Re: [INTERFACES] JDBC Limit?

From: Peter T Mount <peter(at)retep(dot)org(dot)uk>
To: Frank Morton <fmorton(at)mail(dot)base2inc(dot)com>
Cc: pgsql-interfaces(at)postgresql(dot)org
Subject: Re: [INTERFACES] JDBC Limit?
Date: 1998-08-28 19:30:49
Message-ID: Pine.LNX.3.96.980828202752.493H-100000@maidast.retep.org.uk
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-interfaces

On Fri, 28 Aug 1998, Frank Morton wrote:

> Solaris 2.5.1. I am maxing out on something. If I limit the
> activity things work fine. Even if I run the same number
> of events spread over a longer period of time.

I don't think you are.

Thinking about it, the only limit you may reach is the memory size of the
JVM, which by default is 16Mb. I don't think that is it as you are getting
IOExceptions, and not something like OutOfMemoryError...

> I am using Sun's JDK 1.2 beta3.

I haven't tried it under 1.2 yet...

> I plan to test the same application on linux later today
> if possible to see how it does.

It would be interesting to see if you can replicate the problem. If not,
then the only thing I can think is that you are hitting a bug in 1.2

> I'll listen to any advice.
>
> -----Original Message-----
> From: Peter T Mount <peter(at)retep(dot)org(dot)uk>
> To: Frank Morton <fmorton(at)mail(dot)base2inc(dot)com>
> Cc: pgsql-interfaces(at)postgreSQL(dot)org <pgsql-interfaces(at)postgreSQL(dot)org>
> Date: Friday, August 28, 1998 12:23 PM
> Subject: Re: [INTERFACES] JDBC Limit?
>
>
> >On Thu, 27 Aug 1998, Frank Morton wrote:
> >
> >> I am using the current release and when using JDBC I frequently
> >> get a java.io.IOException: Broken pipe under heavy load conditions.
> >> Is there a limit anywhere on the number of concurrent connections
> >> to a single database or table within a database? Or any other limit
> >> that could stop connections from opening or being forced to close?
> >
> >There shouldn't be any limit on the number of connections.
> >
> >What platform are you running the VM on?
> >
> >--
> > Peter T Mount peter(at)retep(dot)org(dot)uk
> > Main Homepage: http://www.retep.org.uk
> >PostgreSQL JDBC Faq: http://www.retep.org.uk/postgres
> > Java PDF Generator: http://www.retep.org.uk/pdf
>
>

--
Peter T Mount peter(at)retep(dot)org(dot)uk
Main Homepage: http://www.retep.org.uk
PostgreSQL JDBC Faq: http://www.retep.org.uk/postgres
Java PDF Generator: http://www.retep.org.uk/pdf

In response to

Browse pgsql-interfaces by date

  From Date Subject
Next Message Bruce Momjian 1998-08-29 03:44:04 Re: [INTERFACES] Re: [HACKERS] changes in 6.4
Previous Message Frank Morton 1998-08-28 18:03:56 Re: [INTERFACES] JDBC Limit?