Search Mailing List Archives
[protege-discussion] Performance degraded with MS SQLServer backend for Protege 3.4.8
tredmond at stanford.edu
Fri Aug 24 14:26:51 PDT 2012
On 8/22/12 10:18 AM, Jonathan Carter wrote:
> Some of my user community and I have noticed that the performance of
> Protege 3 (Frames) has changed significantly for the worse between
> version 3.4.4 and version 3.4.8 when using a MS SQLServer database
> Protege 3.4.4 performs well with large numbers of instances backed by
> SQLServer whereas 3.4.8 seems noticeably slow.
> Performance is much the same for both versions (or possibly better in
> Protege 3.4.8) for file-based projects and MySQL database backends.
I looked at the logs
svn log -v -r 17706:24091 https://smi-protege.stanford.edu/repos/protege/protege-core/trunk/src/edu/stanford/smi/protege/storage/database
and in of database performance it is not clear that anything significant
has changed. In terms of the diff to protege-core in general,
svn log -v -r 17706:24091 https://smi-protege.stanford.edu/repos/protege/protege-core/trunk
more has been done and it is less than clear what could have changed. I
did notice that there were some fixes to cache bugs and it is
conceivable that some of these might have a negative impact on performance.
> Is there anything that's changed in the database handling between
> these versions that might explain this (and might also be in 3.5B)?
> Has anyone else had a problem with performance and database backends
> with 3.4.8?
> Jonathan Carter
> Enterprise Architecture Solutions Ltd
> Mobile: +44 (0) 7904 198295
> Email: jonathan.carter at e-asolutions.com
> <mailto:jonathan.carter at e-asolutions.com>
> Proud sponsors of The Essential Project
> The free open-source Enterprise Architecture Management Platform
> www.enterprise-architecture.org <http://www.enterprise-architecture.org/>
> Enterprise Architecture Solutions Ltd, Registered in England and
> Wales: 04097721.
> Registered Office: 76 High Street, Newport Pagnell, Milton Keynes,
> MK16 8AQ.
> protege-discussion mailing list
> protege-discussion at lists.stanford.edu
> Instructions for unsubscribing: http://protege.stanford.edu/doc/faq.html#01a.03
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the protege-discussion