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Posted to issues@flink.apache.org by "Sihua Zhou (JIRA)" <ji...@apache.org> on 2018/06/16 10:07:00 UTC

[jira] [Created] (FLINK-9601) Snapshot of CopyOnWriteStateTable will failed, when the amount of record is more than MAXIMUM_CAPACITY

Sihua Zhou created FLINK-9601:
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             Summary: Snapshot of CopyOnWriteStateTable will failed, when the amount of record is more than MAXIMUM_CAPACITY
                 Key: FLINK-9601
                 URL: https://issues.apache.org/jira/browse/FLINK-9601
             Project: Flink
          Issue Type: Bug
          Components: State Backends, Checkpointing
    Affects Versions: 1.6.0
            Reporter: Sihua Zhou
            Assignee: Sihua Zhou
             Fix For: 1.6.0


In short, the problem is that we reuse the `snaphotData` as the output array when partitioning the input data, but the `snapshotData` is max length is `1 << 30`. So when the records in `CopyOnWriteStateTable` is more than `1 << 30` (e.g. 1 <<30 + 1), then the check `Preconditions.checkState(partitioningDestination.length >= numberOfElements);` could be failed.



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