== sanity test 101a: check read-ahead for random reads === 09:15:43 (1761311743) nreads: 10000 file size: 96MB 85.583138s, 7.65758MB/s osc.lustre-OST0000-osc-ffff9d0bd47f8800.rpc_stats= snapshot_time: 1761311834.160757893 secs.nsecs start_time: 1761311744.985813738 secs.nsecs elapsed_time: 89.174944155 secs.nsecs read RPCs in flight: 0 write 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 10 10 2: 0 0 0 | 0 0 10 4: 0 0 0 | 0 0 10 8: 0 0 0 | 0 0 10 16: 6633 100 100 | 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: 6622 99 99 | 22 78 78 2: 11 0 100 | 5 17 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: 19 0 0 | 0 0 14 128: 32 0 1 | 0 0 14 256: 72 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 253 3 7 | 1 3 17 2048: 566 8 16 | 2 7 25 4096: 1093 16 33 | 4 14 39 8192: 2211 33 66 | 8 28 67 16384: 2233 33 100 | 9 32 100 osc.lustre-OST0001-osc-ffff9d0bd47f8800.rpc_stats= snapshot_time: 1761311834.162675843 secs.nsecs start_time: 1761311744.985837034 secs.nsecs elapsed_time: 89.176838809 secs.nsecs read RPCs in flight: 0 write 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 50 50 2: 0 0 0 | 0 0 50 4: 0 0 0 | 0 0 50 8: 0 0 0 | 1 50 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 50 50 2: 0 0 0 | 1 50 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 2 100 100 llite.lustre-ffff9d0bd47f8800.read_ahead_stats= snapshot_time 1761311834.185967121 secs.nsecs start_time 1761311745.007301807 secs.nsecs elapsed_time 89.178665314 secs.nsecs hits 99489 samples [pages] misses 6633 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99489 samples [pages] failed_to_fast_read 6633 samples [pages]