Hi Andrew,
I wanted to mention that OpenBase 11 addresses one issue related to
deadlocks and WebObjects. We had a reproducible case and were able to
isolate the problem and fix it for this upcoming release.
If anyone would like to try the OpenBase 11 beta, we would welcome
your input. Here is the download link: http://www.openbase.com/beta
If you try the beta, here is a license which will enable the software:
SN: OBWEBCDEVBETA-629
Authorization: D-2009.01.15-1000-11.0-04F-639-5A1
Finally, I want to also let everyone know that we have an OpenBase v11
64 bit build we are working on. The big advantage of 64 bit as it
relates to scaling is that the OpenBase server is no longer limited to
a 3.5GB memory footprint. That means we can make better use of
available memory to provide faster performance. We will have details
in January on how you can get your hands on an early copy of that, but
I wanted to let you know that it is coming.
Best regards,
Scott Keith
OpenBase
From: Andrew Lindesay <a...@lindesay.co.nz>
Date: December 29, 2008 1:14:31 PM PST
To: Joe Moreno <joemor...@mac.com>
Cc: WebObjects-Dev Mailing List <webobjects-dev@lists.apple.com>
Subject: Re: OpenBase & WebObjects for scaling
Hello Joe;
In high-volume concurrent situations, there is an issue with EOF
together with OPENBASE where concurrent transactions can get into a
deadlock when writing into the same series of tables. Let me be
very clear; not a problem with OPENBASE per se, but a specific
problem with EOF and OPENBASE. To avoid this, I have created a
simple subclass of the JDBC Adaptor (distributed in a self-
contained Framework jar) specifically to address this issue. To
find out more about this read the LEWOStuff PDF under;
9) OPENBASE JDBC Adaptor
cheers.
Does anyone have any real world, recent, experience with OpenBase
on a large scale?
___
Andrew Lindesay
www.lindesay.co.nz
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