== sanity test 101a: check read-ahead for random reads === 14:56:42 (1776193002) nreads: 10000 file size: 96MB 112.788372s, 5.81053MB/s osc.lustre-OST0000-osc-ffff95f306364800.rpc_stats= snapshot_time: 1776193123.139044411 secs.nsecs start_time: 1776193005.475551325 secs.nsecs elapsed_time: 117.663493086 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-ffff95f306364800.rpc_stats= snapshot_time: 1776193123.140072121 secs.nsecs start_time: 1776193005.475583370 secs.nsecs elapsed_time: 117.664488751 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: 0 0 0 | 0 0 0 8: 0 0 0 | 0 0 0 16: 6625 100 100 | 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 | 0 0 0 512: 0 0 100 | 0 0 0 1024: 0 0 100 | 25 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6617 99 99 | 24 96 96 2: 8 0 100 | 1 4 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 1 4 4 1: 0 0 0 | 0 0 4 2: 0 0 0 | 0 0 4 4: 0 0 0 | 0 0 4 8: 0 0 0 | 0 0 4 16: 6 0 0 | 0 0 4 32: 8 0 0 | 0 0 4 64: 19 0 0 | 0 0 4 128: 32 0 1 | 0 0 4 256: 72 1 2 | 0 0 4 512: 135 2 4 | 0 0 4 1024: 251 3 7 | 1 4 8 2048: 562 8 16 | 2 8 16 4096: 1088 16 32 | 4 16 32 8192: 2203 33 66 | 8 32 64 16384: 2244 33 100 | 9 36 100 llite.lustre-ffff95f306364800.read_ahead_stats= snapshot_time 1776193123.163672876 secs.nsecs start_time 1776193005.505338740 secs.nsecs elapsed_time 117.658334136 secs.nsecs hits 99368 samples [pages] misses 6625 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99368 samples [pages] failed_to_fast_read 6625 samples [pages]