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From "Kiran Ayyagari (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DIRSERVER-1721) Replication: Two "master" servers replicate back and forth endlessly
Date Wed, 02 May 2012 07:10:50 GMT

    [ https://issues.apache.org/jira/browse/DIRSERVER-1721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13266395#comment-13266395
] 

Kiran Ayyagari commented on DIRSERVER-1721:
-------------------------------------------

Multi-Master replication is not yet supported, hence the behavior of what I like to call,
'replication event cycle'.
                
> Replication: Two "master" servers replicate back and forth endlessly
> --------------------------------------------------------------------
>
>                 Key: DIRSERVER-1721
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1721
>             Project: Directory ApacheDS
>          Issue Type: Improvement
>            Reporter: Devin Rosenbauer
>
> I've got two ApacheDS servers, which I want to form a cluster for high availability purposes.
LDAP1 replicates to LDAP2, and vice versa. The problem is that writing an attribute to LDAP1
causes it to update LDAP2, which causes it to update LDAP1, which causes it to update LDAP2,
etc. I have no problem with the first three steps (LDAP1 -> LDAP2 -> LDAP1), but the
replication engine should detect that LDAP1 doesn't need to be updated again.

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