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https://issues.apache.org/jira/browse/FLINK-31194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nicholas Jiang updated FLINK-31194:
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Summary: Introduces savepoint mechanism of Table Store (was: ntroduces
savepoint mechanism of Table Store)
> Introduces savepoint mechanism of Table Store
> ---------------------------------------------
>
> Key: FLINK-31194
> URL: https://issues.apache.org/jira/browse/FLINK-31194
> Project: Flink
> Issue Type: New Feature
> Components: Table Store
> Affects Versions: table-store-0.4.0
> Reporter: Nicholas Jiang
> Priority: Major
> Fix For: table-store-0.4.0
>
>
> Disaster Recovery is very much mission critical for any software. Especially
> when it comes to data systems, the impact could be very serious leading to
> delay in business decisions or even wrong business decisions at times. Flink
> Table Store could introduce savepoint mechanism to assist users in recovering
> data from a previous state.
> As the name suggest, "savepoint" saves the table as of the snapshot, so that
> it lets you restore the table to this savepoint at a later point in snapshot
> if need be. Care is taken to ensure cleaner will not clean up any files that
> are savepointed. On similar lines, savepoint cannot be triggered on a
> snapshot that is already cleaned up. In simpler terms, this is synonymous to
> taking a backup, just that we don't make a new copy of the table, but just
> save the state of the table elegantly so that we can restore it later when in
> need.
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