== sanity test 101a: check read-ahead for random reads === 00:03:03 (1746072183) nreads: 10000 file size: 96MB 84.708822s, 7.73662MB/s osc.lustre-OST0000-osc-ffff880080521800.rpc_stats= snapshot_time: 1746072281.169258611 secs.nsecs start_time: 1746072184.232630548 secs.nsecs elapsed_time: 96.936628063 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-ffff880080521800.rpc_stats= snapshot_time: 1746072281.169382042 secs.nsecs start_time: 1746072184.232643624 secs.nsecs elapsed_time: 96.936738418 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: 1 0 0 | 1 3 3 2: 1 0 0 | 1 3 7 4: 0 0 0 | 0 0 7 8: 5 0 0 | 1 3 10 16: 6461 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: 6467 99 99 | 27 96 96 2: 1 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 4 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: 22 0 0 | 0 0 14 128: 30 0 1 | 0 0 14 256: 71 1 2 | 0 0 14 512: 132 2 4 | 0 0 14 1024: 265 4 8 | 1 3 17 2048: 553 8 16 | 2 7 25 4096: 1095 16 33 | 4 14 39 8192: 2161 33 67 | 8 28 67 16384: 2123 32 100 | 9 32 100 llite.lustre-ffff880080521800.read_ahead_stats= snapshot_time 1746072281.174111493 secs.nsecs start_time 1746072184.236741020 secs.nsecs elapsed_time 96.937370473 secs.nsecs hits 96931 samples [pages] misses 6468 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96931 samples [pages] failed_to_fast_read 6468 samples [pages] readahead_pages 6467 samples [pages] 1 15 96931