[fdo-users] PostGIS FDO Provider performance issues

Zac Spitzer zac.spitzer at gmail.com
Wed Jun 11 03:29:05 EDT 2008


the latest are available here
http://fdo.osgeo.org/content/fdo-331-downloads

how old is the broker?

On Wed, Jun 11, 2008 at 5:16 PM, Carl Jokl <carl.jokl at keynetix.com> wrote:
>
> In order to try and get a better idea about what was going on on the database
> I altered the configuration to log a lot more information about what was
> happening as the query ran. A cursor is created on the server and data seems
> to be retrieved from that cursor in batches of 500 with 200,000 items in
> total. The actual retrievals themseves according to the log are pretty fast
> maybe a matter of 10 -20ms which should not account for the 4-5 minute total
> time. The more substantial delay seems to be between calls to retrieve
> batches which again points to the FDO provider because it may be doing lots
> of processing while the database is already ready to send the next batch but
> has to wait for the provider to request it.
>
> I have not set the batch sizes. I have not even been able to set the
> connection as read only. The problem is that this broker has come to me from
> a colleague who got it from some Autodesk employee at a Disneyland
> conference. The broker is just a DLL without any documentation to go with it
> which isn't exacly making life easy for me. I know that the alpha version of
> the same broker is supposed to be on the FDO servers somewhere though in
> somewhere hard to find. I hoped I might find the documentation for the Alpha
> broker and then at least now what parameters I have available to me to set
> on the FDO connection. At the moment I am even considering trying to
> decompile the dll to try and reverse engineer what parameters are available.
>
> --
> View this message in context: http://www.nabble.com/PostGIS-FDO-Provider-performance-issues-tp17756475p17771497.html
> Sent from the FDO Users mailing list archive at Nabble.com.
>
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Zac Spitzer -
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+61 405 847 168


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