== sanity test 101a: check read-ahead for random reads === 18:01:41 (1746136901) nreads: 10000 file size: 96MB 63.082661s, 10.3889MB/s osc.lustre-OST0000-osc-ffff88012d4c4000.rpc_stats= snapshot_time: 1746136974.058519643 secs.nsecs start_time: 1746136902.505006712 secs.nsecs elapsed_time: 71.553512931 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 66 66 2: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff88012d4c4000.rpc_stats= snapshot_time: 1746136974.058636050 secs.nsecs start_time: 1746136902.505024762 secs.nsecs elapsed_time: 71.553611288 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 6 6 2: 0 0 0 | 1 3 10 4: 1 0 0 | 0 0 10 8: 4 0 0 | 1 3 13 16: 6472 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: 6476 99 99 | 26 89 89 2: 1 0 100 | 1 3 93 3: 0 0 100 | 1 3 96 4: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 6 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: 5 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 19 0 0 | 0 0 17 128: 32 0 1 | 0 0 17 256: 71 1 2 | 0 0 17 512: 133 2 4 | 0 0 17 1024: 252 3 8 | 1 3 20 2048: 560 8 16 | 2 6 27 4096: 1085 16 33 | 4 13 41 8192: 2166 33 66 | 8 27 68 16384: 2140 33 100 | 9 31 100 llite.lustre-ffff88012d4c4000.read_ahead_stats= snapshot_time 1746136974.065674364 secs.nsecs start_time 1746136902.509372427 secs.nsecs elapsed_time 71.556301937 secs.nsecs hits 97071 samples [pages] misses 6477 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97071 samples [pages] failed_to_fast_read 6477 samples [pages] readahead_pages 6477 samples [pages] 2 15 97071