== sanity test 101a: check read-ahead for random reads === 21:18:01 (1708827481) nreads: 10000 file size: 96MB 30.212857s, 21.6914MB/s osc.lustre-OST0000-osc-ffff88012b162800.rpc_stats= snapshot_time: 1708827514.907318356 secs.nsecs start_time: 1708827481.768322834 secs.nsecs elapsed_time: 33.138995522 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 66 66 2: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff88012b162800.rpc_stats= snapshot_time: 1708827514.907430981 secs.nsecs start_time: 1708827481.768412198 secs.nsecs elapsed_time: 33.139018783 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 960 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 7 7 2: 1 0 0 | 1 3 10 4: 2 0 0 | 0 0 10 8: 2 0 0 | 1 3 14 16: 6252 99 100 | 0 0 14 32: 0 0 100 | 0 0 14 64: 0 0 100 | 0 0 14 128: 0 0 100 | 0 0 14 256: 0 0 100 | 0 0 14 512: 0 0 100 | 0 0 14 1024: 0 0 100 | 24 85 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6257 100 100 | 25 89 89 2: 0 0 100 | 1 3 92 3: 0 0 100 | 1 3 96 4: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 6 0 0 | 5 17 17 1: 0 0 0 | 0 0 17 2: 0 0 0 | 0 0 17 4: 0 0 0 | 0 0 17 8: 0 0 0 | 0 0 17 16: 5 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 22 0 0 | 0 0 17 128: 35 0 1 | 0 0 17 256: 76 1 2 | 0 0 17 512: 142 2 4 | 0 0 17 1024: 279 4 9 | 1 3 21 2048: 618 9 19 | 2 7 28 4096: 1177 18 37 | 4 14 42 8192: 2211 35 73 | 8 28 71 16384: 1678 26 100 | 8 28 100 llite.lustre-ffff88012b162800.read_ahead_stats= snapshot_time 1708827514.911164941 secs.nsecs start_time 1708827481.771597391 secs.nsecs elapsed_time 33.139567550 secs.nsecs hits 93774 samples [pages] misses 6257 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 93774 samples [pages] failed_to_fast_read 6257 samples [pages] readahead_pages 6257 samples [pages] 1 15 93774