== sanity test 101a: check read-ahead for random reads === 18:07:29 (1748470049) nreads: 10000 file size: 96MB 55.589498s, 11.7893MB/s osc.lustre-OST0000-osc-ffff8800a8ce4800.rpc_stats= snapshot_time: 1748470108.796194072 secs.nsecs start_time: 1748470049.611243810 secs.nsecs elapsed_time: 59.184950262 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 | 1 3 3 2: 0 0 0 | 2 7 10 4: 2 0 0 | 0 0 10 8: 6 0 0 | 0 0 10 16: 6372 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: 6380 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: 20 0 0 | 0 0 14 128: 36 0 1 | 0 0 14 256: 70 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 265 4 8 | 1 3 17 2048: 574 8 17 | 2 7 25 4096: 1123 17 35 | 4 14 39 8192: 2185 34 69 | 8 28 67 16384: 1953 30 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8800a8ce4800.rpc_stats= snapshot_time: 1748470108.796293255 secs.nsecs start_time: 1748470049.611258545 secs.nsecs elapsed_time: 59.185034710 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 | 0 0 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 | 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 llite.lustre-ffff8800a8ce4800.read_ahead_stats= snapshot_time 1748470108.802214604 secs.nsecs start_time 1748470049.614883725 secs.nsecs elapsed_time 59.187330879 secs.nsecs hits 95595 samples [pages] misses 6380 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95595 samples [pages] failed_to_fast_read 6380 samples [pages] readahead_pages 6380 samples [pages] 2 15 95595