Re: [zfs-discuss] Benchmarking Methodologies

2010-04-24 Thread Robert Milkowski
On 21/04/2010 18:37, Ben Rockwood wrote: You've made an excellent case for benchmarking and where its useful but what I'm asking for on this thread is for folks to share the research they've done with as much specificity as possible for research purposes. :) However you can also find so

Re: [zfs-discuss] Benchmarking Methodologies

2010-04-23 Thread Scott Meilicke
My use case for opensolaris is as a storage server for a VM environment (we also use EqualLogic, and soon an EMC CX4-120). To that end, I use iometer within a VM, simulating my VM IO activity, with some balance given to easy benchmarking. We have about 110 VMs across eight ESX hosts. Here is wha

Re: [zfs-discuss] Benchmarking Methodologies

2010-04-21 Thread Ben Rockwood
On 4/21/10 2:15 AM, Robert Milkowski wrote: > I haven't heard from you in a while! Good to see you here again :) > > Sorry for stating obvious but at the end of a day it depends on what > your goals are. > Are you interested in micro-benchmarks and comparison to other file > systems? > > I think th

Re: [zfs-discuss] Benchmarking Methodologies

2010-04-21 Thread Thomas Uebermeier
Ben, never trust a benchmark, you haven't faked yourself! There are many benchmarks out there, but the question is, how relevant are they for your usage pattern. How important are single stream benchmarks, when you are opening and closing 1000s of files per second or if you run a DB on top of it

Re: [zfs-discuss] Benchmarking Methodologies

2010-04-21 Thread Robert Milkowski
On 21/04/2010 04:43, Ben Rockwood wrote: I'm doing a little research study on ZFS benchmarking and performance profiling. Like most, I've had my favorite methods, but I'm re-evaluating my choices and trying to be a bit more scientific than I have in the past. To that end, I'm curious if folks

Re: [zfs-discuss] Benchmarking Methodologies

2010-04-21 Thread Darren J Moffat
On 21/04/2010 04:43, Ben Rockwood wrote: I'm doing a little research study on ZFS benchmarking and performance profiling. Like most, I've had my favorite methods, but I'm re-evaluating my choices and trying to be a bit more scientific than I have in the past. To that end, I'm curious if folks

[zfs-discuss] Benchmarking Methodologies

2010-04-20 Thread Ben Rockwood
I'm doing a little research study on ZFS benchmarking and performance profiling. Like most, I've had my favorite methods, but I'm re-evaluating my choices and trying to be a bit more scientific than I have in the past. To that end, I'm curious if folks wouldn't mind sharing their work on the sub