[jboss-jira] [JBoss JIRA] (WFLY-7119) Introduce new web session granularity for consistent fine granularity replication

[Jason Greene (JIRA)]

     [ https://issues.jboss.org/browse/WFLY-7119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Jason Greene updated WFLY-7119:
-------------------------------
    Fix Version/s: 12.0.0.Final
                       (was: 12.0.0.CR1)


> Introduce new web session granularity for consistent fine granularity replication
> ---------------------------------------------------------------------------------
>
>                 Key: WFLY-7119
>                 URL: https://issues.jboss.org/browse/WFLY-7119
>             Project: WildFly
>          Issue Type: Feature Request
>          Components: Clustering
>    Affects Versions: 10.1.0.Final
>            Reporter: Paul Ferraro
>            Assignee: Paul Ferraro
>             Fix For: 12.0.0.Final
>
>
> Currently, ATTRIBUTE granularity sessions are vulnerable to partial stale reads, where some session attributes might have current data, and some are stale.  For some use cases, this might be intolerable.  For these use cases, we should introduce a new session granularity that tracks a version or checksum per attribute, that we can use to detect stale attribute cache entries.
> This new granularity would retain the performance benefits of ATTRIBUTE granularity replication while maintaining the attribute consistency guarantees of SESSION granularity replication.



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