== sanity test 101a: check read-ahead for random reads === 11:47:08 (1776268028) nreads: 10000 file size: 96MB 72.766304s, 9.00637MB/s osc.lustre-OST0000-osc-ffff922684919800.rpc_stats= snapshot_time: 1776268106.185042769 secs.nsecs start_time: 1776268029.648013439 secs.nsecs elapsed_time: 76.537029330 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 | 1 3 3 2: 0 0 0 | 0 0 3 4: 0 0 0 | 0 0 3 8: 0 0 0 | 0 0 3 16: 6613 100 100 | 0 0 3 32: 0 0 100 | 0 0 3 64: 0 0 100 | 0 0 3 128: 0 0 100 | 0 0 3 256: 0 0 100 | 0 0 3 512: 0 0 100 | 0 0 3 1024: 0 0 100 | 25 96 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6611 99 99 | 26 100 100 2: 2 0 100 | 0 0 100 read write offset rpcs % cum % | rpcs % cum % 0: 6 0 0 | 2 7 7 1: 0 0 0 | 0 0 7 2: 0 0 0 | 0 0 7 4: 0 0 0 | 0 0 7 8: 0 0 0 | 0 0 7 16: 5 0 0 | 0 0 7 32: 8 0 0 | 0 0 7 64: 19 0 0 | 0 0 7 128: 32 0 1 | 0 0 7 256: 70 1 2 | 0 0 7 512: 136 2 4 | 0 0 7 1024: 255 3 8 | 1 3 11 2048: 569 8 16 | 2 7 19 4096: 1094 16 33 | 4 15 34 8192: 2219 33 66 | 8 30 65 16384: 2200 33 100 | 9 34 100 osc.lustre-OST0001-osc-ffff922684919800.rpc_stats= snapshot_time: 1776268106.185187424 secs.nsecs start_time: 1776268029.648042888 secs.nsecs elapsed_time: 76.537144536 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 | 3 75 75 2: 0 0 0 | 0 0 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 llite.lustre-ffff922684919800.read_ahead_stats= snapshot_time 1776268106.228490278 secs.nsecs start_time 1776268029.662616198 secs.nsecs elapsed_time 76.565874080 secs.nsecs hits 99192 samples [pages] misses 6613 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99192 samples [pages] failed_to_fast_read 6613 samples [pages]