== sanity test 101a: check read-ahead for random reads === 23:47:22 (1780976842) nreads: 10000 file size: 96MB 76.366098s, 8.58182MB/s osc.lustre-OST0000-osc-ffff916c48619800.rpc_stats= snapshot_time: 1780976925.281990907 secs.nsecs start_time: 1780976844.283163789 secs.nsecs elapsed_time: 80.998827118 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 0 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 66 66 2: 0 0 0 | 0 0 66 4: 0 0 0 | 0 0 66 8: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 3 100 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff916c48619800.rpc_stats= snapshot_time: 1780976925.282093527 secs.nsecs start_time: 1780976844.283200467 secs.nsecs elapsed_time: 80.998893060 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 0 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 1 1 2: 0 0 0 | 0 0 1 4: 0 0 0 | 0 0 1 8: 0 0 0 | 0 0 1 16: 5083 100 100 | 0 0 1 32: 0 0 100 | 0 0 1 64: 0 0 100 | 0 0 1 128: 0 0 100 | 0 0 1 256: 0 0 100 | 100 98 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 5078 99 99 | 60 58 58 2: 5 0 100 | 33 32 91 3: 0 0 100 | 7 6 98 4: 0 0 100 | 2 1 100 read write offset rpcs % cum % | rpcs % cum % 0: 3 0 0 | 3 2 2 1: 0 0 0 | 0 0 2 2: 0 0 0 | 0 0 2 4: 0 0 0 | 0 0 2 8: 0 0 0 | 0 0 2 16: 4 0 0 | 0 0 2 32: 6 0 0 | 0 0 2 64: 16 0 0 | 0 0 2 128: 27 0 1 | 0 0 2 256: 53 1 2 | 1 0 3 512: 109 2 4 | 2 1 5 1024: 205 4 8 | 4 3 9 2048: 432 8 16 | 8 7 17 4096: 866 17 33 | 16 15 33 8192: 1689 33 67 | 32 31 64 16384: 1673 32 100 | 36 35 100 llite.lustre-ffff916c48619800.read_ahead_stats= snapshot_time 1780976925.295310939 secs.nsecs start_time 1780976844.300924734 secs.nsecs elapsed_time 80.994386205 secs.nsecs hits 76241 samples [pages] misses 5083 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 76241 samples [pages] failed_to_fast_read 5083 samples [pages]