We use ext3 for maildir. I have not had any issues to date. This is also on fibre SAN drives, not ATA. On Nov 26, 2007, at 12:22 PM, Heitor Augusto M Cardozo wrote: > Hi all, > > In last year, i had made some research and benchmarks based on > CentOS 4 to know which filesystem is better for Maildir: ReiserFS, > XFS or EXT3. > > My conclusion was as follows: > > - EXT3: reliable but very slow to read many small files. > - ReiserFS: best performance but unreliable and bad recovery tools. > - XFS: My choice, good performance and reliability. > > On CentOS 5.0, a had the same benchmarks and now, EXT3 and XFS seems > to had better or equivalent performance on Read and Create Random > files. One of this tests, using bonnie++, show this: > > # bonnie++ -d /mnt/sdc1/testfile -s 8192 -m `hostname` -n > 50:150000:5000:1000 > > XFS: > Version 1.03 ------Sequential Output------ --Sequential > Input- --Random- > -Per Chr- --Block-- -Rewrite- -Per Chr- -- > Block-- --Seeks-- > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec > %CP /sec %CP > localhost 8G 74048 99 201584 32 74014 12 61610 92 > 228977 18 623.5 0 > ------Sequential Create------ --------Random > Create-------- > -Create-- --Read--- -Delete-- -Create-- -- > Read--- -Delete-- > files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec > %CP /sec %CP > 50:158999:5125/1000 692 12 82 0 3502 28 529 7 107 > 0 1149 11 > localhost,8G, > 74048,99,201584,32,74014,12,61610,92,228977,18,623.5,0,50 > :158999:5125/1000,692,12,82,0,3502,28,529,7,107,0,1149,11 > > EXT3: > Version 1.03 ------Sequential Output------ --Sequential > Input- --Random- > -Per Chr- --Block-- -Rewrite- -Per Chr- -- > Block-- --Seeks-- > Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec > %CP /sec %CP > localhost 8G 54569 99 249788 68 75268 11 59128 91 > 211926 15 587.2 0 > ------Sequential Create------ --------Random > Create-------- > -Create-- --Read--- -Delete-- -Create-- -- > Read--- -Delete-- > files:max:min /sec %CP /sec %CP /sec %CP /sec %CP /sec > %CP /sec %CP > 50:158999:5125/1000 748 15 256 1 1081 5 713 15 108 > 0 207 1 > localhost,8G, > 54569,99,249788,68,75268,11,59128,91,211926,15,587.2,0,50 > :158999:5125/1000,748,15,256,1,1081,5,713,15,108,0,207,1 > > > What i want to know is: Anyone use or recommend EXT3 for Maildir? > > My configuration: 3Ware 9650SE-8LPML, 8 drives SATA2 ST3500630AS > 500GB on RAID 10. > > Regards, > > Heitor A.M. Cardozo > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20071126/3b4dcca5/attachment-0005.html>