Re: [perf-discuss] how to measure zfs performance

2009-06-26 Thread kenny
thanks for the advice. a bit more about my setup. the machine uses amd 4850e cpu with 8gb of ram in raidz2, with 8 wd green 1TB drives, and 1 wd 1TB black drive as the boot drive. the file server is mainly used for storing photos and ripped dvds. when watching dvds directly from the server, i n

Re: [perf-discuss] how to measure zfs performance

2009-06-25 Thread David Collier-Brown
kenny wrote: > > i was wondering what is the recommended way to measure the > > performance of zfs. > > i think my performance isn't as good as it should be, but with > > no measurement, i don't even know is my assumption is correct > > or wrong. > > > > so what do people around here use to measure

Re: [perf-discuss] how to measure zfs performance

2009-06-25 Thread Bob Sneed
Kenny: Performance is all about your application; it's response time, throughput, and variance in those metrics. I suggest that all your problem-solving start and end from that perspective. If your application performance is not what you need and you suspect ZFS is the reason, there are tool

[perf-discuss] how to measure zfs performance

2009-06-24 Thread kenny
hello all, i was wondering what is the recommended way to measure the performance of zfs. i think my performance isn't as good as it should be, but with no measurement, i don't even know is my assumption is correct or wrong. so what do people around here use to measure zfs performance? thank