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From "Martin Alderson (JIRA)" <>
Subject [jira] Created: (DIRSERVER-1101) New replicas may never receive some recent modifications
Date Thu, 15 Nov 2007 14:32:43 GMT
New replicas may never receive some recent modifications

                 Key: DIRSERVER-1101
             Project: Directory ApacheDS
          Issue Type: Bug
          Components: mitosis
    Affects Versions: 1.5.1
            Reporter: Martin Alderson

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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