Justin Piszcz wrote: > CONFIG: > > Software RAID 5 (400GB x 6): Default mkfs parameters for all filesystems. > Kernel was 2.6.21 or 2.6.22, did these awhile ago. > Hardware was SATA with PCI-e only, nothing on the PCI bus. > > ZFS was userspace+fuse of course. Wow! Userspace and still that efficient. > Reiser was V3. > EXT4 was created using the recommended options on its project page. > > RAW: > > ext2,7760M,56728,96.3333,180505,51,85484,17.3333,50946.7,80.3333,235541,21 >.3333,373.667,0,16:100000:16/64,2354,27,0,0,8455.67,14.6667,2211.67,26.3333 >,0,0,9724,22.3333 > ext3,7760M,52702.7,94.3333,165005,60,82294.7,20.6667,52664,83.6667,258788, >33.3333,335.8,0,16:100000:16/64,858.333,10.6667,10250.3,28.6667,4084,15,897 >,12.6667,4024.33,12.3333,2754,11.3333 > ext4,7760M,53129.7,95,164515,59.3333,101678,31.6667,62194.3,98.6667,266716 >,22.3333,405.767,0,16:100000:16/64,1963.67,23.6667,0,0,20859,73.6667,1731,2 >1.3333,9022,23.6667,16410,65.6667 > jfs,7760M,54606,92,191997,52,112764,33.6667,63585.3,99,274921,22.3333,383. >8,0,16:100000:16/64,344,1,0,0,539.667,0,297.667,1,0,0,340,0 > reiserfs,7760M,51056.7,96,180607,67,106907,38.3333,61231.3,97.6667,275339, >29.3333,441.167,0,16:100000:16/64,2516,60.6667,19174.3,60.6667,8194.33,54.3 >333,2011,42.6667,6963.67,19.6667,9168.33,68.6667 > xfs,7760M,52985.7,93,158342,45,79682,14,60547.3,98,239101,20.3333,359.667, >0,16:100000:16/64,415,4,0,0,1774.67,10.6667,454,4.66667,14526.3,40,1572,12. >6667 > zfs,7760M, Dissecting some of these numbers: speed %cpu > 25601,43.3333, > 32198.7,4, > 13266.3, 2, > 44145.3,68.6667, > 129278,9, > 245.167,0, > 16:100000:16/64, speed %cpu > 218.333,2, > 2698.33,11.6667, > 7434.67,14.3333, > 244,2, > 2191.33,11.6667, > 5613.33,13.3333 Extrapolating these %cpu number makes ZFS the fastest. Are you sure these numbers are correct? Thanks! -- Al - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
