== sanity test 101a: check read-ahead for random reads === 02:18:23 (1738480703) nreads: 10000 file size: 96MB 47.418074s, 13.8209MB/s osc.lustre-OST0000-osc-ffff88007a238800.rpc_stats= snapshot_time: 1738480755.222015428 secs.nsecs start_time: 1738480704.419769609 secs.nsecs elapsed_time: 50.802245819 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-ffff88007a238800.rpc_stats= snapshot_time: 1738480755.222223081 secs.nsecs start_time: 1738480704.419847816 secs.nsecs elapsed_time: 50.802375265 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: 2 0 0 | 0 0 7 8: 5 0 0 | 1 3 10 16: 6240 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: 6248 100 100 | 26 92 92 2: 0 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: 7 0 0 | 0 0 14 64: 23 0 0 | 0 0 14 128: 36 0 1 | 0 0 14 256: 74 1 2 | 0 0 14 512: 142 2 4 | 0 0 14 1024: 273 4 9 | 1 3 17 2048: 577 9 18 | 2 7 25 4096: 1148 18 36 | 4 14 39 8192: 2053 32 69 | 8 28 67 16384: 1905 30 100 | 9 32 100 llite.lustre-ffff88007a238800.read_ahead_stats= snapshot_time 1738480755.227661569 secs.nsecs start_time 1738480704.425065159 secs.nsecs elapsed_time 50.802596410 secs.nsecs hits 93601 samples [pages] misses 6248 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 93601 samples [pages] failed_to_fast_read 6248 samples [pages] readahead_pages 6248 samples [pages] 1 15 93601