Oops, sorry, I screwed up the "before" numbers. Here are the proper (apples-to-apples) comparisons; the results are not quite as eye-popping, but there is still a significant (3x in wall clock time) improvement... Before... Pass 1: Checking inodes, blocks, and sizes Pass 1: Memory used: 916k/31500k (719k/198k), time: 96.48/81.26/ 0.10 Pass 1: I/O read: 8MB, write: 0MB, rate: 0.08MB/s Pass 2: Checking directory structure Pass 2: Memory used: 916k/62064k (704k/212k), time: 0.46/ 0.01/ 0.03 Pass 2: I/O read: 4MB, write: 0MB, rate: 8.72MB/s Pass 3: Checking directory connectivity Peak memory: Memory used: 916k/62064k (705k/212k), time: 97.56/81.88/ 0.13 Pass 3A: Memory used: 916k/62064k (736k/181k), time: 0.00/ 0.00/ 0.00 Pass 3A: I/O read: 0MB, write: 0MB, rate: 0.00MB/s Pass 3: Memory used: 916k/62064k (693k/223k), time: 0.00/ 0.00/ 0.00 Pass 3: I/O read: 1MB, write: 0MB, rate: 1257.86MB/s Pass 4: Checking reference counts Pass 4: Memory used: 916k/936k (602k/315k), time: 6.59/ 6.55/ 0.02 Pass 4: I/O read: 0MB, write: 0MB, rate: 0.00MB/s Pass 5: Checking group summary information Pass 5: Memory used: 1048k/936k (569k/480k), time: 93.39/80.92/ 0.69 Pass 5: I/O read: 117MB, write: 0MB, rate: 1.25MB/s Memory used: 1048k/936k (569k/480k), time: 197.58/169.36/ 0.84 I/O read: 129MB, write: 0MB, rate: 0.65MB/s 169.36user 0.90system 3:17.66elapsed 86%CPU (0avgtext+0avgdata 254192maxresident)k 0inputs+0outputs (12major+16066minor)pagefaults 0swaps .... and after.... Pass 1: Checking inodes, blocks, and sizes Pass 1: Memory used: 916k/31500k (719k/198k), time: 17.83/ 2.79/ 0.05 Pass 1: I/O read: 8MB, write: 0MB, rate: 0.45MB/s Pass 2: Checking directory structure Pass 2: Memory used: 916k/62064k (704k/212k), time: 0.45/ 0.01/ 0.01 Pass 2: I/O read: 4MB, write: 0MB, rate: 8.82MB/s Pass 3: Checking directory connectivity Peak memory: Memory used: 916k/62064k (704k/212k), time: 18.89/ 3.39/ 0.07 Pass 3A: Memory used: 916k/62064k (735k/181k), time: 0.00/ 0.00/ 0.00 Pass 3A: I/O read: 0MB, write: 0MB, rate: 0.00MB/s Pass 3: Memory used: 916k/62064k (693k/224k), time: 0.00/ 0.00/ 0.00 Pass 3: I/O read: 1MB, write: 0MB, rate: 1265.82MB/s Pass 4: Checking reference counts Pass 4: Memory used: 916k/936k (601k/315k), time: 5.69/ 5.67/ 0.00 Pass 4: I/O read: 0MB, write: 0MB, rate: 0.00MB/s Pass 5: Checking group summary information Pass 5: Memory used: 1048k/936k (569k/480k), time: 22.76/10.49/ 0.53 Pass 5: I/O read: 117MB, write: 0MB, rate: 5.14MB/s Memory used: 1048k/936k (569k/480k), time: 47.38/19.57/ 0.60 I/O read: 129MB, write: 0MB, rate: 2.72MB/s -- 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
