== sanity test 101a: check read-ahead for random reads === 15:24:29 (1746127469) nreads: 10000 file size: 96MB 113.839978s, 5.75685MB/s osc.lustre-OST0000-osc-ffff8800b58ad000.rpc_stats= snapshot_time: 1746127590.987704322 secs.nsecs start_time: 1746127470.161189059 secs.nsecs elapsed_time: 120.826515263 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: 1 0 0 | 3 10 10 2: 0 0 0 | 1 3 13 4: 1 0 0 | 0 0 13 8: 5 0 0 | 0 0 13 16: 6513 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: 6518 99 99 | 27 93 93 2: 2 0 100 | 2 6 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 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: 6 0 0 | 0 0 17 32: 7 0 0 | 0 0 17 64: 23 0 0 | 0 0 17 128: 33 0 1 | 0 0 17 256: 71 1 2 | 0 0 17 512: 136 2 4 | 0 0 17 1024: 271 4 8 | 1 3 20 2048: 562 8 17 | 2 6 27 4096: 1105 16 34 | 4 13 41 8192: 2149 32 66 | 8 27 68 16384: 2152 33 100 | 9 31 100 osc.lustre-OST0001-osc-ffff8800b58ad000.rpc_stats= snapshot_time: 1746127590.987822142 secs.nsecs start_time: 1746127470.161206159 secs.nsecs elapsed_time: 120.826615983 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 | 1 33 33 2: 0 0 0 | 1 33 66 4: 0 0 0 | 0 0 66 8: 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 llite.lustre-ffff8800b58ad000.read_ahead_stats= snapshot_time 1746127590.994911409 secs.nsecs start_time 1746127470.165959071 secs.nsecs elapsed_time 120.828952338 secs.nsecs hits 97695 samples [pages] misses 6520 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97696 samples [pages] failed_to_fast_read 6520 samples [pages] readahead_pages 6519 samples [pages] 3 15 97695