[jira] Commented: (DIRSERVER-1101) New replicas may never receive some recent modifications

["Alex Karasulu (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DIRSERVER-1101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12606197#action_12606197 ] 

Alex Karasulu commented on DIRSERVER-1101:
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Can I get a status on this?  Did you commit your changes?

> New replicas may never receive some recent modifications
> --------------------------------------------------------
>
>                 Key: DIRSERVER-1101
>                 URL: https://issues.apache.org/jira/browse/DIRSERVER-1101
>             Project: Directory ApacheDS
>          Issue Type: Bug
>          Components: mitosis
>    Affects Versions: 1.5.1
>            Reporter: Martin Alderson
>            Assignee: Martin Alderson
>             Fix For: 1.5.3
>
>
> When a new replica is sent all entries from another replica some of the earlier entries may not be up to date.  If, for example, we send the first entry to the new replica then the first entry followed by the last entry are modified in turn at the original replica the new replica will never get the modification to the first entry.
> This occurs as the new replica will only ever ask for newer logs than it's current update CSN vector which will be based on the most recently modified entries that it was sent.
> I think that before the new replica is allowed to receive any newer logs we will need to go back over each entry that was sent and request the modifications to bring each up to the version it should be at.  Throughout this time all local modifications should be rejected as in DIRSERVER-1098.

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