== sanity test 248c: verify whole file read behavior ===== 23:17:27 (1764735447)
llite.lustre-ffff9c82a124f800.read_ahead_stats=c
striped dir -i0 -c2 -H all_char /mnt/lustre/d248c.sanity
llite.lustre-ffff9c82a124f800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.39397 seconds
llite.lustre-ffff9c82a124f800.read_ahead_stats=
snapshot_time             1764735454.461964793 secs.nsecs
start_time                1764735448.720534565 secs.nsecs
elapsed_time              5.741430228 secs.nsecs
hits                      16382 samples [pages]
misses                    2 samples [pages]
failed_grab_cache_page    1 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-ffff9c82a124f800.read_ahead_stats=clear
llite.lustre-ffff9c82a124f800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.32347 seconds
llite.lustre-ffff9c82a124f800.read_ahead_stats=
snapshot_time             1764735460.743626518 secs.nsecs
start_time                1764735454.469719202 secs.nsecs
elapsed_time              6.273907316 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-ffff9c82a124f800.max_read_ahead_whole_mb=4