== sanity test 101a: check read-ahead for random reads === 11:07:40 (1713280060) nreads: 10000 file size: 96MB 43.693714s, 14.999MB/s osc.lustre-OST0000-osc-ffff8800aa7ae000.rpc_stats= snapshot_time: 1713280107.859973544 secs.nsecs start_time: 1713280060.824553705 secs.nsecs elapsed_time: 47.035419839 secs.nsecs read RPCs in flight: 0 write 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 | 1 25 75 4: 0 0 0 | 0 0 75 8: 0 0 0 | 1 25 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 25 25 2: 0 0 0 | 2 50 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-ffff8800aa7ae000.rpc_stats= snapshot_time: 1713280107.860104636 secs.nsecs start_time: 1713280060.824677258 secs.nsecs elapsed_time: 47.035427378 secs.nsecs read RPCs in flight: 0 write 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 1 1 2: 1 0 0 | 1 0 2 4: 2 0 0 | 0 0 2 8: 5 0 0 | 0 0 2 16: 4995 99 100 | 0 0 2 32: 0 0 100 | 0 0 2 64: 0 0 100 | 0 0 2 128: 0 0 100 | 0 0 2 256: 0 0 100 | 100 97 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 5003 100 100 | 96 93 93 2: 0 0 100 | 2 1 95 3: 0 0 100 | 2 1 97 4: 0 0 100 | 1 0 98 5: 0 0 100 | 1 0 99 6: 0 0 100 | 1 0 100 read write offset rpcs % cum % | rpcs % cum % 0: 3 0 0 | 4 3 3 1: 0 0 0 | 0 0 3 2: 0 0 0 | 0 0 3 4: 0 0 0 | 0 0 3 8: 0 0 0 | 0 0 3 16: 5 0 0 | 0 0 3 32: 6 0 0 | 0 0 3 64: 16 0 0 | 0 0 3 128: 26 0 1 | 0 0 3 256: 52 1 2 | 1 0 4 512: 108 2 4 | 2 1 6 1024: 205 4 8 | 4 3 10 2048: 429 8 16 | 8 7 18 4096: 856 17 34 | 16 15 33 8192: 1669 33 67 | 32 31 65 16384: 1628 32 100 | 36 34 100 llite.lustre-ffff8800aa7ae000.read_ahead_stats= snapshot_time 1713280107.863585937 secs.nsecs start_time 1713280060.829984507 secs.nsecs elapsed_time 47.033601430 secs.nsecs hits 74901 samples [pages] misses 5003 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 74901 samples [pages] failed_to_fast_read 5003 samples [pages] readahead_pages 5003 samples [pages] 1 15 74901