== sanity test 101a: check read-ahead for random reads === 12:45:17 (1731347117) nreads: 10000 file size: 96MB 44.464310s, 14.739MB/s osc.lustre-OST0000-osc-ffff8800b6295800.rpc_stats= snapshot_time: 1731347174.797616101 secs.nsecs start_time: 1731347117.905810371 secs.nsecs elapsed_time: 56.891805730 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 66 66 2: 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 osc.lustre-OST0001-osc-ffff8800b6295800.rpc_stats= snapshot_time: 1731347174.797786166 secs.nsecs start_time: 1731347117.905882381 secs.nsecs elapsed_time: 56.891903785 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 0 0 2: 0 0 0 | 1 0 0 4: 5 0 0 | 0 0 0 8: 4 0 0 | 1 0 0 16: 6480 99 100 | 1482 99 99 32: 0 0 100 | 0 0 99 64: 0 0 100 | 0 0 99 128: 0 0 100 | 0 0 99 256: 0 0 100 | 0 0 99 512: 0 0 100 | 0 0 99 1024: 0 0 100 | 2 0 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6489 100 100 | 1485 99 99 2: 0 0 100 | 1 0 99 3: 0 0 100 | 1 0 99 4: 0 0 100 | 1 0 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 5 0 0 1: 0 0 0 | 0 0 0 2: 0 0 0 | 0 0 0 4: 0 0 0 | 0 0 0 8: 0 0 0 | 0 0 0 16: 5 0 0 | 0 0 0 32: 8 0 0 | 0 0 0 64: 18 0 0 | 0 0 0 128: 31 0 1 | 0 0 0 256: 70 1 2 | 0 0 0 512: 134 2 4 | 0 0 0 1024: 248 3 7 | 15 1 1 2048: 544 8 16 | 128 8 9 4096: 1061 16 32 | 256 17 27 8192: 2134 32 65 | 512 34 61 16384: 2231 34 100 | 572 38 100 llite.lustre-ffff8800b6295800.read_ahead_stats= snapshot_time 1731347174.802038723 secs.nsecs start_time 1731347117.909793864 secs.nsecs elapsed_time 56.892244859 secs.nsecs hits 97215 samples [pages] misses 6489 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97215 samples [pages] failed_to_fast_read 6489 samples [pages] readahead_pages 6489 samples [pages] 2 15 97215