== sanity test 101a: check read-ahead for random reads === 10:47:58 (1713365278) nreads: 10000 file size: 96MB 33.784190s, 19.3984MB/s osc.lustre-OST0000-osc-ffff88012ab6c800.rpc_stats= snapshot_time: 1713365321.062330148 secs.nsecs start_time: 1713365278.701749069 secs.nsecs elapsed_time: 42.360581079 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 7 7 2: 0 0 0 | 1 3 10 4: 5 0 0 | 0 0 10 8: 4 0 0 | 0 0 10 16: 6462 99 100 | 0 0 10 32: 0 0 100 | 0 0 10 64: 0 0 100 | 0 0 10 128: 0 0 100 | 0 0 10 256: 0 0 100 | 0 0 10 512: 0 0 100 | 0 0 10 1024: 0 0 100 | 25 89 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6471 100 100 | 26 92 92 2: 0 0 100 | 1 3 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 4 14 14 1: 0 0 0 | 0 0 14 2: 0 0 0 | 0 0 14 4: 0 0 0 | 0 0 14 8: 0 0 0 | 0 0 14 16: 6 0 0 | 0 0 14 32: 7 0 0 | 0 0 14 64: 20 0 0 | 0 0 14 128: 33 0 1 | 0 0 14 256: 68 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 253 3 8 | 1 3 17 2048: 576 8 17 | 2 7 25 4096: 1098 16 34 | 4 14 39 8192: 2216 34 68 | 8 28 67 16384: 2054 31 100 | 9 32 100 osc.lustre-OST0001-osc-ffff88012ab6c800.rpc_stats= snapshot_time: 1713365321.062451753 secs.nsecs start_time: 1713365278.701830212 secs.nsecs elapsed_time: 42.360621541 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 50 50 2: 0 0 0 | 1 25 75 4: 0 0 0 | 0 0 75 8: 0 0 0 | 1 25 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 50 50 2: 0 0 0 | 1 25 75 3: 0 0 0 | 1 25 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 llite.lustre-ffff88012ab6c800.read_ahead_stats= snapshot_time 1713365321.065621719 secs.nsecs start_time 1713365278.705074473 secs.nsecs elapsed_time 42.360547246 secs.nsecs hits 96922 samples [pages] misses 6471 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96922 samples [pages] failed_to_fast_read 6471 samples [pages] readahead_pages 6471 samples [pages] 2 15 96922