requirements on multi instanses

  • Krasavita (1/8/2010)


    This is development server, I recommended to switch to 64 bit how many processors I need?

    Its hard to tell without knowing the workload. Processors are cheap these days, its not expensive to pick up a quad core server, or at least if your budget allows it. I wouldn't run more than 1 instance per processor core personally, but it depends on a number of factors like database size, transaction workload you expect in development, do you expect your production environment to run queries developed in dev with parallelism?

    Jonathan Kehayias | Principal Consultant | MCM: SQL Server 2008
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  • Krasavita (1/8/2010)


    Oh, I didn't change max memory for my maine instanse, do I need it? I only changed max memory for all 9 instansases

    Yes, you will need to change the settings for the default instance as well. For the 9 instances, those would be named instances. The total number of instances you have is 10 (which could change some of the posts in this thread for recommended settings).

    Jason...AKA CirqueDeSQLeil
    _______________________________________________
    I have given a name to my pain...MCM SQL Server, MVP
    SQL RNNR
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  • Krasavita (1/8/2010)


    I stoped 4 instances that we are not using and changex max settings and now I have these:

    counter_nameinstance_namecntr_value

    Target Server Memory (KB) 1497560

    Total Server Memory (KB) 22784

    Thank you very much for your help

    This is development server, I recommended to switch to 64 bit how many processors I need?

    If you are not using the instance, is there good reason to keep it installed?

    It looks like the instance you are looking at is still only getting 22MB addressed to it - you will continue to have performance issues if that persists.

    HOW MANY TOTAL GIGS OF RAM are installed physically into the server?

    How many procs do you need? Well, that is a recommendation and not something we could fully assess without more information. Load and budget play factors in that assessment. As far as a recommendation though - between 8 and 16 procs would be fantastic for a dev box IMO.

    Jason...AKA CirqueDeSQLeil
    _______________________________________________
    I have given a name to my pain...MCM SQL Server, MVP
    SQL RNNR
    Posting Performance Based Questions - Gail Shaw[/url]
    Learn Extended Events

  • Do I need to re boot after I changed max memory settings?

    I don't expect production to run queries developed in dev with parallelism. Can main instanse be disable and all others running sessesfully?

  • Krasavita (1/8/2010)


    Do I need to re boot after I changed max memory settings?

    I don't expect production to run queries developed in dev with parallelism. Can main instanse be disable and all others running sessesfully?

    You need to restart the services, but a reboot is not mandatory.

    Default instance can be disabled and still permit the named instances to continue to run successfully.

    Jason...AKA CirqueDeSQLeil
    _______________________________________________
    I have given a name to my pain...MCM SQL Server, MVP
    SQL RNNR
    Posting Performance Based Questions - Gail Shaw[/url]
    Learn Extended Events

  • You need how many CPUs you need. Depends on load, and the performance you need from them.

  • CirquedeSQLeil (1/8/2010)


    Krasavita (1/8/2010)


    Do I need to re boot after I changed max memory settings?

    I don't expect production to run queries developed in dev with parallelism. Can main instanse be disable and all others running sessesfully?

    You need to restart the services, but a reboot is not mandatory.

    Default instance can be disabled and still permit the named instances to continue to run successfully.

    Max Server Memory settings take effect immediately. No restart is required.

    Jonathan Kehayias | Principal Consultant | MCM: SQL Server 2008
    My Blog | Twitter | MVP Profile
    Training | Consulting | Become a SQLskills Insider
    Troubleshooting SQL Server: A Guide for Accidental DBAs[/url]

  • We installed 1 more processor,but it is not showing that we have 2 now,what do we need to do Thank you

  • Krasavita (1/8/2010)


    We installed 1 more processor,but it is not showing that we have 2 now,what do we need to do Thank you

    Does the OS show that you have an additional processor?

    Jason...AKA CirqueDeSQLeil
    _______________________________________________
    I have given a name to my pain...MCM SQL Server, MVP
    SQL RNNR
    Posting Performance Based Questions - Gail Shaw[/url]
    Learn Extended Events

  • You can shut down the services for the two unneeded instances in the Control Panel | Servers, and set their startup to "manual".

    I am not sure if I shut down services properly,

    I have:

    SQLSErverAgent instansances,SQL Server Agent,SQL Sever FullText, where I stop services for instances I don't want to use? I don't see processor when I go tot he properties of instanse. Thank you

  • type services.msc in start-->run and locate the service name for the instance you want to stop. It should be something like devsvr\sql01, devsvr\sql02.

    Thanks..

    The_SQL_DBA
    MCTS

    "Quality is never an accident; it is always the result of high intention, sincere effort, intelligent direction and skillful execution; it represents the wise choice of many alternatives."

  • Thank you everyone for your help,

    Question what should I look for and how that I would have enough memory on my instanse.

  • I am not sure I follow your question.

    Could you elaborate please?

    Jason...AKA CirqueDeSQLeil
    _______________________________________________
    I have given a name to my pain...MCM SQL Server, MVP
    SQL RNNR
    Posting Performance Based Questions - Gail Shaw[/url]
    Learn Extended Events

  • counter_nameinstance_namecntr_value

    Target Server Memory (KB) 819200

    Total Server Memory (KB) 444160 this is one of my instance

  • How to check if I have enough memory on a instanse

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