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6343e4c Ticket 48266: Fractional replication evaluates several times the same CSN

Authored and Committed by tbordaz 8 years ago
    Ticket 48266: Fractional replication evaluates several times the same CSN
    
    Bug Description:
    	In fractional replication if there are only skipped updates and many of them, the supplier
    	acquire the replica for a long time. At the end of the session, RUV is not updated
    	so the next session will restart evaluating the same skipped updates
    
    Fix Description:
    	The fix introduces subentries under the suffix: 'cn=repl keep alive <rid>,$SUFFIX'
    	During an incremental replication session, if the session only contains skipped updates
    	and the number of them overpass a threshold (100), it triggers an update on that subentry.
    
    	This update will eventually be replicated, moving forward the RUV
    
    https://fedorahosted.org/389/ticket/48266
    
    Reviewed by: Noriko Hosoi, Rich Megginson, Simon Pichugin
    
    Platforms tested: <plat>
    
    Flag Day: no
    
    Doc impact: no