From: | "Massa, Harald Armin" <chef(at)ghum(dot)de> |
---|---|
To: | Bob Pawley <rjpawley(at)shaw(dot)ca> |
Cc: | pgsql-general(at)postgresql(dot)org |
Subject: | Re: Many instances of postgres.exe |
Date: | 2009-10-15 16:08:54 |
Message-ID: | e3e180dc0910150908g5bdcbf17y789ee68f61be4110@mail.gmail.com |
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Lists: | pgsql-general |
Bob,
>
>
> While looking at an error message for iexplore.exe, I noticed, on Task
> Manager, that there are 5 or more instances of postgres.exe running. Each
> instance is consuming between 7 to 10 megs of resources, for a total of
> almost 50 megs.
>
> Is this normal behavour?
>
> 5 instances is the default when nothing has connected.
Reason: statwriter, autovacuum, ... are all separate processes. For every
additional connection there is another process, also giving a postgres.exe
What most likely is "wrong" are those "50 megs", as I guess you are looking
at the default task manager.
Within those 50MB the PostgreSQL shared memory is counted (number of
processes) time. That is: If there are 8MB of shared memory configured, you
will see them as 40MB with 5 running processes.
Look within "View", "Select other columns" to find other memory columns.
best wishes,
Harald
--
GHUM Harald Massa
persuadere et programmare
Harald Armin Massa
Spielberger Straße 49
70435 Stuttgart
0173/9409607
no fx, no carrier pigeon
-
%s is too gigantic of an industry to bend to the whims of reality
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