== sanity test 101a: check read-ahead for random reads === 23:23:41 (1735100621) nreads: 10000 file size: 96MB 37.463400s, 17.4933MB/s osc.lustre-OST0000-osc-ffff880136b1a800.rpc_stats= snapshot_time: 1735100666.821945452 secs.nsecs start_time: 1735100621.575465641 secs.nsecs elapsed_time: 45.246479811 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: 1 0 0 | 1 3 3 2: 2 0 0 | 2 7 10 4: 2 0 0 | 0 0 10 8: 2 0 0 | 0 0 10 16: 6334 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: 6341 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: 0 0 0 | 0 0 14 8: 1 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: 580 9 18 | 2 7 25 4096: 1158 18 36 | 4 14 39 8192: 2223 35 71 | 8 28 67 16384: 1817 28 100 | 9 32 100 osc.lustre-OST0001-osc-ffff880136b1a800.rpc_stats= snapshot_time: 1735100666.822069265 secs.nsecs start_time: 1735100621.575551103 secs.nsecs elapsed_time: 45.246518162 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 | 0 0 75 4: 0 0 0 | 0 0 75 8: 0 0 0 | 1 25 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 25 25 2: 0 0 0 | 1 25 50 3: 0 0 0 | 2 50 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 llite.lustre-ffff880136b1a800.read_ahead_stats= snapshot_time 1735100666.825299837 secs.nsecs start_time 1735100621.579631134 secs.nsecs elapsed_time 45.245668703 secs.nsecs hits 95006 samples [pages] misses 6341 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95007 samples [pages] failed_to_fast_read 6341 samples [pages] readahead_pages 6340 samples [pages] 1 15 95006