== sanity test 248c: verify whole file read behavior ===== 22:45:55 (1775875555)
llite.lustre-ffff906ed0572000.read_ahead_stats=c
striped dir -i0 -c2 -H crush2  /mnt/lustre/d248c.sanity
llite.lustre-ffff906ed0572000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.03427 seconds
llite.lustre-ffff906ed0572000.read_ahead_stats=
snapshot_time             1775875559.702167992 secs.nsecs
start_time                1775875556.344522391 secs.nsecs
elapsed_time              3.357645601 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-ffff906ed0572000.read_ahead_stats=clear
llite.lustre-ffff906ed0572000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.12665 seconds
llite.lustre-ffff906ed0572000.read_ahead_stats=
snapshot_time             1775875563.595446763 secs.nsecs
start_time                1775875559.717957351 secs.nsecs
elapsed_time              3.877489412 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-ffff906ed0572000.max_read_ahead_whole_mb=4