[infinispan-issues] [JBoss JIRA] (ISPN-3426) L1 inconsistency in tx caches when backup owner replies to remote get

[Divya Mehra (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-3426?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Divya Mehra updated ISPN-3426:
------------------------------

    Labels: jdg620_dm  (was: )

    
> L1 inconsistency in tx caches when backup owner replies to remote get
> ---------------------------------------------------------------------
>
>                 Key: ISPN-3426
>                 URL: https://issues.jboss.org/browse/ISPN-3426
>             Project: Infinispan
>          Issue Type: Bug
>    Affects Versions: 6.0.0.Alpha2
>            Reporter: Pedro Ruivo
>            Assignee: William Burns
>              Labels: jdg620_dm
>
> Consider the following scenario
> {noformat}node1: performs a remote get
> node2 (backup owner): receives and replies to the remote get with v1
> node1: receives the repli and store in L1_ key => v1
> node2 (backup owner): commits a new value (v2) for the key (i.e. processes a commit command)
> node3 (primary owner): sends the invalidation (but not for node1 because it hasn't received the remote get yet) and commits a new value (v2) for the key (i.e. processes a commit command) 
> node3 (primary owner): replies to the remote get with v2
> node1: ignores the reply because it used the node2 reply
> {noformat} 
> *conclustion*: node1 keeps the old value stored in L1.
> Possible solutions described here:
> [L1 consistency for transactional caches|http://markmail.org/thread/ckbihuj5ch7qtdzj]
> Could also be interesting:
> [Staggered get question|http://markmail.org/thread/qun2frj2u5a2hnj2]
> and
> [ISPN-825|https://issues.jboss.org/browse/ISPN-825]

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