== sanity test 101a: check read-ahead for random reads === 17:00:43 (1776200443) nreads: 10000 file size: 96MB 94.209608s, 6.9564MB/s osc.lustre-OST0000-osc-ffff993647147800.rpc_stats= snapshot_time: 1776200543.332045778 secs.nsecs start_time: 1776200445.088515617 secs.nsecs elapsed_time: 98.243530161 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 | 1 3 7 16: 6610 100 100 | 0 0 7 32: 0 0 100 | 0 0 7 64: 0 0 100 | 0 0 7 128: 0 0 100 | 0 0 7 256: 0 0 100 | 0 0 7 512: 0 0 100 | 0 0 7 1024: 0 0 100 | 25 92 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6604 99 99 | 26 96 96 2: 6 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 3 11 11 1: 0 0 0 | 0 0 11 2: 0 0 0 | 0 0 11 4: 0 0 0 | 0 0 11 8: 0 0 0 | 0 0 11 16: 5 0 0 | 0 0 11 32: 8 0 0 | 0 0 11 64: 19 0 0 | 0 0 11 128: 32 0 1 | 0 0 11 256: 70 1 2 | 0 0 11 512: 136 2 4 | 0 0 11 1024: 254 3 8 | 1 3 14 2048: 567 8 16 | 2 7 22 4096: 1090 16 33 | 4 14 37 8192: 2214 33 66 | 8 29 66 16384: 2210 33 100 | 9 33 100 osc.lustre-OST0001-osc-ffff993647147800.rpc_stats= snapshot_time: 1776200543.332371998 secs.nsecs start_time: 1776200445.088545105 secs.nsecs elapsed_time: 98.243826893 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 | 3 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 66 66 2: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 llite.lustre-ffff993647147800.read_ahead_stats= snapshot_time 1776200543.366244479 secs.nsecs start_time 1776200445.112278538 secs.nsecs elapsed_time 98.253965941 secs.nsecs hits 99142 samples [pages] misses 6610 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99142 samples [pages] failed_to_fast_read 6610 samples [pages]