On 7/25/14, 12:51 PM, Theodore Ts'o wrote: > When resizing an empty 21T file system to 28T, resize2fs was using > this much CPU time and memory: > > 216.98user 19.77system 4:02.92elapsed 97%CPU (0avgtext+0avgdata 4485664maxresident)k > 8inputs+1068680outputs (0major+800745minor)pagefaults 0swaps > > After this one-line change: > > 222.29user 0.49system 3:48.79elapsed 97%CPU (0avgtext+0avgdata 30080maxresident)k > 8inputs+1068552outputs (0major+2497minor)pagefaults 0swaps > > An extra 14 seconds (+6%) of elapsed time to reduce the memory > utilization from 4.2GB to 29MB seems like a fair trade. :-) especially when it actually looks like 14 *fewer* seconds (-6%) ? -Eric -- 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
