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https://issues.apache.org/jira/browse/IGNITE-10733?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Konstantinov updated IGNITE-10733:
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Ignite Flags: (was: Docs Required)
> CassandraStore in write behind mode loses data when back-pressure is active
> ---------------------------------------------------------------------------
>
> Key: IGNITE-10733
> URL: https://issues.apache.org/jira/browse/IGNITE-10733
> Project: Ignite
> Issue Type: Bug
> Components: cache, cassandra
> Affects Versions: 2.5, 2.6, 2.7
> Reporter: Dmitry Konstantinov
> Priority: Critical
>
> When WriteBehindStore writes data synchronously to an underline store using
> back-pressure logic (storeSingleValue) - the operation is happened in a
> transaction. CassandraStore uses presence of transaction to clarify is it a
> atomicity needed: if there is a transaction - CassandraStore accumulates data
> in a session-local attribute. When transaction is committed WriteBehindStore
> is notified about the related session end but CassandraStore is not notified
> (and not subscribed using a session listener), as a result CassandraStore
> does not flush the accumulated values in this cases and they are lost.
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