== sanity test 101a: check read-ahead for random reads === 08:48:57 (1748868537) nreads: 10000 file size: 96MB 43.491787s, 15.0686MB/s osc.lustre-OST0000-osc-ffff8800b6399000.rpc_stats= snapshot_time: 1748868591.050207094 secs.nsecs start_time: 1748868538.076721324 secs.nsecs elapsed_time: 52.973485770 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 | 1 25 25 2: 0 0 0 | 1 25 50 3: 0 0 0 | 1 25 75 4: 0 0 0 | 1 25 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff8800b6399000.rpc_stats= snapshot_time: 1748868591.050396287 secs.nsecs start_time: 1748868538.076737507 secs.nsecs elapsed_time: 52.973658780 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: 0 0 0 | 0 0 7 4: 1 0 0 | 0 0 7 8: 4 0 0 | 1 3 10 16: 6433 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: 6440 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: 6 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 22 0 0 | 0 0 14 128: 29 0 1 | 0 0 14 256: 71 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 269 4 8 | 1 3 17 2048: 560 8 17 | 2 7 25 4096: 1101 17 34 | 4 14 39 8192: 2179 33 68 | 8 28 67 16384: 2055 31 100 | 9 32 100 llite.lustre-ffff8800b6399000.read_ahead_stats= snapshot_time 1748868591.054444418 secs.nsecs start_time 1748868538.080593136 secs.nsecs elapsed_time 52.973851282 secs.nsecs hits 96504 samples [pages] misses 6440 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 96506 samples [pages] failed_to_fast_read 6440 samples [pages] readahead_pages 6438 samples [pages] 3 15 96504