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New server - RAM vs CPU - what are you using ?


New server - RAM vs CPU - what are you using ?

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Joseph Fallon
Joseph Fallon
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Simple question folks - upgrading our SQL 2005 SSRS production box to SQL 2012.

Obviously I've got a fixed budget but I'm wondering

(a) how much RAM you guys are running on your production SSRS servers and
(b) whether, performance wise, I should go heavy on RAM or CPU or both ?

All replies gratefully received !
Joseph Fallon
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Don't be shy folks, 32 views and no posts ?

I'd like to get an idea of what the range of production box specs are out there please ?
anthony.green
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Its a difficult one to say as we dont know what your going to be pushing through your report server, but deffinatly go heavy on CPU, it can get quite intensive when rendering large reports.



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Joseph Fallon
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Thanks Anthony - I realise each server's workload (and therefore requirements) vary but I'm still interested in what specs are being used.

Thanks for your point on CPU, and what, may I ask, are your server's specs ?
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We dont use SSRS in the current company I am working for its all done via Cognos, but previously a minium SSRS server was 8GB RAM with 2 VCPUs.



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danielfountain
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Joseph Fallon (1/9/2013)
Simple question folks - upgrading our SQL 2005 SSRS production box to SQL 2012.

Obviously I've got a fixed budget but I'm wondering

(a) how much RAM you guys are running on your production SSRS servers and
(b) whether, performance wise, I should go heavy on RAM or CPU or both ?

All replies gratefully received !


Is it possible to give some idea of amount of users and likely concurrent users?

If you are serving 20 people with simple reports (with generally standard requests that can be cached) occassionally during the day - then it wont take much. If your serving 1000`s of people with hundreds of complex reports (also varied in nature of the parameters sent to the report) then you might want to look at a farm.

Also are you talking about the reporting services front end, back end, or both on one box?

I am sure you have looked at the SQL minimum specs. Well i wouldnt run it on that. Tell you the truth i recon you could struggle to buy a server at that spec now. The recommended spec is fine if your running only a few reports.

One thing i would consider (if possible) is upgradability. So CPU is a bit of a cost and pain to upgrade - so think a little longer term. RAM however is cheap (its been a year or so since i worked on servers - i guess its still cheap :-) So buy a good CPU. RAM you could buy it now - but you could also add to it a year down the road with minimal downtime and cost (IIRC).

Hope this helps.

Dan
Joseph Fallon
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Thanks Dan, that's good advice.

In answer to your questions
We'd be less than 150 users with a couple of hundred reports.
It's a front-end and back-end together box.
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