== sanity test 101a: check read-ahead for random reads === 22:19:52 (1746065992) nreads: 10000 file size: 96MB 90.612340s, 7.23257MB/s osc.lustre-OST0000-osc-ffff880137300800.rpc_stats= snapshot_time: 1746066089.051692789 secs.nsecs start_time: 1746065992.710090893 secs.nsecs elapsed_time: 96.341601896 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-ffff880137300800.rpc_stats= snapshot_time: 1746066089.051789739 secs.nsecs start_time: 1746065992.710104568 secs.nsecs elapsed_time: 96.341685171 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: 1 0 0 | 1 3 10 4: 2 0 0 | 0 0 10 8: 6 0 0 | 1 3 13 16: 6459 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: 6463 99 99 | 27 93 93 2: 5 0 100 | 1 3 96 3: 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: 20 0 0 | 0 0 17 128: 32 0 1 | 0 0 17 256: 72 1 2 | 0 0 17 512: 135 2 4 | 0 0 17 1024: 264 4 8 | 1 3 20 2048: 584 9 17 | 2 6 27 4096: 1102 17 34 | 4 13 41 8192: 2147 33 67 | 8 27 68 16384: 2093 32 100 | 9 31 100 llite.lustre-ffff880137300800.read_ahead_stats= snapshot_time 1746066089.058125914 secs.nsecs start_time 1746065992.718137669 secs.nsecs elapsed_time 96.339988245 secs.nsecs hits 96900 samples [pages] misses 6468 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96900 samples [pages] failed_to_fast_read 6468 samples [pages] readahead_pages 6468 samples [pages] 1 15 96900