== sanity test 248c: verify whole file read behavior ===== 23:30:47 (1763353847)
llite.lustre-ffff9a8c908ba000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff9a8c908ba000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.2876 seconds
llite.lustre-ffff9a8c908ba000.read_ahead_stats=
snapshot_time             1763353852.474724910 secs.nsecs
start_time                1763353847.901076108 secs.nsecs
elapsed_time              4.573648802 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-ffff9a8c908ba000.read_ahead_stats=clear
llite.lustre-ffff9a8c908ba000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.28514 seconds
llite.lustre-ffff9a8c908ba000.read_ahead_stats=
snapshot_time             1763353857.492012686 secs.nsecs
start_time                1763353852.482681012 secs.nsecs
elapsed_time              5.009331674 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-ffff9a8c908ba000.max_read_ahead_whole_mb=4