== sanity test 248c: verify whole file read behavior ===== 17:31:51 (1779312711)
llite.lustre-ffff9145ae532000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff9145ae532000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.83023 seconds
llite.lustre-ffff9145ae532000.read_ahead_stats=
snapshot_time             1779312719.067666507 secs.nsecs
start_time                1779312713.468034687 secs.nsecs
elapsed_time              5.599631820 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-ffff9145ae532000.read_ahead_stats=clear
llite.lustre-ffff9145ae532000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.10634 seconds
llite.lustre-ffff9145ae532000.read_ahead_stats=
snapshot_time             1779312725.586427761 secs.nsecs
start_time                1779312719.085066797 secs.nsecs
elapsed_time              6.501360964 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-ffff9145ae532000.max_read_ahead_whole_mb=4