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https://issues.apache.org/jira/browse/HDDS-6849?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17562796#comment-17562796
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Neil Joshi commented on HDDS-6849:
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Splitting Jira ticket into two separate tickets,
i.) Snapshot metadata table definition and integration into OM. This ticket
including on-disk structure to store RocksDB snapshotinfo table with an entry
for each snapshot taken.
ii.) On disk structure and cache to store, add, delete, load and lookup
snapshot chains - list of snapshots in chronological order for each
snapshottable bucket (volume in v2).
> OM changes for tracking Snapshot Metadata
> -----------------------------------------
>
> Key: HDDS-6849
> URL: https://issues.apache.org/jira/browse/HDDS-6849
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: Ozone Manager
> Affects Versions: 1.3.0
> Reporter: Prashant Pogde
> Assignee: Neil Joshi
> Priority: Major
>
> This Jira will be used to track changes for maintaining additional metadata
> to support Snapshot feature. This will include on-disk structure i.e. new
> RocksDB table(s) to track
> * all buckets that are snapshotted
> * list of all the snapshots for such buckets
> In-memory structure would maintain an LRU cache of snapshot-chains for
> snapshotted buckets as required.
> Also, Refer to CheckpointBasedDesign doc for details.
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