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From "James Taylor (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-12672) Support optionally replicating a table synchronously
Date Fri, 12 Dec 2014 06:08:13 GMT

    [ https://issues.apache.org/jira/browse/HBASE-12672?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14243763#comment-14243763
] 

James Taylor commented on HBASE-12672:
--------------------------------------

What is you could define the replication message protocol to have a higher level of service
for some HBase tables? So instead of replicating synchronously, you'd have guaranteed delivery.
It'd be more expensive, but a useful option under some circumstances.

> Support optionally replicating a table synchronously
> ----------------------------------------------------
>
>                 Key: HBASE-12672
>                 URL: https://issues.apache.org/jira/browse/HBASE-12672
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: James Taylor
>            Priority: Minor
>
> Sometimes a table may contain state in which it's crucial to know that replication occurred
before continuing with the update. Though this would mean that you'd block updates to this
table if your secondary cluster was unavailable, that might be a tradeoff that a user would
be willing to make. An example would be in support of SQL sequences. See this thread (http://s.apache.org/fTP)
and PHOENIX-1422 for more discussion and context.



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