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Posted to issues@ignite.apache.org by "Maksim Timonin (Jira)" <ji...@apache.org> on 2022/09/07 10:07:00 UTC

[jira] [Created] (IGNITE-17645) Add last WAL segment into SnapshotMetadata

Maksim Timonin created IGNITE-17645:
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             Summary: Add last WAL segment into SnapshotMetadata
                 Key: IGNITE-17645
                 URL: https://issues.apache.org/jira/browse/IGNITE-17645
             Project: Ignite
          Issue Type: New Feature
            Reporter: Maksim Timonin
            Assignee: Maksim Timonin


It's required to add info about last WAL segment that contains snapshotted data. This info is used by incremental snapshots to find WAL segments to store.

_ClusterSnapshotRecord_ must be written with {{{}rolloverType=NEXT_SEGMENT{}}}. A *previous* segment number is stored within existing structure {_}SnapshotMetadata{_}.

IEP description:

https://cwiki.apache.org/confluence/display/IGNITE/IEP-89%3A+Incremental+Snapshots

 



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