== sanity test 101a: check read-ahead for random reads === 19:44:48 (1746143088) nreads: 10000 file size: 96MB 88.677923s, 7.39034MB/s osc.lustre-OST0000-osc-ffff8800b6c76000.rpc_stats= snapshot_time: 1746143185.946883480 secs.nsecs start_time: 1746143089.458108151 secs.nsecs elapsed_time: 96.488775329 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 | 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 | 2 50 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff8800b6c76000.rpc_stats= snapshot_time: 1746143185.947003521 secs.nsecs start_time: 1746143089.458124087 secs.nsecs elapsed_time: 96.488879434 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 | 2 1 1 2: 0 0 0 | 1 0 2 4: 0 0 0 | 0 0 2 8: 7 0 0 | 0 0 2 16: 5059 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: 5062 99 99 | 100 97 97 2: 4 0 100 | 2 1 99 3: 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: 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: 431 8 16 | 8 7 18 4096: 857 16 33 | 16 15 33 8192: 1682 33 66 | 32 31 65 16384: 1672 33 100 | 36 34 100 llite.lustre-ffff8800b6c76000.read_ahead_stats= snapshot_time 1746143185.956117915 secs.nsecs start_time 1746143089.470084917 secs.nsecs elapsed_time 96.486032998 secs.nsecs hits 75879 samples [pages] misses 5066 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 75879 samples [pages] failed_to_fast_read 5066 samples [pages] readahead_pages 5066 samples [pages] 4 15 75879