== sanity test 101a: check read-ahead for random reads === 21:14:28 (1713402868) nreads: 10000 file size: 96MB 53.067251s, 12.3496MB/s osc.lustre-OST0000-osc-ffff8800803d8800.rpc_stats= snapshot_time: 1713402934.438292881 secs.nsecs start_time: 1713402869.392928143 secs.nsecs elapsed_time: 65.045364738 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: 1 0 0 | 3 10 10 2: 0 0 0 | 1 3 13 4: 0 0 0 | 0 0 13 8: 4 0 0 | 0 0 13 16: 6402 99 100 | 0 0 13 32: 0 0 100 | 0 0 13 64: 0 0 100 | 0 0 13 128: 0 0 100 | 0 0 13 256: 0 0 100 | 0 0 13 512: 0 0 100 | 0 0 13 1024: 0 0 100 | 25 86 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6407 100 100 | 25 86 86 2: 0 0 100 | 3 10 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 5 17 17 1: 0 0 0 | 0 0 17 2: 0 0 0 | 0 0 17 4: 0 0 0 | 0 0 17 8: 0 0 0 | 0 0 17 16: 5 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 19 0 0 | 0 0 17 128: 32 0 1 | 0 0 17 256: 71 1 2 | 0 0 17 512: 134 2 4 | 0 0 17 1024: 260 4 8 | 1 3 20 2048: 563 8 17 | 2 6 27 4096: 1083 16 34 | 4 13 41 8192: 2180 34 68 | 8 27 68 16384: 2047 31 100 | 9 31 100 osc.lustre-OST0001-osc-ffff8800803d8800.rpc_stats= snapshot_time: 1713402934.438577077 secs.nsecs start_time: 1713402869.392995167 secs.nsecs elapsed_time: 65.045581910 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 | 1 33 33 2: 0 0 0 | 1 33 66 4: 0 0 0 | 0 0 66 8: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 llite.lustre-ffff8800803d8800.read_ahead_stats= snapshot_time 1713402934.443536884 secs.nsecs start_time 1713402869.395714788 secs.nsecs elapsed_time 65.047822096 secs.nsecs hits 96041 samples [pages] misses 6407 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96042 samples [pages] failed_to_fast_read 6407 samples [pages] readahead_pages 6406 samples [pages] 5 15 96041