== sanity test 101a: check read-ahead for random reads === 05:41:56 (1715334116) nreads: 10000 file size: 96MB 35.036952s, 18.7048MB/s osc.lustre-OST0000-osc-ffff8800b67b4800.rpc_stats= snapshot_time: 1715334155.389559076 secs.nsecs start_time: 1715334116.586078952 secs.nsecs elapsed_time: 38.803480124 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 66 66 2: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff8800b67b4800.rpc_stats= snapshot_time: 1715334155.389708446 secs.nsecs start_time: 1715334116.586144123 secs.nsecs elapsed_time: 38.803564323 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 6 6 2: 0 0 0 | 1 3 10 4: 2 0 0 | 0 0 10 8: 4 0 0 | 1 3 13 16: 6281 99 100 | 0 0 13 32: 0 0 100 | 0 0 13 64: 0 0 100 | 0 0 13 128: 0 0 100 | 0 0 13 256: 0 0 100 | 0 0 13 512: 0 0 100 | 0 0 13 1024: 0 0 100 | 25 86 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6287 100 100 | 27 93 93 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 | 5 17 17 1: 0 0 0 | 0 0 17 2: 0 0 0 | 0 0 17 4: 0 0 0 | 0 0 17 8: 0 0 0 | 0 0 17 16: 5 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 23 0 0 | 0 0 17 128: 36 0 1 | 0 0 17 256: 75 1 2 | 0 0 17 512: 149 2 4 | 0 0 17 1024: 282 4 9 | 1 3 20 2048: 597 9 18 | 2 6 27 4096: 1181 18 37 | 4 13 41 8192: 2166 34 71 | 8 27 68 16384: 1761 28 100 | 9 31 100 llite.lustre-ffff8800b67b4800.read_ahead_stats= snapshot_time 1715334155.392723668 secs.nsecs start_time 1715334116.589828391 secs.nsecs elapsed_time 38.802895277 secs.nsecs hits 94214 samples [pages] misses 6287 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94214 samples [pages] failed_to_fast_read 6287 samples [pages] readahead_pages 6287 samples [pages] 2 15 94214