== sanity test 101a: check read-ahead for random reads === 09:04:18 (1747400658) nreads: 10000 file size: 96MB 28.898547s, 22.678MB/s osc.lustre-OST0000-osc-ffff88012d556000.rpc_stats= snapshot_time: 1747400689.597080909 secs.nsecs start_time: 1747400659.554235382 secs.nsecs elapsed_time: 30.042845527 secs.nsecs read RPCs in flight: 0 write 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 | 1 25 75 4: 0 0 0 | 0 0 75 8: 0 0 0 | 1 25 100 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-ffff88012d556000.rpc_stats= snapshot_time: 1747400689.597867675 secs.nsecs start_time: 1747400659.554302140 secs.nsecs elapsed_time: 30.043565535 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 192 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 1 1 2: 0 0 0 | 1 0 2 4: 0 0 0 | 0 0 2 8: 0 0 0 | 0 0 2 16: 5079 100 100 | 0 0 2 32: 0 0 100 | 0 0 2 64: 0 0 100 | 0 0 2 128: 0 0 100 | 0 0 2 256: 0 0 100 | 99 97 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 5076 99 99 | 31 30 30 2: 3 0 100 | 61 59 90 3: 0 0 100 | 9 8 99 4: 0 0 100 | 1 0 100 read write offset rpcs % cum % | rpcs % cum % 0: 3 0 0 | 4 3 3 1: 0 0 0 | 0 0 3 2: 0 0 0 | 0 0 3 4: 0 0 0 | 0 0 3 8: 0 0 0 | 0 0 3 16: 4 0 0 | 0 0 3 32: 6 0 0 | 0 0 3 64: 16 0 0 | 0 0 3 128: 27 0 1 | 0 0 3 256: 53 1 2 | 1 0 4 512: 109 2 4 | 2 1 6 1024: 207 4 8 | 4 3 10 2048: 434 8 16 | 8 7 18 4096: 866 17 33 | 16 15 34 8192: 1692 33 67 | 32 31 65 16384: 1662 32 100 | 35 34 100 llite.lustre-ffff88012d556000.read_ahead_stats= snapshot_time 1747400689.609592462 secs.nsecs start_time 1747400659.565799044 secs.nsecs elapsed_time 30.043793418 secs.nsecs hits 76185 samples [pages] misses 5079 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 76185 samples [pages] failed_to_fast_read 5079 samples [pages]