== sanity test 101a: check read-ahead for random reads === 04:46:35 (1743497195) nreads: 10000 file size: 96MB 180.804412s, 2.71997MB/s osc.lustre-OST0000-osc-ffff8f52c9e7c000.rpc_stats= snapshot_time: 1743497408.218569396 secs.nsecs start_time: 1743497199.460198038 secs.nsecs elapsed_time: 208.758371358 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 | 0 0 0 2: 3 0 0 | 0 0 0 4: 1 0 0 | 0 0 0 8: 2 0 0 | 0 0 0 16: 4872 99 100 | 0 0 0 32: 0 0 100 | 0 0 0 64: 0 0 100 | 0 0 0 128: 0 0 100 | 0 0 0 256: 0 0 100 | 0 0 0 512: 0 0 100 | 0 0 0 1024: 0 0 100 | 25 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 4870 99 99 | 25 100 100 2: 8 0 100 | 0 0 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 1 4 4 1: 0 0 0 | 0 0 4 2: 0 0 0 | 0 0 4 4: 0 0 0 | 0 0 4 8: 0 0 0 | 0 0 4 16: 4 0 0 | 0 0 4 32: 7 0 0 | 0 0 4 64: 13 0 0 | 0 0 4 128: 21 0 1 | 0 0 4 256: 51 1 2 | 0 0 4 512: 104 2 4 | 0 0 4 1024: 182 3 7 | 1 4 8 2048: 421 8 16 | 2 8 16 4096: 805 16 33 | 4 16 32 8192: 1591 32 65 | 8 32 64 16384: 1674 34 100 | 9 36 100 osc.lustre-OST0001-osc-ffff8f52c9e7c000.rpc_stats= snapshot_time: 1743497408.218871752 secs.nsecs start_time: 1743497199.460424758 secs.nsecs elapsed_time: 208.758446994 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 | 0 0 0 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 0 0 0 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 0 0 0 llite.lustre-ffff8f52c9e7c000.read_ahead_stats= snapshot_time 1743497408.264021515 secs.nsecs start_time 1743497199.543778929 secs.nsecs elapsed_time 208.720242586 secs.nsecs hits 73067 samples [pages] misses 4878 samples [pages] readpage_not_consecutive 7500 samples [pages] zero_size_window 73067 samples [pages] failed_to_fast_read 4878 samples [pages] readahead_pages 4878 samples [pages] 1 15 73067