Re: Compressed RAM disk swap space

2012-11-09 Thread Achim Patzner
Am 09.11.2012 um 13:33 schrieb David : > Hi, I have tried something which actually boosts performance It doesn't; it just moves the load from one limited resource (RAM) to another one (CPU cycles), adding its own overhead on the way. It just means that your machine got too large an engine for yo

Re: FreeBSD Scaling on 6.2-RELEASE?

2007-02-23 Thread Achim Patzner
On 23.02.2007, at 14:11, Steven Hartland wrote: We have some Dual Dual Core's here but I'm considering the Quad Core upgrade but am a little concerned that this may start to become OS limited given the 8 Cores. Well... It's definitely better on our Xeon 5355 compute servers (Intel SR1500-based

Re: enabling hyper-threading on intel dual-core

2006-05-11 Thread Achim Patzner
i just bought an Intel Pentium D-930 (3ghz dual-core) and wonder why i just only have CPU0 and CPU1, when i compile with SMP... You would need a Pentium Extreme (840, 955 or 965) for this. And quite a bit of cash. Achim ___ freebsd-performance@

Re: SATA: RAID 5 controller recommendations

2005-11-02 Thread Achim Patzner
Am 02.11.2005 um 13:29 schrieb Mike Tancsa: At 05:47 AM 02/11/2005, Achim Patzner wrote: For SATA I have always been getting the Dell 750s (now 850s) which use the 'aac' Adaptec AdvancedRAID Controller driver, do 'man aac' for more details. Did you ever have to replace

Re: SATA: RAID 5 controller recommendations

2005-11-02 Thread Achim Patzner
For SATA I have always been getting the Dell 750s (now 850s) which use the 'aac' Adaptec AdvancedRAID Controller driver, do 'man aac' for more details. Did you ever have to replace a failed drive? You might try it, just to see if you're still happy afterwards. Achim _

Re: SATA: RAID 5 controller recommendations

2005-10-31 Thread Achim Patzner
Am 01.11.2005 um 01:23 schrieb Francisco Reyes: I use the 3ware line (8xxx) and they are very stable, but not the fastest. For speed, check out the cards from Areca. Native FreeBSD support and they are FAST http://www.areca.com.tw/products/html/pcix-sata.htm Saw a review last night of the

Re: 3Ware 7500-4 Slow

2005-09-23 Thread Achim Patzner
Am 23.09.2005 um 05:05 schrieb Chuck Swiger: I have been trying to convince the "powers that be" that SCSI would be much better.. but the price difference is just too astronomical for the capacities we need (500GB to 2 TB) Even 10K RPM IDE drives seem like would be a problem since they are

Re: Fibre Gig card recommendations?

2005-06-25 Thread Achim Patzner
From: "Arkadi Shishlov" <[EMAIL PROTECTED]> Whats about performance and stability with MTU > 1500? I tried increasing MTU on my Intel-made servers to speed-up NFS, but both 5.3 em and 2.x Intel provided drivers get stuck after some time with interface in OACTIVE state. The same happened to us