== sanity test 101a: check read-ahead for random reads === 06:03:01 (1744884181) nreads: 10000 file size: 96MB 38.833990s, 16.8759MB/s osc.lustre-OST0000-osc-ffff8800b5c55800.rpc_stats= snapshot_time: 1744884227.184291283 secs.nsecs start_time: 1744884181.571322929 secs.nsecs elapsed_time: 45.612968354 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 | 2 7 7 2: 2 0 0 | 1 3 10 4: 2 0 0 | 0 0 10 8: 6 0 0 | 0 0 10 16: 6339 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: 6350 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: 5 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: 6 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 21 0 0 | 0 0 14 128: 35 0 1 | 0 0 14 256: 75 1 2 | 0 0 14 512: 141 2 4 | 0 0 14 1024: 269 4 8 | 1 3 17 2048: 607 9 18 | 2 7 25 4096: 1158 18 36 | 4 14 39 8192: 2257 35 72 | 8 28 67 16384: 1768 27 100 | 9 32 100 osc.lustre-OST0001-osc-ffff8800b5c55800.rpc_stats= snapshot_time: 1744884227.184396980 secs.nsecs start_time: 1744884181.571334009 secs.nsecs elapsed_time: 45.613062971 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 | 2 50 50 2: 0 0 0 | 1 25 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-ffff8800b5c55800.read_ahead_stats= snapshot_time 1744884227.187334705 secs.nsecs start_time 1744884181.574021969 secs.nsecs elapsed_time 45.613312736 secs.nsecs hits 95095 samples [pages] misses 6350 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 95096 samples [pages] failed_to_fast_read 6350 samples [pages] readahead_pages 6349 samples [pages] 1 15 95095