[infinispan-issues] [JBoss JIRA] Updated: (ISPN-1195) Rehashing and state transfer to use digesting

[Manik Surtani (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-1195?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manik Surtani updated ISPN-1195:
--------------------------------

    Forum Reference: http://lists.jboss.org/pipermail/infinispan-dev/2011-May/thread.html


Some preliminary design notes: http://community.jboss.org/docs/DOC-16815

> Rehashing and state transfer to use digesting
> ---------------------------------------------
>
>                 Key: ISPN-1195
>                 URL: https://issues.jboss.org/browse/ISPN-1195
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Distributed Cache, State transfer
>    Affects Versions: 5.0.0.FINAL
>            Reporter: Manik Surtani
>            Assignee: Dan Berindei
>            Priority: Critical
>              Labels: rehash, state_transfer, versioning
>             Fix For: 5.1.0.BETA1, 5.1.0.Final
>
>
> Rather than pushing entire state to new joiners, a mechanism of digests should be used to minimise network transfers.  For example, Merkle trees can be used to determine which entries are out of date and need pushing, in the case of nodes that persist to a local cache store, and is restarted but still has access to some state on disk.
> This would require versioned entries though.

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