== sanity test 101a: check read-ahead for random reads === 22:52:13 (1743735133) nreads: 10000 file size: 96MB 49.019151s, 13.3695MB/s osc.lustre-OST0000-osc-ffff88012bf16000.rpc_stats= snapshot_time: 1743735186.788102893 secs.nsecs start_time: 1743735134.241767368 secs.nsecs elapsed_time: 52.546335525 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO 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-ffff88012bf16000.rpc_stats= snapshot_time: 1743735186.788230876 secs.nsecs start_time: 1743735134.241790905 secs.nsecs elapsed_time: 52.546439971 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO 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 6 6 2: 0 0 0 | 1 3 10 4: 4 0 0 | 0 0 10 8: 5 0 0 | 1 3 13 16: 6313 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: 6324 100 100 | 26 89 89 2: 0 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: 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: 19 0 0 | 0 0 17 128: 35 0 1 | 0 0 17 256: 73 1 2 | 0 0 17 512: 138 2 4 | 0 0 17 1024: 265 4 8 | 1 3 20 2048: 580 9 17 | 2 6 27 4096: 1129 17 35 | 4 13 41 8192: 2169 34 70 | 8 27 68 16384: 1897 29 100 | 9 31 100 llite.lustre-ffff88012bf16000.read_ahead_stats= snapshot_time 1743735186.793742432 secs.nsecs start_time 1743735134.246977407 secs.nsecs elapsed_time 52.546765025 secs.nsecs hits 94693 samples [pages] misses 6324 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94695 samples [pages] failed_to_fast_read 6324 samples [pages] readahead_pages 6322 samples [pages] 2 15 94693