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Posted to issues@ratis.apache.org by "Lokesh Jain (Jira)" <ji...@apache.org> on 2020/02/27 11:08:01 UTC

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

     [ https://issues.apache.org/jira/browse/RATIS-801?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lokesh Jain updated RATIS-801:
------------------------------
    Fix Version/s:     (was: 0.5.0)
                   0.6.0

> 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: Bharat Viswanadham
>            Priority: Major
>             Fix For: 0.6.0
>
>
> 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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