== sanity test 101a: check read-ahead for random reads === 12:26:26 (1744129586) nreads: 10000 file size: 96MB 34.677601s, 18.8987MB/s osc.lustre-OST0000-osc-ffff8800a7011800.rpc_stats= snapshot_time: 1744129632.158378972 secs.nsecs start_time: 1744129586.911039834 secs.nsecs elapsed_time: 45.247339138 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO 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 | 1 3 7 4: 3 0 0 | 0 0 7 8: 9 0 0 | 1 3 10 16: 6336 99 100 | 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: 6348 100 100 | 26 92 92 2: 0 0 100 | 1 3 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 4 0 0 | 4 14 14 1: 0 0 0 | 0 0 14 2: 0 0 0 | 0 0 14 4: 1 0 0 | 0 0 14 8: 0 0 0 | 0 0 14 16: 5 0 0 | 0 0 14 32: 7 0 0 | 0 0 14 64: 22 0 0 | 0 0 14 128: 35 0 1 | 0 0 14 256: 74 1 2 | 0 0 14 512: 143 2 4 | 0 0 14 1024: 272 4 8 | 1 3 17 2048: 585 9 18 | 2 7 25 4096: 1153 18 36 | 4 14 39 8192: 2214 34 71 | 8 28 67 16384: 1833 28 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8800a7011800.rpc_stats= snapshot_time: 1744129632.158481142 secs.nsecs start_time: 1744129586.911052116 secs.nsecs elapsed_time: 45.247429026 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 DIO 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 75 75 2: 0 0 0 | 1 25 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 50 50 2: 0 0 0 | 1 25 75 3: 0 0 0 | 1 25 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 llite.lustre-ffff8800a7011800.read_ahead_stats= snapshot_time 1744129632.161310470 secs.nsecs start_time 1744129586.914564743 secs.nsecs elapsed_time 45.246745727 secs.nsecs hits 95059 samples [pages] misses 6348 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95059 samples [pages] failed_to_fast_read 6348 samples [pages] readahead_pages 6348 samples [pages] 2 15 95059