== sanity test 101a: check read-ahead for random reads === 11:09:11 (1713280151) nreads: 10000 file size: 96MB 51.787899s, 12.6547MB/s osc.lustre-OST0000-osc-ffff88007d1f3000.rpc_stats= snapshot_time: 1713280210.589389946 secs.nsecs start_time: 1713280152.023567601 secs.nsecs elapsed_time: 58.565822345 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 66 66 2: 0 0 0 | 1 33 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 0 0 0 | 1 33 33 2: 0 0 0 | 1 33 66 3: 0 0 0 | 1 33 100 read write offset rpcs % cum % | rpcs % cum % 0: 0 0 0 | 3 100 100 osc.lustre-OST0001-osc-ffff88007d1f3000.rpc_stats= snapshot_time: 1713280210.589497616 secs.nsecs start_time: 1713280152.023661547 secs.nsecs elapsed_time: 58.565836069 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 6 6 2: 0 0 0 | 1 3 10 4: 4 0 0 | 0 0 10 8: 6 0 0 | 1 3 13 16: 6314 99 100 | 0 0 13 32: 0 0 100 | 0 0 13 64: 0 0 100 | 0 0 13 128: 0 0 100 | 0 0 13 256: 0 0 100 | 0 0 13 512: 0 0 100 | 0 0 13 1024: 0 0 100 | 25 86 100 read write rpcs in flight rpcs % cum % | rpcs % cum % 1: 6324 100 100 | 26 89 89 2: 0 0 100 | 1 3 93 3: 0 0 100 | 1 3 96 4: 0 0 100 | 1 3 100 read write offset rpcs % cum % | rpcs % cum % 0: 5 0 0 | 5 17 17 1: 0 0 0 | 0 0 17 2: 0 0 0 | 0 0 17 4: 0 0 0 | 0 0 17 8: 0 0 0 | 0 0 17 16: 6 0 0 | 0 0 17 32: 8 0 0 | 0 0 17 64: 20 0 0 | 0 0 17 128: 32 0 1 | 0 0 17 256: 72 1 2 | 0 0 17 512: 136 2 4 | 0 0 17 1024: 272 4 8 | 1 3 20 2048: 571 9 17 | 2 6 27 4096: 1126 17 35 | 4 13 41 8192: 2196 34 70 | 8 27 68 16384: 1880 29 100 | 9 31 100 llite.lustre-ffff88007d1f3000.read_ahead_stats= snapshot_time 1713280210.592202337 secs.nsecs start_time 1713280152.030827424 secs.nsecs elapsed_time 58.561374913 secs.nsecs hits 94733 samples [pages] misses 6324 samples [pages] readpage_not_consecutive 9991 samples [pages] zero_size_window 94733 samples [pages] failed_to_fast_read 6324 samples [pages] readahead_pages 6324 samples [pages] 2 15 94733