== sanity test 101a: check read-ahead for random reads === 11:00:18 (1714402818) nreads: 10000 file size: 96MB 96.918305s, 6.76198MB/s osc.lustre-OST0000-osc-ffff88012bfa6000.rpc_stats= snapshot_time: 1714402926.584846059 secs.nsecs start_time: 1714402818.882453370 secs.nsecs elapsed_time: 107.702392689 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 | 2 66 66 2: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff88012bfa6000.rpc_stats= snapshot_time: 1714402926.585189515 secs.nsecs start_time: 1714402818.882531175 secs.nsecs elapsed_time: 107.702658340 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 6 6 2: 1 0 0 | 1 3 10 4: 4 0 0 | 0 0 10 8: 1 0 0 | 1 3 13 16: 6471 99 100 | 0 0 13 32: 0 0 100 | 0 0 13 64: 0 0 100 | 0 0 13 128: 0 0 100 | 0 0 13 256: 0 0 100 | 0 0 13 512: 0 0 100 | 0 0 13 1024: 0 0 100 | 25 86 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6473 99 99 | 26 89 89 2: 5 0 100 | 1 3 93 3: 0 0 100 | 1 3 96 4: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 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: 6 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 20 0 0 | 0 0 17 128: 29 0 1 | 0 0 17 256: 70 1 2 | 0 0 17 512: 134 2 4 | 0 0 17 1024: 263 4 8 | 1 3 20 2048: 559 8 16 | 2 6 27 4096: 1090 16 33 | 4 13 41 8192: 2168 33 67 | 8 27 68 16384: 2126 32 100 | 9 31 100 llite.lustre-ffff88012bfa6000.read_ahead_stats= snapshot_time 1714402926.591213247 secs.nsecs start_time 1714402818.892268911 secs.nsecs elapsed_time 107.698944336 secs.nsecs hits 97033 samples [pages] misses 6478 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97034 samples [pages] failed_to_fast_read 6478 samples [pages] readahead_pages 6477 samples [pages] 1 15 97033