== sanity test 101a: check read-ahead for random reads === 21:18:59 (1708827539) nreads: 10000 file size: 96MB 34.080547s, 19.2297MB/s osc.lustre-OST0000-osc-ffff8800b6d31000.rpc_stats= snapshot_time: 1708827576.969380339 secs.nsecs start_time: 1708827539.693596567 secs.nsecs elapsed_time: 37.275783772 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 7 7 2: 0 0 0 | 1 3 10 4: 1 0 0 | 0 0 10 8: 3 0 0 | 0 0 10 16: 6011 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: 6015 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: 5 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: 6 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 22 0 0 | 0 0 14 128: 37 0 1 | 0 0 14 256: 76 1 2 | 0 0 14 512: 147 2 5 | 0 0 14 1024: 292 4 9 | 1 3 17 2048: 636 10 20 | 2 7 25 4096: 1206 20 40 | 4 14 39 8192: 1985 33 73 | 8 28 67 16384: 1595 26 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8800b6d31000.rpc_stats= snapshot_time: 1708827576.969549471 secs.nsecs start_time: 1708827539.693681019 secs.nsecs elapsed_time: 37.275868452 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 llite.lustre-ffff8800b6d31000.read_ahead_stats= snapshot_time 1708827576.973243641 secs.nsecs start_time 1708827539.697404597 secs.nsecs elapsed_time 37.275839044 secs.nsecs hits 90170 samples [pages] misses 6015 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 90170 samples [pages] failed_to_fast_read 6015 samples [pages] readahead_pages 6015 samples [pages] 3 15 90170