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Posted to commits@cassandra.apache.org by "Brandon Williams (JIRA)" <ji...@apache.org> on 2011/02/20 01:07:38 UTC

[jira] Commented: (CASSANDRA-2045) Simplify HH to decrease read load when nodes come back

    [ https://issues.apache.org/jira/browse/CASSANDRA-2045?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12996934#comment-12996934 ] 

Brandon Williams commented on CASSANDRA-2045:
---------------------------------------------

Do we still need to get this fancy now that we have CASSANDRA-2161?

> Simplify HH to decrease read load when nodes come back
> ------------------------------------------------------
>
>                 Key: CASSANDRA-2045
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2045
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Chris Goffinet
>             Fix For: 0.7.3
>
>
> Currently when HH is enabled, hints are stored, and when a node comes back, we begin sending that node data. We do a lookup on the local node for the row to send. To help reduce read load (if a node is offline for long period of time) we should store the data we want forward the node locally instead. We wouldn't have to do any lookups, just take byte[] and send to the destination.

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