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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HBASE-11634) Disallow non-atomic update operations when TIMELINE consistency is enabled
Date Thu, 16 Apr 2015 15:30:59 GMT

     [ https://issues.apache.org/jira/browse/HBASE-11634?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Devaraj Das resolved HBASE-11634.
---------------------------------
    Resolution: Later

Not clear what to do here. Please reopen when it is clearer.

> Disallow non-atomic update operations when TIMELINE consistency is enabled
> --------------------------------------------------------------------------
>
>                 Key: HBASE-11634
>                 URL: https://issues.apache.org/jira/browse/HBASE-11634
>             Project: HBase
>          Issue Type: Sub-task
>          Components: Client, Usability
>    Affects Versions: 0.99.0, hbase-10070
>            Reporter: Nick Dimiduk
>
> Something to consider for the HBASE-10070 line of changes. When a client reads a timeline
consistent view of data, read-update-write operations are potentially destructive. When a
client is accepting TIMELINE reads, we should only allow server-side atomic update operations.
> In a future state, we could offer a CRDT-based data type to further extend the set of
write operations that are guaranteed safe under this consistency model.
> I may not have the semantics of the new client API correct, but this is the idea: do
what we can to protect users from the major dangers of this relaxed consistency model.



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