Re: Too many postgres.exe

From: Craig Ringer <craig(at)postnewspapers(dot)com(dot)au>
To: A(dot)Bhattacharya(at)sungard(dot)com
Cc: pgsql-general(at)postgresql(dot)org
Subject: Re: Too many postgres.exe
Date: 2009-12-15 10:08:14
Message-ID: 4B27600E.2050204@postnewspapers.com.au
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On 15/12/2009 5:51 PM, A(dot)Bhattacharya(at)sungard(dot)com wrote:

> However whenever my application is running I could see there are too
> many postgres.exe are created even though the application is not doing
> anything in database.

What is "too many" ?

What does:

SELECT * FROM pg_stat_activity;

show?

How are you talking to PostgreSQL? Direct JDBC? An ORM like Hibernate?
Which one? What JDBC driver version? Are you using a connection pool?
Which one?

The people on this mailing list are, with the possible exception of Tom,
not psychic. Some kind of details will help your question get a better
answer, more quickly. See:

http://wiki.postgresql.org/wiki/Guide_to_reporting_problems

> In general the observation is that there are too many progress.exe
> processes get created every time I run my application and it
> postgres.exe eats up the maximum memory.

Then your server is not configured correctly. Set max connections,
shared_buffers, work_mem, maintenance_work_mem, etc so that your server
cannot consume too much memory.

--
Craig Ringer

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