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Re: Question reminder

From: Nicolas Modrzyk <Nicolas(dot)Modrzyk(at)inrialpes(dot)fr>
To: Kris Jurka <books(at)ejurka(dot)com>
Cc: pgsql-jdbc(at)postgresql(dot)org
Subject: Re: Question reminder
Date: 2004-12-06 09:58:48
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-jdbc
Hi Kris,

This is an overnight test, and this has been reported by one of our 
users as well. (on the same test, multiple times ...)
Basically, this thread has been like this for at least 4-5 hours, so I 
don't think anything is going to unblock this anymore.
All the other thread of the test are in a normal wait position, and the 
system is not using any resource anymore, so it should not be blocked by 
other operation.
Most of the other requests are actually taking less than 10ms to execute.

The stress test is sending 2,000,000 transactions with each 3 write 
requests in it.
The backend is still acessible using the psql command line tool ... I am 
just wondering what is happening.

If you have any idea, indication please let me know.


Kris Jurka wrote:

>On Mon, 6 Dec 2004, Nicolas Modrzyk wrote:
>>Hi All,
>>I did not see any answer to the following question:
>You've shown a java client thread waiting for a response from the 
>database.  You've haven't shown that this is actually a problem.  You 
>mention it is part of a stress test, so maybe it's just taking its sweet 
>time.  Maybe it's blocked by another operation.  I don't think this is a 
>problem with the JDBC driver and I'm skeptical that it's a problem with 
>the backend.  Why do you think this is a real problem and not just 
>Kris Jurka

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