== sanity test 101a: check read-ahead for random reads === 23:34:50 (1746156890) nreads: 10000 file size: 96MB 89.819342s, 7.29642MB/s osc.lustre-OST0000-osc-ffff8800a818f800.rpc_stats= snapshot_time: 1746156987.187713218 secs.nsecs start_time: 1746156891.047394455 secs.nsecs elapsed_time: 96.140318763 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO 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-ffff8800a818f800.rpc_stats= snapshot_time: 1746156987.187862676 secs.nsecs start_time: 1746156891.047411945 secs.nsecs elapsed_time: 96.140450731 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO 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: 0 0 0 | 1 3 10 4: 2 0 0 | 0 0 10 8: 3 0 0 | 1 3 13 16: 6460 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: 6464 99 99 | 27 93 93 2: 1 0 100 | 1 3 96 3: 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: 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: 135 2 4 | 0 0 17 1024: 271 4 8 | 1 3 20 2048: 570 8 17 | 2 6 27 4096: 1107 17 34 | 4 13 41 8192: 2134 33 67 | 8 27 68 16384: 2102 32 100 | 9 31 100 llite.lustre-ffff8800a818f800.read_ahead_stats= snapshot_time 1746156987.195174704 secs.nsecs start_time 1746156891.051943864 secs.nsecs elapsed_time 96.143230840 secs.nsecs hits 96892 samples [pages] misses 6465 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96892 samples [pages] failed_to_fast_read 6465 samples [pages] readahead_pages 6465 samples [pages] 2 15 96892