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Posted to issues@ignite.apache.org by "Sergey Uttsel (Jira)" <ji...@apache.org> on 2023/06/15 13:44:00 UTC

[jira] [Created] (IGNITE-19745) Watch listeners don't receive events with revision lower than the applied revision

Sergey Uttsel created IGNITE-19745:
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             Summary: Watch listeners don't receive events with revision lower than the applied revision
                 Key: IGNITE-19745
                 URL: https://issues.apache.org/jira/browse/IGNITE-19745
             Project: Ignite
          Issue Type: Bug
            Reporter: Sergey Uttsel


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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