BUFFER I/0

  • My Sql Server Buffer I/O wait is very high

    I have 390 GB RAM

    I set the sql server min 300 gb max 350 gb

    what is the reason can be

  • ESAT ERKEC (11/27/2012)


    My Sql Server Buffer I/O wait is very high

    I have 390 GB RAM

    I set the sql server min 300 gb max 350 gb

    what is the reason can be

    If you have a multi-terabyte database and you are trying to access lots of it with slow IO subsystem in play you can get this easily. I recommend having a professional tuner give your system a performance review. I suspect lots of suboptimal things will be found.

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

  • I have 700 gb db

  • ESAT ERKEC (11/28/2012)


    I have 700 gb db

    which is quite a bit more than your available buffer pool ...

    Best,
    Kevin G. Boles
    SQL Server Consultant
    SQL MVP 2007-2012
    TheSQLGuru on googles mail service

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