== sanity test 101a: check read-ahead for random reads === 00:12:02 (1721880722) nreads: 10000 file size: 96MB 32.791650s, 19.9856MB/s osc.lustre-OST0000-osc-ffff8800aa076800.rpc_stats= snapshot_time: 1721880765.657173629 secs.nsecs start_time: 1721880723.320062311 secs.nsecs elapsed_time: 42.337111318 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 | 3 75 75 2: 0 0 0 | 1 25 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 50 50 2: 0 0 0 | 1 25 75 3: 0 0 0 | 1 25 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff8800aa076800.rpc_stats= snapshot_time: 1721880765.657295196 secs.nsecs start_time: 1721880723.320120489 secs.nsecs elapsed_time: 42.337174707 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 | 1 3 3 2: 2 0 0 | 1 3 7 4: 1 0 0 | 0 0 7 8: 7 0 0 | 1 3 10 16: 6359 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: 6369 100 100 | 27 96 96 2: 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: 7 0 0 | 0 0 14 64: 22 0 0 | 0 0 14 128: 33 0 1 | 0 0 14 256: 73 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 268 4 8 | 1 3 17 2048: 563 8 17 | 2 7 25 4096: 1111 17 34 | 4 14 39 8192: 2192 34 69 | 8 28 67 16384: 1954 30 100 | 9 32 100 llite.lustre-ffff8800aa076800.read_ahead_stats= snapshot_time 1721880765.659997605 secs.nsecs start_time 1721880723.323052607 secs.nsecs elapsed_time 42.336944998 secs.nsecs hits 95379 samples [pages] misses 6369 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95379 samples [pages] failed_to_fast_read 6369 samples [pages] readahead_pages 6369 samples [pages] 1 15 95379