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Re: Locking on PGStream.ReceiveChar(PGStream.java:256)

From: Kris Jurka <books(at)ejurka(dot)com>
To: Marcin Waldowski <M(dot)Waldowski(at)sulechow(dot)net>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Locking on PGStream.ReceiveChar(PGStream.java:256)
Date: 2006-12-01 13:58:06
Message-ID: Pine.BSO.4.64.0612010851140.22186@leary2.csoft.net (view raw or flat)
Thread:
Lists: pgsql-jdbc

On Fri, 1 Dec 2006, Marcin Waldowski wrote:

> Hello.
>
> JDBC version: 8.1-407 JDBC 3 
> PostgreSQL version: 8.1.5-1 for Windows
> Database encoding: UTF8
>
> I observed a lock at at 
> org.postgresql.core.PGStream.ReceiveChar(PGStream.java:256)
>
> It happens after about hour of our perfomance test (high workload - 50 
> threads are executing various short operations on database)
>
> What can I do to avoid this problem?
>

This sort of problem has been attributed to the windows port of 
postgresql.  This thread here resulted in a fix that will be included in 
the 8.1.6 release and may fix the problem.

http://archives.postgresql.org/pgsql-hackers/2006-10/thrd7.php#00289

Kris Jurka

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