== sanity test 101a: check read-ahead for random reads === 12:32:29 (1744129949) nreads: 10000 file size: 96MB 35.701199s, 18.3568MB/s osc.lustre-OST0000-osc-ffff8800b0dfd800.rpc_stats= snapshot_time: 1744129991.637836930 secs.nsecs start_time: 1744129949.602418004 secs.nsecs elapsed_time: 42.035418926 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 | 2 66 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff8800b0dfd800.rpc_stats= snapshot_time: 1744129991.637922361 secs.nsecs start_time: 1744129949.602430567 secs.nsecs elapsed_time: 42.035491794 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: 3 0 0 | 0 0 10 8: 3 0 0 | 1 3 13 16: 6334 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: 6340 100 100 | 26 89 89 2: 0 0 100 | 1 3 93 3: 0 0 100 | 2 6 100 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: 5 0 0 | 0 0 17 32: 7 0 0 | 0 0 17 64: 23 0 0 | 0 0 17 128: 34 0 1 | 0 0 17 256: 74 1 2 | 0 0 17 512: 143 2 4 | 0 0 17 1024: 272 4 8 | 1 3 20 2048: 584 9 18 | 2 6 27 4096: 1156 18 36 | 4 13 41 8192: 2233 35 71 | 8 27 68 16384: 1805 28 100 | 9 31 100 llite.lustre-ffff8800b0dfd800.read_ahead_stats= snapshot_time 1744129991.641336378 secs.nsecs start_time 1744129949.605655232 secs.nsecs elapsed_time 42.035681146 secs.nsecs hits 95007 samples [pages] misses 6340 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95007 samples [pages] failed_to_fast_read 6340 samples [pages] readahead_pages 6340 samples [pages] 3 15 95007