== sanity test 101a: check read-ahead for random reads === 16:31:54 (1746131514) nreads: 10000 file size: 96MB 80.404158s, 8.15082MB/s osc.lustre-OST0000-osc-ffff88007c565800.rpc_stats= snapshot_time: 1746131607.543243384 secs.nsecs start_time: 1746131515.706913902 secs.nsecs elapsed_time: 91.836329482 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-ffff88007c565800.rpc_stats= snapshot_time: 1746131607.543344691 secs.nsecs start_time: 1746131515.706928589 secs.nsecs elapsed_time: 91.836416102 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: 1 0 0 | 0 0 7 4: 3 0 0 | 0 0 7 8: 6 0 0 | 1 3 10 16: 6526 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: 6534 99 99 | 26 92 92 2: 2 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: 5 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 22 0 0 | 0 0 14 128: 29 0 1 | 0 0 14 256: 71 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 267 4 8 | 1 3 17 2048: 546 8 16 | 2 7 25 4096: 1103 16 33 | 4 14 39 8192: 2164 33 66 | 8 28 67 16384: 2181 33 100 | 9 32 100 llite.lustre-ffff88007c565800.read_ahead_stats= snapshot_time 1746131607.549561654 secs.nsecs start_time 1746131515.713379694 secs.nsecs elapsed_time 91.836181960 secs.nsecs hits 97909 samples [pages] misses 6536 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97909 samples [pages] failed_to_fast_read 6536 samples [pages] readahead_pages 6536 samples [pages] 1 15 97909