== sanity test 101a: check read-ahead for random reads === 20:44:09 (1733795049) nreads: 10000 file size: 96MB 31.701360s, 20.6729MB/s osc.lustre-OST0000-osc-ffff8800b5c3e800.rpc_stats= snapshot_time: 1733795091.115860660 secs.nsecs start_time: 1733795049.508015981 secs.nsecs elapsed_time: 41.607844679 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 50 50 2: 0 0 0 | 2 50 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 25 25 2: 0 0 0 | 1 25 50 3: 0 0 0 | 2 50 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff8800b5c3e800.rpc_stats= snapshot_time: 1733795091.115972344 secs.nsecs start_time: 1733795049.508089460 secs.nsecs elapsed_time: 41.607882884 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: 2 0 0 | 2 7 7 2: 4 0 0 | 0 0 7 4: 3 0 0 | 0 0 7 8: 5 0 0 | 1 3 10 16: 6326 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: 6340 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: 6 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: 5 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 20 0 0 | 0 0 14 128: 33 0 1 | 0 0 14 256: 75 1 2 | 0 0 14 512: 137 2 4 | 0 0 14 1024: 266 4 8 | 1 3 17 2048: 579 9 17 | 2 7 25 4096: 1116 17 35 | 4 14 39 8192: 2202 34 70 | 8 28 67 16384: 1893 29 100 | 9 32 100 llite.lustre-ffff8800b5c3e800.read_ahead_stats= snapshot_time 1733795091.119095765 secs.nsecs start_time 1733795049.511442684 secs.nsecs elapsed_time 41.607653081 secs.nsecs hits 94893 samples [pages] misses 6340 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94895 samples [pages] failed_to_fast_read 6340 samples [pages] readahead_pages 6338 samples [pages] 1 15 94893