== sanity test 248c: verify whole file read behavior ===== 02:11:50 (1789020710) llite.lustre-ffff934820908000.read_ahead_stats=c striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity llite.lustre-ffff934820908000.max_read_ahead_whole_mb=64 whole file readahead of 64 MiB took 5.16312 seconds llite.lustre-ffff934820908000.read_ahead_stats= snapshot_time 1789020720.811860367 secs.nsecs start_time 1789020714.951154109 secs.nsecs elapsed_time 5.860706258 secs.nsecs hits 16382 samples [pages] misses 2 samples [pages] zero_size_window 1 samples [pages] failed_to_fast_read 3 samples [pages] readahead_pages 1 samples [pages] 16382 16382 16382 llite.lustre-ffff934820908000.read_ahead_stats=clear llite.lustre-ffff934820908000.max_read_ahead_whole_mb=8 non-whole file readahead of 64 MiB took 4.90341 seconds llite.lustre-ffff934820908000.read_ahead_stats= snapshot_time 1789020726.973178161 secs.nsecs start_time 1789020720.845857571 secs.nsecs elapsed_time 6.127320590 secs.nsecs hits 16382 samples [pages] misses 2 samples [pages] zero_size_window 1 samples [pages] failed_to_fast_read 3 samples [pages] readahead_pages 1 samples [pages] 16382 16382 16382 Test passed on attempt 0 llite.lustre-ffff934820908000.max_read_ahead_whole_mb=4