== sanity test 101a: check read-ahead for random reads === 08:50:27 (1724763027) nreads: 10000 file size: 96MB 75.803083s, 8.64556MB/s osc.lustre-OST0000-osc-ffff8800aa217800.rpc_stats= snapshot_time: 1724763115.373266274 secs.nsecs start_time: 1724763027.907320211 secs.nsecs elapsed_time: 87.465946063 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 | 2 50 50 2: 0 0 0 | 1 25 75 4: 0 0 0 | 0 0 75 8: 0 0 0 | 1 25 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 50 50 2: 0 0 0 | 1 25 75 3: 0 0 0 | 1 25 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff8800aa217800.rpc_stats= snapshot_time: 1724763115.373403125 secs.nsecs start_time: 1724763027.907380354 secs.nsecs elapsed_time: 87.466022771 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: 1 0 0 | 2 7 7 2: 0 0 0 | 1 3 10 4: 0 0 0 | 0 0 10 8: 8 0 0 | 0 0 10 16: 6498 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: 6501 99 99 | 26 92 92 2: 6 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: 34 0 1 | 0 0 14 256: 72 1 2 | 0 0 14 512: 133 2 4 | 0 0 14 1024: 263 4 8 | 1 3 17 2048: 560 8 16 | 2 7 25 4096: 1103 16 33 | 4 14 39 8192: 2202 33 67 | 8 28 67 16384: 2099 32 100 | 9 32 100 llite.lustre-ffff8800aa217800.read_ahead_stats= snapshot_time 1724763115.380449372 secs.nsecs start_time 1724763027.911786231 secs.nsecs elapsed_time 87.468663141 secs.nsecs hits 97487 samples [pages] misses 6507 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 97488 samples [pages] failed_to_fast_read 6507 samples [pages] readahead_pages 6506 samples [pages] 5 15 97487