== sanity test 101a: check read-ahead for random reads === 15:59:15 (1710100755) nreads: 10000 file size: 96MB 58.125578s, 11.2749MB/s osc.lustre-OST0000-osc-ffff880078345000.rpc_stats= snapshot_time: 1710100817.783383501 secs.nsecs start_time: 1710100755.834019125 secs.nsecs elapsed_time: 61.949364376 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 osc.lustre-OST0001-osc-ffff880078345000.rpc_stats= snapshot_time: 1710100817.783543957 secs.nsecs start_time: 1710100755.834076905 secs.nsecs elapsed_time: 61.949467052 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: 1 0 0 | 2 1 1 2: 2 0 0 | 1 0 2 4: 2 0 0 | 0 0 2 8: 5 0 0 | 0 0 2 16: 5006 99 100 | 0 0 2 32: 0 0 100 | 0 0 2 64: 0 0 100 | 0 0 2 128: 0 0 100 | 0 0 2 256: 0 0 100 | 100 97 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 5014 99 99 | 101 98 98 2: 2 0 100 | 1 0 99 3: 0 0 100 | 1 0 100 read write offset rpcs % cum % | rpcs % cum % 0: 3 0 0 | 4 3 3 1: 0 0 0 | 0 0 3 2: 0 0 0 | 0 0 3 4: 0 0 0 | 0 0 3 8: 0 0 0 | 0 0 3 16: 5 0 0 | 0 0 3 32: 7 0 0 | 0 0 3 64: 16 0 0 | 0 0 3 128: 26 0 1 | 0 0 3 256: 58 1 2 | 1 0 4 512: 107 2 4 | 2 1 6 1024: 211 4 8 | 4 3 10 2048: 446 8 17 | 8 7 18 4096: 885 17 35 | 16 15 33 8192: 1716 34 69 | 32 31 65 16384: 1536 30 100 | 36 34 100 llite.lustre-ffff880078345000.read_ahead_stats= snapshot_time 1710100817.788435215 secs.nsecs start_time 1710100755.837666156 secs.nsecs elapsed_time 61.950769059 secs.nsecs hits 75116 samples [pages] misses 5016 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 75116 samples [pages] failed_to_fast_read 5016 samples [pages] readahead_pages 5015 samples [pages] 1 15 75116