== sanity test 101a: check read-ahead for random reads === 11:19:05 (1776179945) nreads: 10000 file size: 96MB 67.385888s, 9.72548MB/s osc.lustre-OST0000-osc-ffff9dbcd114a000.rpc_stats= snapshot_time: 1776180016.657504968 secs.nsecs start_time: 1776179947.067574038 secs.nsecs elapsed_time: 69.589930930 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 | 0 0 0 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 0 0 0 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 0 0 0 osc.lustre-OST0001-osc-ffff9dbcd114a000.rpc_stats= snapshot_time: 1776180016.657613759 secs.nsecs start_time: 1776179947.067740658 secs.nsecs elapsed_time: 69.589873101 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 | 0 0 0 2: 0 0 0 | 0 0 0 4: 4 0 0 | 0 0 0 8: 0 0 0 | 0 0 0 16: 5082 99 100 | 0 0 0 32: 0 0 100 | 0 0 0 64: 0 0 100 | 0 0 0 128: 0 0 100 | 0 0 0 256: 0 0 100 | 100 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 5081 99 99 | 38 38 38 2: 5 0 100 | 47 47 85 3: 0 0 100 | 11 11 96 4: 0 0 100 | 3 3 99 5: 0 0 100 | 1 1 100 read write offset rpcs % cum % | rpcs % cum % 0: 3 0 0 | 1 1 1 1: 0 0 0 | 0 0 1 2: 0 0 0 | 0 0 1 4: 0 0 0 | 0 0 1 8: 0 0 0 | 0 0 1 16: 4 0 0 | 0 0 1 32: 6 0 0 | 0 0 1 64: 16 0 0 | 0 0 1 128: 27 0 1 | 0 0 1 256: 53 1 2 | 1 1 2 512: 109 2 4 | 2 2 4 1024: 205 4 8 | 4 4 8 2048: 433 8 16 | 8 8 16 4096: 869 17 33 | 16 16 32 8192: 1690 33 67 | 32 32 64 16384: 1671 32 100 | 36 36 100 llite.lustre-ffff9dbcd114a000.read_ahead_stats= snapshot_time 1776180016.664826498 secs.nsecs start_time 1776179947.079458221 secs.nsecs elapsed_time 69.585368277 secs.nsecs hits 76227 samples [pages] misses 5086 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 76227 samples [pages] failed_to_fast_read 5086 samples [pages]