WebGIS enables powerful geospatial web applications and services that securely share your organization’s rich geospatial data, and provides tools to deeply examine spatial data and create value added products, on demand.
Even though the configuration file for the Geospatial Server Cache Filler Service has been changed to run more than the default 2 threads, by manipulating the CacheFillerThreadsNum attribute, the process of cache filling is progressing slow and it seems as though it is still set to 2.
.NET framework imposes a limit on the amount of simultaneous connections per server inside an application. The default is 2 so regardless of the amount of Cache Filler threads number, the amount of simultaneous requests for a single WMS will be capped to be at most 2.
Add a <system.net> configuration overriding the default .NET connection limit somewehere inside the Geospatial Server Cache Filler Service configuration file's <configuration> tag: