== sanity test 101a: check read-ahead for random reads === 18:33:45 (1736984025) nreads: 10000 file size: 96MB 26.607654s, 24.6305MB/s osc.lustre-OST0000-osc-ffff8800aa5aa000.rpc_stats= snapshot_time: 1736984054.162239575 secs.nsecs start_time: 1736984026.491201307 secs.nsecs elapsed_time: 27.671038268 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-ffff8800aa5aa000.rpc_stats= snapshot_time: 1736984054.162393849 secs.nsecs start_time: 1736984026.491254052 secs.nsecs elapsed_time: 27.671139797 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 960 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 7 7 2: 0 0 0 | 1 3 10 4: 0 0 0 | 0 0 10 8: 0 0 0 | 1 3 14 16: 6612 100 100 | 0 0 14 32: 0 0 100 | 0 0 14 64: 0 0 100 | 0 0 14 128: 0 0 100 | 0 0 14 256: 0 0 100 | 0 0 14 512: 0 0 100 | 0 0 14 1024: 0 0 100 | 24 85 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6606 99 99 | 24 85 85 2: 6 0 100 | 2 7 92 3: 0 0 100 | 1 3 96 4: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 6 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: 32 0 1 | 0 0 17 256: 75 1 2 | 0 0 17 512: 137 2 4 | 0 0 17 1024: 259 3 8 | 1 3 21 2048: 588 8 17 | 2 7 28 4096: 1120 16 34 | 4 14 42 8192: 2240 33 67 | 8 28 71 16384: 2123 32 100 | 8 28 100 llite.lustre-ffff8800aa5aa000.read_ahead_stats= snapshot_time 1736984054.166817431 secs.nsecs start_time 1736984026.496247069 secs.nsecs elapsed_time 27.670570362 secs.nsecs hits 99180 samples [pages] misses 6612 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99180 samples [pages] failed_to_fast_read 6612 samples [pages]