[jboss-jira] [JBoss JIRA] Resolved: (JGRP-922) FLUSH: let application handle concurrent flushing

[Vladimir Blagojevic (JIRA)]

     [ https://jira.jboss.org/jira/browse/JGRP-922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Blagojevic resolved JGRP-922.
--------------------------------------

    Resolution: Done


> FLUSH: let application handle concurrent flushing
> -------------------------------------------------
>
>                 Key: JGRP-922
>                 URL: https://jira.jboss.org/jira/browse/JGRP-922
>             Project: JGroups
>          Issue Type: Task
>    Affects Versions: 2.5, 2.6, 2.7
>            Reporter: Vladimir Blagojevic
>            Assignee: Vladimir Blagojevic
>             Fix For: 2.6.9, 2.8
>
>
> We decided to allow application handle flush retires rather than handle it within flush itself. The new algorithm is:
>  - Send a START-FLUSH to all members in the target set
>  - Every member sets the flushInProgress flag to true
>    - If this succeeds, the member sends back an OK
>    - Else a FAIL is sent back
>  - If we received OKs from all members, startFlush() succeeded and returns true
>  - If 1 FAIL is received:
>    - Send an ABORT-FLUSH to all members which took part in the flush, causes flushInProgress to be set to false
>    - startFlush() failed and returns false 

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