I/O Reads on Replication Distribution db way high

  • In resource monitor I'm seeing read i/o's from disk averaging around 500mb per second (the distribution DB itself is only about 4.5mb. The write i/o's are around 400k. The db is not growing and CPU looks good. I've checked replication and it seems optimal as well.

    Any thoughts?

    Thanks.

    Tom

  • What's your problem exactly?

    -- Gianluca Sartori

  • Sorry. My question is, what could be causing such high disk read i/o's from the primary distribution data file? It is 100 times the amount of the write i/o's and 10 times higher than the actual size of the database.

    (Additional information: I have noticed the row count in the MSrepl_commands table is 8,395,134, which seems high to me, and I do not see a "Distribution clean up: distribution" job listed under the jobs.)

  • Fixed it. The distribution cleanup job was not performing and I was able to run the stored procedure manually.

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