== sanity test 101a: check read-ahead for random reads === 07:18:00 (1740485880) nreads: 10000 file size: 96MB 37.623152s, 17.4191MB/s osc.lustre-OST0000-osc-ffff88007994e800.rpc_stats= snapshot_time: 1740485930.178532789 secs.nsecs start_time: 1740485880.865143519 secs.nsecs elapsed_time: 49.313389270 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 50 50 2: 0 0 0 | 2 50 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 25 25 2: 0 0 0 | 1 25 50 3: 0 0 0 | 2 50 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 4 100 100 osc.lustre-OST0001-osc-ffff88007994e800.rpc_stats= snapshot_time: 1740485930.178678277 secs.nsecs start_time: 1740485880.865222044 secs.nsecs elapsed_time: 49.313456233 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 | 2 7 7 2: 2 0 0 | 0 0 7 4: 2 0 0 | 0 0 7 8: 2 0 0 | 1 3 10 16: 6319 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: 6326 100 100 | 26 92 92 2: 0 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: 20 0 0 | 0 0 14 128: 32 0 1 | 0 0 14 256: 72 1 2 | 0 0 14 512: 135 2 4 | 0 0 14 1024: 273 4 8 | 1 3 17 2048: 573 9 17 | 2 7 25 4096: 1127 17 35 | 4 14 39 8192: 2195 34 70 | 8 28 67 16384: 1880 29 100 | 9 32 100 llite.lustre-ffff88007994e800.read_ahead_stats= snapshot_time 1740485930.182437450 secs.nsecs start_time 1740485880.869115055 secs.nsecs elapsed_time 49.313322395 secs.nsecs hits 94771 samples [pages] misses 6326 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94771 samples [pages] failed_to_fast_read 6326 samples [pages] readahead_pages 6325 samples [pages] 1 15 94771