an urgent replication issue

  • A very urgent solution needed I have one main feed Server "A" replicating data to two Servers "B" & "C"

    The Distribution agent profiles of Both "B" and "C" are as follows

     

    "B" Distribution Agent Profile

    -BcpBatchSize     100000 (default)

    -CommitBatchSize   100 (default)

    -CommitBatchThreshold 1000 (default)

    -HistoryVerboseLevel 1 (default)

    -KeepAliveMessageInterval 300 (default)

    -LoginTimeOut  15 (default)

    -MaxBcpThreads 1 (default)

    -MaxDeliveredTransactions 0 (default)

    -PollingInterval 10 (default)

    -QueryTimeOut  2000

    -SkipErrors 2601:2627:20598

    -TransactionsPerHistory 100 (default)

    "C" Distribution Agent Profile

    -BcpBatchSize     100000 (default)

    -CommitBatchSize   100 (default)

    -CommitBatchThreshold 1000 (default)

    -HistoryVerboseLevel 1 (default)

    -KeepAliveMessageInterval 300 (default)

    -LoginTimeOut  15 (default)

    -MaxBcpThreads 1 (default)

    -MaxDeliveredTransactions 0 (default)

    -PollingInterval 10 (default)

    -QueryTimeOut  300

    -SkipErrors 2601:2627:20598

    -TransactionsPerHistory 100 (default)

     

    The latency for the server "B" is around 500000 & for the Server "C" is around  3000

    Can u suggest anything wrong in the agent profile which can cause the Server LAtency to Shoot Up. what is the  QueryTimeOut  property about. what all things should i check in order to find the cause of the increases latency

    thanks in advance

    JAcx

  • just as an observation I'd look at the subscriber and the network connections, I would imagine latency would not be part of the replication process as such. ( I'm assuming this is std replication ? )

    so:-

    • check network latency and connections.
    • are stats up to date on subscriber
    • ntfs fragmentation on subscriber
    • check subscriber server for performance issues, anti virus ?

    [font="Comic Sans MS"]The GrumpyOldDBA[/font]
    www.grumpyolddba.co.uk
    http://sqlblogcasts.com/blogs/grumpyolddba/

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