== sanity test 248c: verify whole file read behavior ===== 01:27:26 (1746077246)
llite.lustre-ffff88009a7ea000.read_ahead_stats=c
llite.lustre-ffff88009a7ea000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 16.0 seconds
llite.lustre-ffff88009a7ea000.read_ahead_stats=
snapshot_time             1746077252.127130368 secs.nsecs
start_time                1746077247.676819821 secs.nsecs
elapsed_time              4.450310547 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-ffff88009a7ea000.read_ahead_stats=clear
llite.lustre-ffff88009a7ea000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 18.4 seconds
llite.lustre-ffff88009a7ea000.read_ahead_stats=
snapshot_time             1746077256.459177126 secs.nsecs
start_time                1746077252.140424173 secs.nsecs
elapsed_time              4.318752953 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-ffff88009a7ea000.max_read_ahead_whole_mb=4