== sanity test 101a: check read-ahead for random reads === 00:25:19 (1734672319) nreads: 10000 file size: 96MB 82.285982s, 7.96442MB/s osc.lustre-OST0000-osc-ffff8800a878e800.rpc_stats= snapshot_time: 1734672408.472833081 secs.nsecs start_time: 1734672319.876128382 secs.nsecs elapsed_time: 88.596704699 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 10 10 2: 1 0 0 | 1 3 13 4: 1 0 0 | 0 0 13 8: 4 0 0 | 0 0 13 16: 6491 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: 6491 99 99 | 26 89 89 2: 6 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: 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: 73 1 2 | 0 0 17 512: 135 2 4 | 0 0 17 1024: 263 4 8 | 1 3 20 2048: 578 8 17 | 2 6 27 4096: 1098 16 34 | 4 13 41 8192: 2159 33 67 | 8 27 68 16384: 2120 32 100 | 9 31 100 osc.lustre-OST0001-osc-ffff8800a878e800.rpc_stats= snapshot_time: 1734672408.472995546 secs.nsecs start_time: 1734672319.876212094 secs.nsecs elapsed_time: 88.596783452 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 33 33 2: 0 0 0 | 1 33 66 4: 0 0 0 | 0 0 66 8: 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 llite.lustre-ffff8800a878e800.read_ahead_stats= snapshot_time 1734672408.478389650 secs.nsecs start_time 1734672319.881675986 secs.nsecs elapsed_time 88.596713664 secs.nsecs hits 97363 samples [pages] misses 6497 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97363 samples [pages] failed_to_fast_read 6497 samples [pages] readahead_pages 6497 samples [pages] 1 15 97363