== sanity test 101a: check read-ahead for random reads === 17:07:34 (1743455254) nreads: 10000 file size: 96MB 46.163814s, 14.1964MB/s osc.lustre-OST0000-osc-ffff8800b58d0000.rpc_stats= snapshot_time: 1743455307.254692156 secs.nsecs start_time: 1743455255.289580181 secs.nsecs elapsed_time: 51.965111975 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: 1 0 0 | 1 3 3 2: 2 0 0 | 1 3 7 4: 1 0 0 | 0 0 7 8: 2 0 0 | 1 3 10 16: 6337 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: 6343 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: 5 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 18 0 0 | 0 0 14 128: 34 0 1 | 0 0 14 256: 74 1 2 | 0 0 14 512: 136 2 4 | 0 0 14 1024: 263 4 8 | 1 3 17 2048: 573 9 17 | 2 7 25 4096: 1119 17 35 | 4 14 39 8192: 2196 34 69 | 8 28 67 16384: 1912 30 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8800b58d0000.rpc_stats= snapshot_time: 1743455307.254906523 secs.nsecs start_time: 1743455255.289608943 secs.nsecs elapsed_time: 51.965297580 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 | 3 75 75 2: 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-ffff8800b58d0000.read_ahead_stats= snapshot_time 1743455307.260529742 secs.nsecs start_time 1743455255.292787564 secs.nsecs elapsed_time 51.967742178 secs.nsecs hits 95040 samples [pages] misses 6343 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95041 samples [pages] failed_to_fast_read 6343 samples [pages] readahead_pages 6342 samples [pages] 1 15 95040