== sanity test 248c: verify whole file read behavior ===== 12:12:25 (1785082345)
llite.lustre-ffff98b85084e000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff98b85084e000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.85929 seconds
llite.lustre-ffff98b85084e000.read_ahead_stats=
snapshot_time                       1785082356.090500570 secs.nsecs
start_time                          1785082347.413079211 secs.nsecs
elapsed_time                        8.677421359 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-ffff98b85084e000.read_ahead_stats=clear
llite.lustre-ffff98b85084e000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.18061 seconds
llite.lustre-ffff98b85084e000.read_ahead_stats=
snapshot_time                       1785082364.891191145 secs.nsecs
start_time                          1785082356.100728467 secs.nsecs
elapsed_time                        8.790462678 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-ffff98b85084e000.max_read_ahead_whole_mb=4