== sanity test 101a: check read-ahead for random reads === 13:58:07 (1776189487) nreads: 10000 file size: 96MB 97.273295s, 6.73731MB/s osc.lustre-OST0000-osc-ffff8b0819cbb000.rpc_stats= snapshot_time: 1776189588.907545015 secs.nsecs start_time: 1776189489.468591843 secs.nsecs elapsed_time: 99.438953172 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 10 10 2: 0 0 0 | 0 0 10 4: 0 0 0 | 0 0 10 8: 0 0 0 | 0 0 10 16: 6606 100 100 | 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: 6598 99 99 | 13 46 46 2: 8 0 100 | 14 50 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 6 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: 19 0 0 | 0 0 14 128: 32 0 1 | 0 0 14 256: 69 1 2 | 0 0 14 512: 136 2 4 | 0 0 14 1024: 255 3 8 | 1 3 17 2048: 566 8 16 | 2 7 25 4096: 1091 16 33 | 4 14 39 8192: 2209 33 66 | 8 28 67 16384: 2210 33 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8b0819cbb000.rpc_stats= snapshot_time: 1776189588.907686032 secs.nsecs start_time: 1776189489.468623760 secs.nsecs elapsed_time: 99.439062272 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 50 50 2: 0 0 0 | 0 0 50 4: 0 0 0 | 0 0 50 8: 0 0 0 | 1 50 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 50 50 2: 0 0 0 | 1 50 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 2 100 100 llite.lustre-ffff8b0819cbb000.read_ahead_stats= snapshot_time 1776189588.919941390 secs.nsecs start_time 1776189489.481926349 secs.nsecs elapsed_time 99.438015041 secs.nsecs hits 99084 samples [pages] misses 6606 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99084 samples [pages] failed_to_fast_read 6606 samples [pages]