From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Pratt Subject: Re: BTRFS Performance page Date: Wed, 22 Oct 2008 10:00:56 -0500 Message-ID: <48FF4028.5080109@austin.ibm.com> References: <48FE5593.2080209@austin.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <48FE5593.2080209@austin.ibm.com> List-ID: Steven Pratt wrote: > As discussed on the BTRFS conference call, myself and Kevin Corry have > set up some test machines for the purpose of doing performance testing > on BTRFS. The intent is to have a semi permanent setup that we can > use to test new features and code drops in BTRFS as well as to do > comparisons to other file systems. The systems are pretty much fully > automated for execution, so we should be able to crank out large > numbers of different benchmarks as well as keep up with GIT changes. > > The data is hosted at http://btrfs.boxacle.net/. So far we have the > data for the single disk tests uploaded. We should be able to upload > results from the larger RAID config tomorrow. > > Initial tests were done with the FFSB benchmark and we picked 5 common > workloads; create, random and sequential read, random write, and a > mail server emulation. We plan to expand this based on feedback to > include more FFSB tests and/or other workloads. > > All runs have complete analysis data with them (iostat, mpstat, > oprofile, sar), as well as the FFSB profiles that can be used to > recreate any test we ran. We also have collected blktrace data but not > uploaded due to size. > > Please follow the results link on the bottom of the main page to get > to the current results. Let me know what you like or don't like. I > will post again when we get the RAID data uploaded. RAID data is now uploaded. The config used is 136 15k rpm fiber disks in 8 arrays all striped together with DM. These results are not as favorable to BTRFS, as there seem to be some major issues with random write and mail server workloads. http://btrfs.boxacle.net/repository/raid/Initial-compare/Initial-Compare-RAID0.html Steve > > > Steve > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html