== sanity test 101a: check read-ahead for random reads === 03:01:44 (1713078104) nreads: 10000 file size: 96MB 34.554145s, 18.9662MB/s osc.lustre-OST0000-osc-ffff8800aabae800.rpc_stats= snapshot_time: 1713078142.761960119 secs.nsecs start_time: 1713078105.009413222 secs.nsecs elapsed_time: 37.752546897 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 | 1 25 25 2: 0 0 0 | 1 25 50 3: 0 0 0 | 1 25 75 4: 0 0 0 | 1 25 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff8800aabae800.rpc_stats= snapshot_time: 1713078142.762182172 secs.nsecs start_time: 1713078105.009505625 secs.nsecs elapsed_time: 37.752676547 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: 2 0 0 | 2 1 1 2: 3 0 0 | 1 0 2 4: 4 0 0 | 0 0 2 8: 8 0 0 | 0 0 2 16: 4972 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: 4989 100 100 | 100 97 97 2: 0 0 100 | 2 1 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: 4 0 0 | 0 0 3 32: 6 0 0 | 0 0 3 64: 16 0 0 | 0 0 3 128: 27 0 1 | 0 0 3 256: 56 1 2 | 1 0 4 512: 110 2 4 | 2 1 6 1024: 210 4 8 | 4 3 10 2048: 441 8 17 | 8 7 18 4096: 879 17 35 | 16 15 33 8192: 1697 34 69 | 32 31 65 16384: 1540 30 100 | 36 34 100 llite.lustre-ffff8800aabae800.read_ahead_stats= snapshot_time 1713078142.768069135 secs.nsecs start_time 1713078105.013582145 secs.nsecs elapsed_time 37.754486990 secs.nsecs hits 74585 samples [pages] misses 4989 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 74587 samples [pages] failed_to_fast_read 4989 samples [pages] readahead_pages 4987 samples [pages] 1 15 74585