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Posted to issues@ratis.apache.org by "Shashikant Banerjee (Jira)" <ji...@apache.org> on 2020/01/23 09:31:00 UTC

[jira] [Created] (RATIS-801) Ratis snapshot should consider stateMachine#appliedIndex for triggering snapshot

Shashikant Banerjee created RATIS-801:
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             Summary: Ratis snapshot should consider stateMachine#appliedIndex for triggering snapshot
                 Key: RATIS-801
                 URL: https://issues.apache.org/jira/browse/RATIS-801
             Project: Ratis
          Issue Type: Improvement
    Affects Versions: 0.5.0
            Reporter: Shashikant Banerjee
            Assignee: Shashikant Banerjee
             Fix For: 0.5.0


Currently, while triggering snapshot, snapshotUpdater#appliedIndex is taken into account to decide whether it has exceeded the snapshot threshold from the last snapshotIndex. This may lead to creating more snapshots than usual as stateMachineUpdater#appliedIndex is updated as soon as the applyTransaction call happens. Ideally, Ratis snapshot should nbe triggered taking stateMachine's applied index into account.



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