== sanity test 101a: check read-ahead for random reads === 15:06:51 (1730574411) nreads: 10000 file size: 96MB 65.423994s, 10.0171MB/s osc.lustre-OST0000-osc-ffff8800b614b000.rpc_stats= snapshot_time: 1730574481.235093555 secs.nsecs start_time: 1730574411.555988394 secs.nsecs elapsed_time: 69.679105161 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 | 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-ffff8800b614b000.rpc_stats= snapshot_time: 1730574481.235236465 secs.nsecs start_time: 1730574411.556060952 secs.nsecs elapsed_time: 69.679175513 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: 4 0 0 | 0 0 2 8: 6 0 0 | 0 0 2 16: 5053 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: 5060 99 99 | 100 97 97 2: 4 0 100 | 3 2 100 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: 4 0 0 | 0 0 3 32: 6 0 0 | 0 0 3 64: 16 0 0 | 0 0 3 128: 27 0 1 | 0 0 3 256: 53 1 2 | 1 0 4 512: 109 2 4 | 2 1 6 1024: 206 4 8 | 4 3 10 2048: 430 8 16 | 8 7 18 4096: 858 16 33 | 16 15 33 8192: 1685 33 67 | 32 31 65 16384: 1667 32 100 | 36 34 100 llite.lustre-ffff8800b614b000.read_ahead_stats= snapshot_time 1730574481.238879591 secs.nsecs start_time 1730574411.566714580 secs.nsecs elapsed_time 69.672165011 secs.nsecs hits 75816 samples [pages] misses 5064 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 75816 samples [pages] failed_to_fast_read 5064 samples [pages] readahead_pages 5064 samples [pages] 1 15 75816