== sanity test 101a: check read-ahead for random reads === 23:13:04 (1735099984) nreads: 10000 file size: 96MB 77.818964s, 8.4216MB/s osc.lustre-OST0000-osc-ffff8800a9fb4000.rpc_stats= snapshot_time: 1735100075.298997691 secs.nsecs start_time: 1735099985.031999987 secs.nsecs elapsed_time: 90.266997704 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: 1 0 0 | 2 7 10 4: 2 0 0 | 0 0 10 8: 2 0 0 | 0 0 10 16: 6524 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: 6528 99 99 | 26 92 92 2: 1 0 100 | 1 3 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 6 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: 0 0 0 | 0 0 14 16: 5 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 19 0 0 | 0 0 14 128: 32 0 1 | 0 0 14 256: 71 1 2 | 0 0 14 512: 134 2 4 | 0 0 14 1024: 253 3 8 | 1 3 17 2048: 557 8 16 | 2 7 25 4096: 1078 16 33 | 4 14 39 8192: 2173 33 66 | 8 28 67 16384: 2193 33 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8800a9fb4000.rpc_stats= snapshot_time: 1735100075.299179204 secs.nsecs start_time: 1735099985.032046734 secs.nsecs elapsed_time: 90.267132470 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 | 1 25 75 4: 0 0 0 | 1 25 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 llite.lustre-ffff8800a9fb4000.read_ahead_stats= snapshot_time 1735100075.308055906 secs.nsecs start_time 1735099985.036131359 secs.nsecs elapsed_time 90.271924547 secs.nsecs hits 97844 samples [pages] misses 6529 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97844 samples [pages] failed_to_fast_read 6529 samples [pages] readahead_pages 6529 samples [pages] 1 15 97844