== sanity test 101a: check read-ahead for random reads === 09:44:07 (1761313447) nreads: 10000 file size: 96MB 59.681991s, 10.9809MB/s osc.lustre-OST0000-osc-ffff8c66431b3000.rpc_stats= snapshot_time: 1761313510.595970155 secs.nsecs start_time: 1761313448.406036072 secs.nsecs elapsed_time: 62.189934083 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 | 2 100 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 2 100 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 2 100 100 osc.lustre-OST0001-osc-ffff8c66431b3000.rpc_stats= snapshot_time: 1761313510.596096934 secs.nsecs start_time: 1761313448.406064080 secs.nsecs elapsed_time: 62.190032854 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 7 7 2: 0 0 0 | 0 0 7 4: 1 0 0 | 0 0 7 8: 0 0 0 | 1 3 10 16: 6606 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: 6601 99 99 | 25 89 89 2: 6 0 100 | 2 7 96 3: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 6 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: 5 0 0 | 0 0 14 32: 8 0 0 | 0 0 14 64: 19 0 0 | 0 0 14 128: 32 0 1 | 0 0 14 256: 71 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 256 3 8 | 1 3 17 2048: 574 8 16 | 2 7 25 4096: 1098 16 33 | 4 14 39 8192: 2219 33 66 | 8 28 67 16384: 2184 33 100 | 9 32 100 llite.lustre-ffff8c66431b3000.read_ahead_stats= snapshot_time 1761313510.608052467 secs.nsecs start_time 1761313448.418845223 secs.nsecs elapsed_time 62.189207244 secs.nsecs hits 99081 samples [pages] misses 6607 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99081 samples [pages] failed_to_fast_read 6607 samples [pages]