== sanity test 101a: check read-ahead for random reads === 04:59:05 (1715331545) nreads: 10000 file size: 96MB 61.113474s, 10.7237MB/s osc.lustre-OST0000-osc-ffff8800b5d8a800.rpc_stats= snapshot_time: 1715331616.020884700 secs.nsecs start_time: 1715331546.002983296 secs.nsecs elapsed_time: 70.017901404 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 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff8800b5d8a800.rpc_stats= snapshot_time: 1715331616.022123113 secs.nsecs start_time: 1715331546.003043522 secs.nsecs elapsed_time: 70.019079591 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: 4 0 0 | 0 0 10 8: 6 0 0 | 1 3 13 16: 6422 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: 6431 99 99 | 26 89 89 2: 2 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: 4 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: 6 0 0 | 0 0 17 32: 7 0 0 | 0 0 17 64: 23 0 0 | 0 0 17 128: 33 0 1 | 0 0 17 256: 72 1 2 | 0 0 17 512: 140 2 4 | 0 0 17 1024: 268 4 8 | 1 3 20 2048: 564 8 17 | 2 6 27 4096: 1107 17 34 | 4 13 41 8192: 2168 33 68 | 8 27 68 16384: 2041 31 100 | 9 31 100 llite.lustre-ffff8800b5d8a800.read_ahead_stats= snapshot_time 1715331616.026556593 secs.nsecs start_time 1715331546.008966816 secs.nsecs elapsed_time 70.017589777 secs.nsecs hits 96331 samples [pages] misses 6433 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96331 samples [pages] failed_to_fast_read 6433 samples [pages] readahead_pages 6433 samples [pages] 1 15 96331