== sanity test 101a: check read-ahead for random reads === 15:27:11 (1746127631) nreads: 10000 file size: 96MB 85.497743s, 7.66523MB/s osc.lustre-OST0000-osc-ffff88012d435800.rpc_stats= snapshot_time: 1746127729.967467172 secs.nsecs start_time: 1746127632.361987870 secs.nsecs elapsed_time: 97.605479302 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-ffff88012d435800.rpc_stats= snapshot_time: 1746127729.967566740 secs.nsecs start_time: 1746127632.362006886 secs.nsecs elapsed_time: 97.605559854 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: 1 0 0 | 0 0 10 8: 7 0 0 | 1 3 13 16: 6450 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: 6456 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: 3 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: 7 0 0 | 0 0 17 64: 22 0 0 | 0 0 17 128: 33 0 1 | 0 0 17 256: 70 1 2 | 0 0 17 512: 139 2 4 | 0 0 17 1024: 267 4 8 | 1 3 20 2048: 565 8 17 | 2 6 27 4096: 1112 17 34 | 4 13 41 8192: 2176 33 68 | 8 27 68 16384: 2059 31 100 | 9 31 100 llite.lustre-ffff88012d435800.read_ahead_stats= snapshot_time 1746127729.972096501 secs.nsecs start_time 1746127632.365936661 secs.nsecs elapsed_time 97.606159840 secs.nsecs hits 96770 samples [pages] misses 6458 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96770 samples [pages] failed_to_fast_read 6458 samples [pages] readahead_pages 6458 samples [pages] 2 15 96770