== sanity test 101a: check read-ahead for random reads === 07:36:55 (1764938215) nreads: 10000 file size: 96MB 104.654224s, 6.26215MB/s osc.lustre-OST0000-osc-ffff9eccc7c79800.rpc_stats= snapshot_time: 1764938326.723212012 secs.nsecs start_time: 1764938217.900839383 secs.nsecs elapsed_time: 108.822372629 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 | 1 3 3 2: 0 0 0 | 0 0 3 4: 0 0 0 | 0 0 3 8: 0 0 0 | 0 0 3 16: 6632 100 100 | 0 0 3 32: 0 0 100 | 0 0 3 64: 0 0 100 | 0 0 3 128: 0 0 100 | 0 0 3 256: 0 0 100 | 0 0 3 512: 0 0 100 | 0 0 3 1024: 0 0 100 | 25 96 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6622 99 99 | 23 88 88 2: 10 0 100 | 3 11 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 2 7 7 1: 0 0 0 | 0 0 7 2: 0 0 0 | 0 0 7 4: 0 0 0 | 0 0 7 8: 0 0 0 | 0 0 7 16: 6 0 0 | 0 0 7 32: 8 0 0 | 0 0 7 64: 19 0 0 | 0 0 7 128: 32 0 1 | 0 0 7 256: 72 1 2 | 0 0 7 512: 134 2 4 | 0 0 7 1024: 253 3 7 | 1 3 11 2048: 567 8 16 | 2 7 19 4096: 1093 16 33 | 4 15 34 8192: 2212 33 66 | 8 30 65 16384: 2231 33 100 | 9 34 100 osc.lustre-OST0001-osc-ffff9eccc7c79800.rpc_stats= snapshot_time: 1764938326.724232117 secs.nsecs start_time: 1764938217.900873494 secs.nsecs elapsed_time: 108.823358623 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 | 3 75 75 2: 0 0 0 | 0 0 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 llite.lustre-ffff9eccc7c79800.read_ahead_stats= snapshot_time 1764938326.753644456 secs.nsecs start_time 1764938217.920187094 secs.nsecs elapsed_time 108.833457362 secs.nsecs hits 99477 samples [pages] misses 6632 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 99477 samples [pages] failed_to_fast_read 6632 samples [pages]