== sanity test 101a: check read-ahead for random reads === 10:58:52 (1755097132) nreads: 10000 file size: 96MB 51.902737s, 12.6267MB/s osc.lustre-OST0000-osc-ffff89b9099f9800.rpc_stats= snapshot_time: 1755097192.390293797 secs.nsecs start_time: 1755097133.090439050 secs.nsecs elapsed_time: 59.299854747 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 | 2 100 100 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 osc.lustre-OST0001-osc-ffff89b9099f9800.rpc_stats= snapshot_time: 1755097192.390371021 secs.nsecs start_time: 1755097133.090480025 secs.nsecs elapsed_time: 59.299890996 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: 2 0 0 | 2 7 7 2: 1 0 0 | 0 0 7 4: 3 0 0 | 0 0 7 8: 6 0 0 | 1 3 10 16: 6303 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: 6315 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: 5 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 22 0 0 | 0 0 14 128: 31 0 1 | 0 0 14 256: 72 1 2 | 0 0 14 512: 133 2 4 | 0 0 14 1024: 271 4 8 | 1 3 17 2048: 563 8 17 | 2 7 25 4096: 1102 17 35 | 4 14 39 8192: 2103 33 68 | 8 28 67 16384: 2000 31 100 | 9 32 100 llite.lustre-ffff89b9099f9800.read_ahead_stats= snapshot_time 1755097192.395879631 secs.nsecs start_time 1755097133.096999637 secs.nsecs elapsed_time 59.298879994 secs.nsecs hits 94566 samples [pages] misses 6315 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94568 samples [pages] failed_to_fast_read 6315 samples [pages] readahead_pages 6313 samples [pages] 1 15 94566