== sanity test 101a: check read-ahead for random reads === 04:54:36 (1731750876) nreads: 10000 file size: 96MB 35.780239s, 18.3163MB/s osc.lustre-OST0000-osc-ffff8801308da000.rpc_stats= snapshot_time: 1731750923.780266064 secs.nsecs start_time: 1731750876.648703984 secs.nsecs elapsed_time: 47.131562080 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 | 2 50 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 25 25 2: 0 0 0 | 1 25 50 3: 0 0 0 | 2 50 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff8801308da000.rpc_stats= snapshot_time: 1731750923.780377937 secs.nsecs start_time: 1731750876.648753848 secs.nsecs elapsed_time: 47.131624089 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 7 7 2: 1 0 0 | 0 0 7 4: 1 0 0 | 0 0 7 8: 4 0 0 | 1 3 10 16: 6387 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: 6393 100 100 | 26 92 92 2: 0 0 100 | 1 3 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 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: 8 0 0 | 0 0 14 64: 20 0 0 | 0 0 14 128: 31 0 1 | 0 0 14 256: 72 1 2 | 0 0 14 512: 136 2 4 | 0 0 14 1024: 266 4 8 | 1 3 17 2048: 573 8 17 | 2 7 25 4096: 1118 17 34 | 4 14 39 8192: 2236 34 69 | 8 28 67 16384: 1923 30 100 | 9 32 100 llite.lustre-ffff8801308da000.read_ahead_stats= snapshot_time 1731750923.783262839 secs.nsecs start_time 1731750876.652501694 secs.nsecs elapsed_time 47.130761145 secs.nsecs hits 95814 samples [pages] misses 6393 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95814 samples [pages] failed_to_fast_read 6393 samples [pages] readahead_pages 6393 samples [pages] 1 15 95814