== sanity test 101a: check read-ahead for random reads === 00:14:41 (1746072881) nreads: 10000 file size: 96MB 69.646153s, 9.40985MB/s osc.lustre-OST0000-osc-ffff8800b3926800.rpc_stats= snapshot_time: 1746072960.396990104 secs.nsecs start_time: 1746072882.280509924 secs.nsecs elapsed_time: 78.116480180 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 50 50 2: 0 0 0 | 2 50 100 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 osc.lustre-OST0001-osc-ffff8800b3926800.rpc_stats= snapshot_time: 1746072960.397272470 secs.nsecs start_time: 1746072882.280528128 secs.nsecs elapsed_time: 78.116744342 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 7 7 2: 3 0 0 | 0 0 7 4: 4 0 0 | 0 0 7 8: 6 0 0 | 1 3 10 16: 6421 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: 6434 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: 33 0 1 | 0 0 14 256: 72 1 2 | 0 0 14 512: 139 2 4 | 0 0 14 1024: 270 4 8 | 1 3 17 2048: 559 8 17 | 2 7 25 4096: 1105 17 34 | 4 14 39 8192: 2159 33 68 | 8 28 67 16384: 2058 31 100 | 9 32 100 llite.lustre-ffff8800b3926800.read_ahead_stats= snapshot_time 1746072960.401890853 secs.nsecs start_time 1746072882.287947215 secs.nsecs elapsed_time 78.113943638 secs.nsecs hits 96334 samples [pages] misses 6434 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96334 samples [pages] failed_to_fast_read 6434 samples [pages] readahead_pages 6434 samples [pages] 1 15 96334