[p4] has anyone used a RAM-SAN?

Dan Bloch 6.02e23 at gmail.com
Wed Apr 19 10:34:08 PDT 2006


Thanks for the early returns ;-)  Some more information:

We're running Linux RHAS 2.4.  Our metadata in our production system is on a
1+0 RAID local hard disk.  We have lots of memory and we're just running
single-user benchmarks, so swapping is highly unlikely.

Our current theory (still work in progress) is that a RAM-SAN is great for
random access, but Perforce does a lot of large sequential disk accesses,
which are already optimized for hard disks, so the bottleneck may be the I/O
bus.

Dan



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