== sanity test 101a: check read-ahead for random reads === 00:01:29 (1744171289) nreads: 10000 file size: 96MB 36.449409s, 17.98MB/s osc.lustre-OST0000-osc-ffff8800a8304800.rpc_stats= snapshot_time: 1744171337.481071454 secs.nsecs start_time: 1744171289.864394160 secs.nsecs elapsed_time: 47.616677294 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: 3 0 0 | 1 3 3 2: 0 0 0 | 1 3 7 4: 3 0 0 | 0 0 7 8: 7 0 0 | 1 3 10 16: 6323 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: 6336 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: 4 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: 7 0 0 | 0 0 14 64: 23 0 0 | 0 0 14 128: 34 0 1 | 0 0 14 256: 74 1 2 | 0 0 14 512: 144 2 4 | 0 0 14 1024: 271 4 8 | 1 3 17 2048: 581 9 18 | 2 7 25 4096: 1149 18 36 | 4 14 39 8192: 2212 34 71 | 8 28 67 16384: 1832 28 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8800a8304800.rpc_stats= snapshot_time: 1744171337.481155592 secs.nsecs start_time: 1744171289.864407243 secs.nsecs elapsed_time: 47.616748349 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-ffff8800a8304800.read_ahead_stats= snapshot_time 1744171337.484965772 secs.nsecs start_time 1744171289.868013426 secs.nsecs elapsed_time 47.616952346 secs.nsecs hits 94859 samples [pages] misses 6336 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94862 samples [pages] failed_to_fast_read 6336 samples [pages] readahead_pages 6333 samples [pages] 2 15 94859