[infinispan-issues] [JBoss JIRA] Commented: (ISPN-328) Async store to support frequency based flushing

[Galder Zamarreno (JIRA)]

    [ https://jira.jboss.org/jira/browse/ISPN-328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12520600#action_12520600 ] 

Galder Zamarreno commented on ISPN-328:
---------------------------------------

More info can be found in: http://community.jboss.org/docs/DOC-14629

swami_venkat's comments are particularly interesting: "For periodic or schedules updates,  in the past we have implemented  scheduled updater based on quartz in order to avoid inconsistencies across a cluster. Has this been thought of?"

We'll have to make sure we avoid situations like this: Imagine a cluster of two Infinispan nodes, A and B using a shared DB via a async cache store.

1. put("k", "v1") done in A
2. put("k", "v2") done in B
3. async cache store in B stores v2 into db
4. async cache store in A stores v1 into db -> db in inconsistent state


> Async store to support frequency based flushing
> -----------------------------------------------
>
>                 Key: ISPN-328
>                 URL: https://jira.jboss.org/jira/browse/ISPN-328
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Loaders and Stores
>            Reporter: Galder Zamarreno
>            Assignee: Galder Zamarreno
>             Fix For: 4.1.0.BETA1
>
>
> Implement frequency based flushing in the async store. This is also called, Scheduled Write-Behing Strategy.

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