== sanity test 101a: check read-ahead for random reads === 12:33:42 (1776184422) nreads: 10000 file size: 96MB 86.433563s, 7.58224MB/s osc.lustre-OST0000-osc-ffff9bbac93e6000.rpc_stats= snapshot_time: 1776184515.536451324 secs.nsecs start_time: 1776184424.276567660 secs.nsecs elapsed_time: 91.259883664 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 | 2 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 100 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 2 100 100 osc.lustre-OST0001-osc-ffff9bbac93e6000.rpc_stats= snapshot_time: 1776184515.536987983 secs.nsecs start_time: 1776184424.279972102 secs.nsecs elapsed_time: 91.257015881 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 | 0 0 7 4: 0 0 0 | 0 0 7 8: 0 0 0 | 1 3 10 16: 6621 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: 6618 99 99 | 26 92 92 2: 3 0 100 | 1 3 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: 6 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: 70 1 2 | 0 0 14 512: 134 2 4 | 0 0 14 1024: 253 3 7 | 1 3 17 2048: 564 8 16 | 2 7 25 4096: 1090 16 32 | 4 14 39 8192: 2214 33 66 | 8 28 67 16384: 2226 33 100 | 9 32 100 llite.lustre-ffff9bbac93e6000.read_ahead_stats= snapshot_time 1776184515.552439492 secs.nsecs start_time 1776184424.301791828 secs.nsecs elapsed_time 91.250647664 secs.nsecs hits 99307 samples [pages] misses 6621 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99307 samples [pages] failed_to_fast_read 6621 samples [pages]