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From "Kiran Ayyagari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DIRSERVER-1968) [replication] Avoid updating all the index when we have an entry modification
Date Fri, 04 Apr 2014 05:06:15 GMT

    [ https://issues.apache.org/jira/browse/DIRSERVER-1968?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13959635#comment-13959635
] 

Kiran Ayyagari commented on DIRSERVER-1968:
-------------------------------------------

Nope, it doesn't delete and re-create, instead client does a diff and updates those attributes
that were changed or are newly added.

> [replication] Avoid updating all the index when we have an entry modification
> -----------------------------------------------------------------------------
>
>                 Key: DIRSERVER-1968
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1968
>             Project: Directory ApacheDS
>          Issue Type: Improvement
>    Affects Versions: 2.0.0-M16
>            Reporter: Emmanuel Lecharny
>             Fix For: 2.0.0-RC1
>
>
> Currently, when an entry is being modified and replicated, the receiving replica will
simply delete the existing entry and re-create it, updating all the indexes in the process.
> We can compute the attribute being updated and apply the modification o the impacted
indexes, leaving the other ones unchanged. 
> That would save a lot of CPU and disk access.



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