Hello, On Tue, Feb 4, 2014 at 5:25 PM, Jeff Siddall <n...@siddall.name> wrote: > On 02/02/2014 08:55 PM, Joseph Bishay wrote: > The issue always comes down to whether the benchmark reflects the things > you care about on your server, and a single number for the system is > almost certainly too general to be meaningful -- especially for > something unique like a terminal server.
You're right - my issue is that I'm not sure of another way to determine which of two servers is better for LTSP. I'm not technically-savvy enough to just look at all the hardware components and from experience pull out the appropriate answer, so I was hoping a collection of benchmark data could help. I hope my explanation makes sense! > IME the best thing you can do for an LTSP server is add RAM. You > probably don't need it for applications but Linux will take whatever is > unused and allocate it for cache and buffers, and that all turns into speed. I've currently got a custom built i7 tower with 12 GB of ram. The other server is a HP Proliant with 4 GB but I can of course install more. The issue is that hardware for the proliant is way more expensive than the i7 so before I invest in it I wanted an idea if it would actually help. > Next I would look at a faster NIC and faster disks. Both have good NICs but the disks are an interesting area. Our existing server has SATA III terabyte drives. The proliant takes hot-swappable SAS-2 2/5" drives and I'd need to purchase 1 TB drives. Each drive is around $700 and I'd need two. > I would only upgrade the CPU if I find it is frequently busy. When I do > I start with PassMark's database to get an idea of relative CPU performance: > http://www.cpubenchmark.net/cpu_list.php Thanks for that link - it is a great resource. Interestingly, according to that site, a single i7 chip outranks dual Xeon chips. I was rather surprised but the results are: Intel Core i7 920 @ 2.67GHz: 5004 (higher better) 242 (lower better) 17.56 (higher better) $285.00 [Dual CPU] Intel Xeon X5260 @ 3.33GHz: 4800 124 2.82 $1,702.00* The reason I'm thinking about the new machine is that the tower has no real redundancy and everything depends on it. And I have two identical Proliant machines that I can use but the drives and RAM are rather expensive so wanted to get feedback first. Thanks! Joseph ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121051231&iu=/4140/ostg.clktrk _____________________________________________________________________ Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: https://lists.sourceforge.net/lists/listinfo/ltsp-discuss For additional LTSP help, try #ltsp channel on irc.freenode.net
