== sanity test 101a: check read-ahead for random reads === 18:56:58 (1746140218) nreads: 10000 file size: 96MB 99.606945s, 6.57946MB/s osc.lustre-OST0000-osc-ffff88007d826000.rpc_stats= snapshot_time: 1746140330.294726373 secs.nsecs start_time: 1746140219.082665930 secs.nsecs elapsed_time: 111.212060443 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 | 2 50 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff88007d826000.rpc_stats= snapshot_time: 1746140330.294825876 secs.nsecs start_time: 1746140219.082683570 secs.nsecs elapsed_time: 111.212142306 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: 2 0 0 | 0 0 7 8: 8 0 0 | 1 3 10 16: 6478 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: 6480 99 99 | 27 96 96 2: 10 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: 23 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: 267 4 8 | 1 3 17 2048: 555 8 16 | 2 7 25 4096: 1102 16 33 | 4 14 39 8192: 2168 33 67 | 8 28 67 16384: 2126 32 100 | 9 32 100 llite.lustre-ffff88007d826000.read_ahead_stats= snapshot_time 1746140330.305341836 secs.nsecs start_time 1746140219.089149822 secs.nsecs elapsed_time 111.216192014 secs.nsecs hits 97195 samples [pages] misses 6490 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97195 samples [pages] failed_to_fast_read 6490 samples [pages] readahead_pages 6489 samples [pages] 1 15 97195