== sanity test 101a: check read-ahead for random reads === 06:30:25 (1733398225) nreads: 10000 file size: 96MB 36.111013s, 18.1485MB/s osc.lustre-OST0000-osc-ffff8800a195f000.rpc_stats= snapshot_time: 1733398270.128822430 secs.nsecs start_time: 1733398225.679138012 secs.nsecs elapsed_time: 44.449684418 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-ffff8800a195f000.rpc_stats= snapshot_time: 1733398270.128925281 secs.nsecs start_time: 1733398225.679219987 secs.nsecs elapsed_time: 44.449705294 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: 0 0 0 | 1 3 10 4: 1 0 0 | 0 0 10 8: 2 0 0 | 1 3 13 16: 6312 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: 6315 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: 7 0 0 | 0 0 17 64: 22 0 0 | 0 0 17 128: 34 0 1 | 0 0 17 256: 74 1 2 | 0 0 17 512: 139 2 4 | 0 0 17 1024: 272 4 8 | 1 3 20 2048: 582 9 18 | 2 6 27 4096: 1147 18 36 | 4 13 41 8192: 2225 35 71 | 8 27 68 16384: 1802 28 100 | 9 31 100 llite.lustre-ffff8800a195f000.read_ahead_stats= snapshot_time 1733398270.131713949 secs.nsecs start_time 1733398225.682558507 secs.nsecs elapsed_time 44.449155442 secs.nsecs hits 94668 samples [pages] misses 6315 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94668 samples [pages] failed_to_fast_read 6315 samples [pages] readahead_pages 6315 samples [pages] 3 15 94668