>>>>> Dave Kleikamp (DK) writes: DK> On Tue, 2006-11-07 at 11:47 -0800, Andrew Morton wrote: >> Why is ext3 slow?? DK> Allocation? I don't see anything indicating that Bill is overwriting an DK> existing file, so there is block allocation and journaling overhead. If DK> that's the case, it would be interesting to see how fast ext3 is when DK> overwriting a file. Extents and delayed allocation should improve on DK> this a lot. this was my first suspiction as well. though in my testing on opteron write achieved ~300MB/s consuming 100% cpu. so it would be interesting to see vmstat output and actual cpu consumption. thanks, Alex - To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
