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https://issues.apache.org/jira/browse/IGNITE-19745?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexander Lapin updated IGNITE-19745:
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Summary: Add ability to retrieve/scan over meta storage revisions for a
specific key (was: Watch listeners don't receive events with revision lower
than the applied revision)
> Add ability to retrieve/scan over meta storage revisions for a specific key
> ---------------------------------------------------------------------------
>
> Key: IGNITE-19745
> URL: https://issues.apache.org/jira/browse/IGNITE-19745
> Project: Ignite
> Issue Type: Bug
> Reporter: Sergey Uttsel
> Assignee: Sergey Uttsel
> Priority: Major
> Labels: ignite-3
>
> h3. *Motivation*
> In https://issues.apache.org/jira/browse/IGNITE-19735 I have tried to extends
> MetaStorageManager api with
> {code:java}
> void registerPrefixWatch(ByteArray key, long startRevision, WatchListener
> lsnr){code}
> method for the watch listeners receive the events with revision lower than
> the applied revision. The KeyValueStorage#watchRange method already has a
> start revision number so the issue seems easy. But I have written a test and
> see that the watch listener receives events with revisions which are grater
> than the applied revision only. See
> https://github.com/gridgain/apache-ignite-3/tree/ignite-19735_1 and test
> ItMetaStorageWatchTest#testWatchWithOldStartRevision.
> h3. *Definition of Done*
> Watch listeners which were registered with a start revision lower that the
> applied revision must receive all events from a start revision.
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