== sanity test 101a: check read-ahead for random reads === 21:20:54 (1745457654) nreads: 10000 file size: 96MB 36.249017s, 18.0794MB/s osc.lustre-OST0000-osc-ba97bf94-9314-42fd-9eb6-e8419a7d5ae0.rpc_stats= snapshot_time: 1745457699.512909566 secs.nsecs start_time: 1745457654.589496496 secs.nsecs elapsed_time: 44.923413070 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 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ba97bf94-9314-42fd-9eb6-e8419a7d5ae0.rpc_stats= snapshot_time: 1745457699.512991237 secs.nsecs start_time: 1745457654.589512614 secs.nsecs elapsed_time: 44.923478623 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 6 6 2: 3 0 0 | 1 3 10 4: 0 0 0 | 0 0 10 8: 7 0 0 | 1 3 13 16: 6338 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: 6348 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: 5 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: 6 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 22 0 0 | 0 0 17 128: 33 0 1 | 0 0 17 256: 72 1 2 | 0 0 17 512: 137 2 4 | 0 0 17 1024: 274 4 8 | 1 3 20 2048: 582 9 17 | 2 6 27 4096: 1145 18 35 | 4 13 41 8192: 2224 35 71 | 8 27 68 16384: 1840 28 100 | 9 31 100 llite.lustre-ba97bf94-9314-42fd-9eb6-e8419a7d5ae0.read_ahead_stats= snapshot_time 1745457699.515565818 secs.nsecs start_time 1745457654.593241798 secs.nsecs elapsed_time 44.922324020 secs.nsecs hits 95096 samples [pages] misses 6348 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95096 samples [pages] failed_to_fast_read 6348 samples [pages] readahead_pages 6348 samples [pages] 1 15 95096