== sanity test 101a: check read-ahead for random reads === 21:14:20 (1713402860) nreads: 10000 file size: 96MB 40.434674s, 16.2079MB/s osc.lustre-OST0000-osc-ffff8800b5caa800.rpc_stats= snapshot_time: 1713402904.525467372 secs.nsecs start_time: 1713402860.872083175 secs.nsecs elapsed_time: 43.653384197 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-ffff8800b5caa800.rpc_stats= snapshot_time: 1713402904.525664407 secs.nsecs start_time: 1713402860.872171548 secs.nsecs elapsed_time: 43.653492859 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 1 1 2: 1 0 0 | 1 0 2 4: 2 0 0 | 0 0 2 8: 2 0 0 | 0 0 2 16: 4988 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: 4993 100 100 | 101 98 98 2: 0 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: 52 1 2 | 1 0 4 512: 108 2 4 | 2 1 6 1024: 205 4 8 | 4 3 10 2048: 428 8 17 | 8 7 18 4096: 858 17 34 | 16 15 33 8192: 1669 33 67 | 32 31 65 16384: 1616 32 100 | 36 34 100 llite.lustre-ffff8800b5caa800.read_ahead_stats= snapshot_time 1713402904.529307661 secs.nsecs start_time 1713402860.878548167 secs.nsecs elapsed_time 43.650759494 secs.nsecs hits 74791 samples [pages] misses 4993 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 74791 samples [pages] failed_to_fast_read 4993 samples [pages] readahead_pages 4993 samples [pages] 1 15 74791