== sanity test 101a: check read-ahead for random reads === 15:22:03 (1746127323) nreads: 10000 file size: 96MB 81.271731s, 8.06381MB/s osc.lustre-OST0000-osc-ffff880083f79800.rpc_stats= snapshot_time: 1746127412.127975896 secs.nsecs start_time: 1746127323.857492519 secs.nsecs elapsed_time: 88.270483377 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 66 66 2: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 66 66 2: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff880083f79800.rpc_stats= snapshot_time: 1746127412.128091474 secs.nsecs start_time: 1746127323.857527011 secs.nsecs elapsed_time: 88.270564463 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 6 6 2: 0 0 0 | 1 3 10 4: 2 0 0 | 0 0 10 8: 6 0 0 | 1 3 13 16: 6450 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: 6454 99 99 | 26 89 89 2: 4 0 100 | 1 3 93 3: 0 0 100 | 1 3 96 4: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 3 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: 7 0 0 | 0 0 17 64: 22 0 0 | 0 0 17 128: 33 0 1 | 0 0 17 256: 72 1 2 | 0 0 17 512: 138 2 4 | 0 0 17 1024: 269 4 8 | 1 3 20 2048: 567 8 17 | 2 6 27 4096: 1109 17 34 | 4 13 41 8192: 2173 33 68 | 8 27 68 16384: 2060 31 100 | 9 31 100 llite.lustre-ffff880083f79800.read_ahead_stats= snapshot_time 1746127412.135467063 secs.nsecs start_time 1746127323.862393697 secs.nsecs elapsed_time 88.273073366 secs.nsecs hits 96739 samples [pages] misses 6458 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96739 samples [pages] failed_to_fast_read 6458 samples [pages] readahead_pages 6458 samples [pages] 2 15 96739