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RE: Memory leak in ODBC driver

From: "Hiroshi Inoue" <Inoue(at)tpf(dot)co(dot)jp>
To: <terry(at)greatbridge(dot)com>
Cc: <pgsql-bugs(at)postgresql(dot)org>
Subject: RE: Memory leak in ODBC driver
Date: 2001-03-10 03:37:10
Message-ID: EKEJJICOHDIEMGPNIFIJEECKDNAA.Inoue@tpf.co.jp (view raw or flat)
Thread:
Lists: pgsql-bugs
> -----Original Message-----
> From: pgsql-bugs(at)postgresql(dot)org
> 
> Terry Carlin (terry(at)greatbridge(dot)com) reports a bug with a severity of 2
> The lower the number the more severe it is.
> 
> Short Description
> Memory leak in ODBC driver
> 
> Long Description
> As part of Great Bridge QA testing, we run the AS3AP, TPC-C, and TPC-D 
> benchmarks using 1 to 100 users.  Our benchmarking tool is Benchmark 
> Factory.  It is a WinNT/Win2000 application.  It uses ODBC to 
> connect to PostgreSQL as there is no native driver for PostgreSQL 
> yet.  Benchmark Factory will run as many transactions as it can 
> during a given timeframe.
> 
> We have found that there is a memory leak in the PostgreSQL ODBC 
> drivers. The system memory grows 100k to 300k every five seconds 
> during the test. We are hitting from 500 to 1100 transactions per 
> second.  After we get through several hundred thousand 
> transactions, we run out of swap space on the Win2000 box. The 
> Win2000 box has about 1.2 gig of swap space.
> 
 
I've just committed a change to CVS.
It would resolve the memory leak a little.

regards,
Hiroshi Inoue 

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