[mapguide-users] mgserver process hangs / memory usage

[G.E.O.-Consulting / Hans Morschell]

hallo,

 

we are using MGOS in the following environment:

 

-          MGOS 2.0

-          IIS6 on MS Server2003

-          ASP application / .Net environment

-          Server with dual processor / 4 GB RAM

 

our application has one map, one layout, about 50 layers, some MRSID, some
TIFF and shape files, user can calculate a route, therefore we have 4
dynamic layers in session repository

 

The mgserver process occasionally crashes and monitoring the memory usage I
can see the following behaviour:

 

After starting the mgserver process the use of memory continously increases,
the pagefile size grows permanetly, and both of them do never decrease.

 

Error messages in mgserver logfiles:

-          out of memory, bad allocation

-          failed to stylize layer

-          no more fdo connections

-          unexpected exception

-          ressource busy

the error messages are not allways identical.

 

The mgserver process hangs completely, can not be restarted so I have to
restart the server.

 

Does anybody have a similar situation ?

 

I didn't change settings in serverconfig.ini, any hints, what to change
there ?

 

Why does the mgserver process not deallocate memory, may be there is
something wrong in my IIS6 configuration ?

 

Thanks for any help, Hans

 

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