Re: Are there some additional postgres tuning to improve performance in multi tenant system

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On 12/28/2013 08:46 AM, ankush upadhyay wrote:
On Sat, Dec 28, 2013 at 6:50 PM, Andrew Dunstan <andrew@xxxxxxxxxxxx <mailto:andrew@xxxxxxxxxxxx>> wrote:


    On 12/28/2013 12:19 AM, ankush upadhyay wrote:

        Hello All,

        I am using multi tenant system and doing performance testing
        of multi tenant application. In case of single tenant it is
        working fine but once I enable tenants, then some time
        database servers not responding. Any clue?





    I usually use the term "multi-tenancy" to refer to different
    postgres instances running on the same machine, rather than
    different databases within a single instance of postgres. So lease
    describe your setup in more detail.

    cheers

    andrew



First of all Thanks Andrew for let me know email etiquette and extremely sorry for confusion.

Here I meant to say that different postgres instances running on the same machine.

Actually I have one application machine and one database server machine with multiple postgres instances running on it and accessing by application server.

I hope this time I could explain it in more details.




Why are you doing that, as opposed to running multiple databases in a single instance? Running more than a handful of instances in a single machine is almost always a recipe for poor performance. The vast majority of users in my experience run a single postgres instance per machine, possibly with a large number of databases.

cheers

andrew


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