== sanity test 101a: check read-ahead for random reads === 13:55:04 (1713290104) nreads: 10000 file size: 96MB 45.611333s, 14.3684MB/s osc.lustre-OST0000-osc-ffff88008629a000.rpc_stats= snapshot_time: 1713290154.065285236 secs.nsecs start_time: 1713290104.999577434 secs.nsecs elapsed_time: 49.065707802 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-ffff88008629a000.rpc_stats= snapshot_time: 1713290154.065521773 secs.nsecs start_time: 1713290104.999670511 secs.nsecs elapsed_time: 49.065851262 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: 0 0 0 | 1 0 2 4: 2 0 0 | 0 0 2 8: 3 0 0 | 0 0 2 16: 4994 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: 4999 100 100 | 99 96 96 2: 0 0 100 | 3 2 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: 6 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: 203 4 8 | 4 3 10 2048: 428 8 16 | 8 7 18 4096: 855 17 34 | 16 15 33 8192: 1669 33 67 | 32 31 65 16384: 1628 32 100 | 36 34 100 llite.lustre-ffff88008629a000.read_ahead_stats= snapshot_time 1713290154.070987798 secs.nsecs start_time 1713290105.005112620 secs.nsecs elapsed_time 49.065875178 secs.nsecs hits 74915 samples [pages] misses 4999 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 74915 samples [pages] failed_to_fast_read 4999 samples [pages] readahead_pages 4999 samples [pages] 2 15 74915