Solr Server Infrastructure Config

[EXTERNAL Taminidi Ravi (ETI, Automotive-Service-Solutions)]

Hi, Can some one share or refer to get information on the SOLR server 
environment for production.

Appx. We have 40 Collections, with appx size from 300MB to 8GB (for each 
Collection) and appx Total 100GB. The average increase of the size for total 
may be 2-5Gb / Year.

To Get best performance for atleast 1000-10000 Concurrent Users.

Thanks

Ravi