== sanity test 101a: check read-ahead for random reads === 16:22:49 (1717014169) nreads: 10000 file size: 96MB 87.047382s, 7.52877MB/s osc.lustre-OST0000-osc-ffff88012c48a000.rpc_stats= snapshot_time: 1717014268.042025021 secs.nsecs start_time: 1717014170.865950193 secs.nsecs elapsed_time: 97.176074828 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 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 66 66 2: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff88012c48a000.rpc_stats= snapshot_time: 1717014268.042239896 secs.nsecs start_time: 1717014170.866025192 secs.nsecs elapsed_time: 97.176214704 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 6 6 2: 1 0 0 | 1 3 10 4: 1 0 0 | 0 0 10 8: 6 0 0 | 1 3 13 16: 6477 99 100 | 0 0 13 32: 0 0 100 | 0 0 13 64: 0 0 100 | 0 0 13 128: 0 0 100 | 0 0 13 256: 0 0 100 | 0 0 13 512: 0 0 100 | 0 0 13 1024: 0 0 100 | 25 86 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6474 99 99 | 26 89 89 2: 11 0 100 | 1 3 93 3: 0 0 100 | 1 3 96 4: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 5 17 17 1: 0 0 0 | 0 0 17 2: 0 0 0 | 0 0 17 4: 0 0 0 | 0 0 17 8: 0 0 0 | 0 0 17 16: 5 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 19 0 0 | 0 0 17 128: 30 0 1 | 0 0 17 256: 71 1 2 | 0 0 17 512: 135 2 4 | 0 0 17 1024: 264 4 8 | 1 3 20 2048: 556 8 16 | 2 6 27 4096: 1092 16 33 | 4 13 41 8192: 2163 33 67 | 8 27 68 16384: 2137 32 100 | 9 31 100 llite.lustre-ffff88012c48a000.read_ahead_stats= snapshot_time 1717014268.048521002 secs.nsecs start_time 1717014170.884465017 secs.nsecs elapsed_time 97.164055985 secs.nsecs hits 97171 samples [pages] misses 6485 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97171 samples [pages] failed_to_fast_read 6485 samples [pages] readahead_pages 6485 samples [pages] 1 15 97171