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Merge replication 2005

Posted on 2007-11-21
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Last Modified: 2008-09-20
I tried to update one record from publisher and it's taking 1min for the changes to get updated on the subscriber .

Any reason why ?
How do i resolve the problem
Am on SQL 2005 Merge replication
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Question by:Richardsoet
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15 Comments
 

Author Comment

by:Richardsoet
ID: 20328976
Do you think  -ParallelUploadDownload would help .if yes how do i set that  in sql2005
run through the step for me
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Author Comment

by:Richardsoet
ID: 20329473
how do i set  -ParallelUploadDownload for merge replication on sql 2005 to allow agent  to process the changes uploaded to the Publisher and those downloaded to the Subscriber at the same time
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LVL 18

Expert Comment

by:Yveau
ID: 20330756
Try this site for more info:
http://msdn2.microsoft.com/en-us/library/ms152531.aspx
or specific for the sync process:
http://msdn2.microsoft.com/en-us/library/ms151793.aspx
or on the ParallelUploadDownload option:
http://msdn2.microsoft.com/en-us/library/ms147886.aspx

Hope this helps ...
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Author Comment

by:Richardsoet
ID: 20333835
Thanks for the link but that does not seems to solve my problem.
I have set ParallelUploadDownload to 1 but that does not seem to work.
my problem is when i  tried to update one record from publisher and it's taking 1min for the changes to get updated on the subscriber .
The table is got 300000 rows and its indexed.and the row guid on the table is indexed as well.\\Any way to retrieve faster than a minute please explain the method to attain  this
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LVL 18

Accepted Solution

by:
Yveau earned 1000 total points
ID: 20336095
... is the mirroring take a minute, or is the mirror job only running once a minute ? It should be running continuously.

... what about the network latency. I tested mirroring in my testlab and a certain scenario run in a few seconds. When I set it up with my colleague across the Pacific, it ran for almost 45 minutes ... all due to the network.

One record should be done in a blink of a eye. If the two machine are standing 'next to each other' and the job runs continuously ...

Hope this helps ...
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Author Comment

by:Richardsoet
ID: 20337666


Please help it is set to run continuosly on the same network and when I do an update of a record  with a where clause it takes a miutes to synch through to the subsriber from the publisher.The table is indexed .Please  help what can I do to improve it.am running on SQL 2005 merge replication
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LVL 18

Expert Comment

by:Yveau
ID: 20338242
Run the Replication Monitor and see if you can track down the problem area.
I need more detailed info to help you any further.
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Author Comment

by:Richardsoet
ID: 20340712
What sort of info do you need in Repl monitor , there is no confilit , one update was done on one table ,download was done then sync but it takes 1 min before showing on subscriber
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LVL 18

Expert Comment

by:Yveau
ID: 20346310
Keep refreshing it during the minute it takes to sync and see if there is any activity. The stats should make it clear whether the replication is waiting for a minute to start syncing, or the syncing is just taking a minute.
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Author Comment

by:Richardsoet
ID: 20346321
The sync is taken a minutes? Any way out to improve it ? please lay down the steps to follow
0
 
LVL 18

Expert Comment

by:Yveau
ID: 20346349
it has to be something with the network ... let your network guys help you check out the network traffic when doing a sync. Maybe someone can run WireShark for you ... don;t try it yourself it's a network sniffer, that kind of software can get you into big problems with the network guys !

Hope this helps ...
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Author Comment

by:Richardsoet
ID: 20348821
what should the network traffic be for merge replication? Any idea what is the best pratice for the network
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LVL 18

Expert Comment

by:Yveau
ID: 20351651
Only a few packages should be send over, depending on the SQL code.
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