== sanity test 101a: check read-ahead for random reads === 15:28:09 (1746127689) nreads: 10000 file size: 96MB 114.642656s, 5.71655MB/s osc.lustre-OST0000-osc-ffff88012c502800.rpc_stats= snapshot_time: 1746127816.272819321 secs.nsecs start_time: 1746127690.027681259 secs.nsecs elapsed_time: 126.245138062 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 | 2 50 100 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 osc.lustre-OST0001-osc-ffff88012c502800.rpc_stats= snapshot_time: 1746127816.274008374 secs.nsecs start_time: 1746127690.027700315 secs.nsecs elapsed_time: 126.246308059 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 7 7 2: 0 0 0 | 0 0 7 4: 0 0 0 | 0 0 7 8: 7 0 0 | 1 3 10 16: 6485 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: 6486 99 99 | 26 92 92 2: 6 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: 5 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 20 0 0 | 0 0 14 128: 30 0 1 | 0 0 14 256: 70 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 261 4 8 | 1 3 17 2048: 558 8 16 | 2 7 25 4096: 1085 16 33 | 4 14 39 8192: 2160 33 66 | 8 28 67 16384: 2155 33 100 | 9 32 100 llite.lustre-ffff88012c502800.read_ahead_stats= snapshot_time 1746127816.282675748 secs.nsecs start_time 1746127690.044144395 secs.nsecs elapsed_time 126.238531353 secs.nsecs hits 97288 samples [pages] misses 6492 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97288 samples [pages] failed_to_fast_read 6492 samples [pages] readahead_pages 6492 samples [pages] 6 15 97288