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Opinion wanted - How much ram does our server need?

Discussion in 'General Discussion' started by jols, May 20, 2012.

  1. jols

    jols Well-Known Member

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    I know there are many factors that likely need to be taken into consideration. But I am wondering how much ram would been needed for a large server with something like 600 accounts.

    I know when the server has to use swap space the load can go up; Or is this necessarily so? We have another smaller server with only 4GB of ram, and quite a bit of swap is used, but this server is typically fast as ever.

    Other servers we use has 6GB, but I am thinking about doubling this, or even going up to 18GB for the large server. But of course when ordering ram upgrades, we are not only charged once, but again and again and again on a per month basis. So I don't want to bet-the-farm on this one.

    Any opinions about this?

    Thanks much.
     
  2. Ivan@rh

    Ivan@rh Member

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    32-48GB for CentOS 5.x
    CentOS 6.x is more efficient and you may get away with 10-25%% less ram
     
  3. jols

    jols Well-Known Member

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    That much huh? Okay, thanks for your input.

    By the way, I'm using REDHAT Enterprise 6.2
     
  4. jols

    jols Well-Known Member

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    It's hard to believe that no one else has any opinion about this. Anyone else?
     
  5. acenetgeorge

    acenetgeorge Well-Known Member
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    I'd think 8 GB absolute minimum to start, but more likely you would want 16GB or more. It really depends.
     
  6. jols

    jols Well-Known Member

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    Thanks, that seems to be more in line with the RAM use I have seen so far.
     

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