== sanity test 101a: check read-ahead for random reads === 21:17:24 (1746148644) nreads: 10000 file size: 96MB 87.568167s, 7.484MB/s osc.lustre-OST0000-osc-ffff8800833f5000.rpc_stats= snapshot_time: 1746148745.184906005 secs.nsecs start_time: 1746148645.170749863 secs.nsecs elapsed_time: 100.014156142 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 75 75 2: 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-ffff8800833f5000.rpc_stats= snapshot_time: 1746148745.185005785 secs.nsecs start_time: 1746148645.170763696 secs.nsecs elapsed_time: 100.014242089 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 3 3 2: 0 0 0 | 1 3 7 4: 1 0 0 | 0 0 7 8: 6 0 0 | 1 3 10 16: 6560 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: 6564 99 99 | 26 92 92 2: 3 0 100 | 1 3 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 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: 6 0 0 | 0 0 14 32: 7 0 0 | 0 0 14 64: 22 0 0 | 0 0 14 128: 33 0 1 | 0 0 14 256: 71 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 261 3 8 | 1 3 17 2048: 555 8 16 | 2 7 25 4096: 1094 16 33 | 4 14 39 8192: 2187 33 66 | 8 28 67 16384: 2191 33 100 | 9 32 100 llite.lustre-ffff8800833f5000.read_ahead_stats= snapshot_time 1746148745.192202528 secs.nsecs start_time 1746148645.176843346 secs.nsecs elapsed_time 100.015359182 secs.nsecs hits 98409 samples [pages] misses 6567 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 98409 samples [pages] failed_to_fast_read 6567 samples [pages] readahead_pages 6567 samples [pages] 2 15 98409