== sanity test 101a: check read-ahead for random reads === 05:49:13 (1726825753) nreads: 10000 file size: 96MB 75.337369s, 8.699MB/s osc.lustre-OST0000-osc-ffff8800b5c84800.rpc_stats= snapshot_time: 1726825838.941317108 secs.nsecs start_time: 1726825754.061947533 secs.nsecs elapsed_time: 84.879369575 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: 0 0 0 | 1 3 10 4: 2 0 0 | 0 0 10 8: 6 0 0 | 0 0 10 16: 6525 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: 6530 99 99 | 24 85 85 2: 3 0 100 | 3 10 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: 7 0 0 | 0 0 14 64: 22 0 0 | 0 0 14 128: 34 0 1 | 0 0 14 256: 71 1 2 | 0 0 14 512: 136 2 4 | 0 0 14 1024: 269 4 8 | 1 3 17 2048: 563 8 17 | 2 7 25 4096: 1104 16 33 | 4 14 39 8192: 2226 34 67 | 8 28 67 16384: 2091 32 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8800b5c84800.rpc_stats= snapshot_time: 1726825838.942033446 secs.nsecs start_time: 1726825754.062010037 secs.nsecs elapsed_time: 84.880023409 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 | 1 25 50 3: 0 0 0 | 1 25 75 4: 0 0 0 | 1 25 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 llite.lustre-ffff8800b5c84800.read_ahead_stats= snapshot_time 1726825838.947402548 secs.nsecs start_time 1726825754.070227914 secs.nsecs elapsed_time 84.877174634 secs.nsecs hits 97878 samples [pages] misses 6533 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97878 samples [pages] failed_to_fast_read 6533 samples [pages] readahead_pages 6533 samples [pages] 3 15 97878