[mapguide-users] Urgent MGOS stability problem

marius.360 marius at osssa.co.za
Fri Mar 20 07:43:51 EDT 2009

Hi all,

This is regarding Ticket #726 and Ticket #480.

We have a MGOS 2.0.2, .net and IIS 6.0 site running on windows server 2003,
spatial data residing in Oracle 10gR2 with the latest King.oracle provider
and displayed with the DWF viewer. 
Our map consists of 16 layer groups, and 122 layers that are authored so
that the minimum layers are displaying by default. There is one raster
layer, displaying mrSID's. Most of the big layers read from sdf to increase
performance, and some layers read from oracle using the king.oracle
provider. A few of these oracle layers read from views. Everything displays
with reasonable speed. 
The user environment has a potential of about 400 users, but they won't ever
be connected at one time. We can expect at most 100 users accessing the site
at one time.

The problem we have is that mgos used to crash regularly, about once a day.
After a few posts on the userlists it was thought that our raster layer
might be causing the problem. I have turned of the raster layer to prevent
this untill a fix is found, or a later version. Since then the crashes have
decreased a lot, now it only occurs about once a week, much less than
before. Also from a previous post of mine, someone mentioned that I might be
affected but the bugs found in Ticket #726 and Ticket #480.

Can anyone please comment on if this seems likely, or if there might be some
other problems? Also, will these bugs be present in Mapguide Enterprise? If
no solution is found, we will move over to enterprise, but if this bug is
still present there then it won't be the answer.

Please let me know if more Info is required, I will gladly provide it. Any
inputs will be welcome, or any hints and tips regarding the overall

Kind Regards,

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