Messages in this thread | | | Date | Sun, 20 Sep 2009 00:54:43 +0200 | Subject | Re: EXT4 RAID read performance | From | wbrana@gmail ... |
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creating tar of compiled kernel takes much longer with ext4
time tar c linux-2.6.31 | cat >/dev/null
reiser3: real 0m11.425s user 0m0.229s sys 0m1.586s
ext4: real 0m23.942s user 0m0.183s sys 0m1.440s
partition was remounted before test
> > RAID details: > > md8 : active raid10 sda7[0] sdd7[3] sdc7[2] sdb7[1] > 62925824 blocks 256K chunks 2 far-copies [4/4] [UUUU] > > Ext4: > mkfs.ext4 -E stride=64,stripe-width=128 /dev/md8 > mount -t ext4 -o noatime,auto_da_alloc,commit=600 /dev/md8 /mnt/md8 > > Reiser3: > mkfs.reiserfs /dev/md8 > mount -t reiserfs -o noatime,notail /dev/md8 /mnt/md8 > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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