heap timers

[Shang Yuanchun (Jira)]

Dawid Wysakowicz created FLINK-21486:
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             Summary: Add sanity check when switching from Rocks to Heap timers
                 Key: FLINK-21486
                 URL: https://issues.apache.org/jira/browse/FLINK-21486
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / State Backends
    Affects Versions: 1.12.1, 1.11.3
            Reporter: Dawid Wysakowicz
            Assignee: Dawid Wysakowicz
             Fix For: 1.11.4, 1.12.3


When restoring from a savepoint taken with RocksDB and rocks timers with RocksDB state backend and heap timers we will silently ignore all timers. It might lead to correctness issues. We should throw an exception in such a case.



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