== sanity test 101a: check read-ahead for random reads === 21:54:23 (1767840863) nreads: 10000 file size: 96MB 11.052761s, 59.2938MB/s osc.lustre-OST0000-osc-ffff9ca710d95000.rpc_stats= snapshot_time: 1767840875.707689575 secs.nsecs start_time: 1767840863.774212742 secs.nsecs elapsed_time: 11.933476833 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 193 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 0 0 0 2: 0 0 0 | 0 0 0 4: 0 0 0 | 0 0 0 8: 0 0 0 | 0 0 0 16: 5069 100 100 | 0 0 0 32: 0 0 100 | 0 0 0 64: 0 0 100 | 0 0 0 128: 0 0 100 | 0 0 0 256: 0 0 100 | 99 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 5069 100 100 | 92 92 92 2: 0 0 100 | 6 6 98 3: 0 0 100 | 1 1 100 read write offset rpcs % cum % | rpcs % cum % 0: 3 0 0 | 1 1 1 1: 0 0 0 | 0 0 1 2: 0 0 0 | 0 0 1 4: 0 0 0 | 0 0 1 8: 0 0 0 | 0 0 1 16: 4 0 0 | 0 0 1 32: 6 0 0 | 0 0 1 64: 16 0 0 | 0 0 1 128: 27 0 1 | 0 0 1 256: 53 1 2 | 1 1 2 512: 109 2 4 | 2 2 4 1024: 207 4 8 | 4 4 8 2048: 432 8 16 | 8 8 16 4096: 860 16 33 | 16 16 32 8192: 1695 33 67 | 32 32 64 16384: 1657 32 100 | 35 35 100 osc.lustre-OST0001-osc-ffff9ca710d95000.rpc_stats= snapshot_time: 1767840875.707815720 secs.nsecs start_time: 1767840863.774248542 secs.nsecs elapsed_time: 11.933567178 secs.nsecs read RPCs in flight: 0 write RPCs in flight: 0 pending write pages: 8 pending read pages: 0 read write pages per rpc rpcs % cum % | rpcs % cum % 1: 0 0 0 | 0 0 0 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 0 0 0 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 0 0 0 llite.lustre-ffff9ca710d95000.read_ahead_stats= snapshot_time 1767840875.712651437 secs.nsecs start_time 1767840863.779918397 secs.nsecs elapsed_time 11.932733040 secs.nsecs hits 76033 samples [pages] misses 5069 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 76033 samples [pages] failed_to_fast_read 5069 samples [pages]