== sanity test 248c: verify whole file read behavior ===== 23:27:17 (1764736037)
llite.lustre-ffff99c2f8d76800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff99c2f8d76800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.84799 seconds
llite.lustre-ffff99c2f8d76800.read_ahead_stats=
snapshot_time             1764736042.633559075 secs.nsecs
start_time                1764736037.595998333 secs.nsecs
elapsed_time              5.037560742 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-ffff99c2f8d76800.read_ahead_stats=clear
llite.lustre-ffff99c2f8d76800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.20218 seconds
llite.lustre-ffff99c2f8d76800.read_ahead_stats=
snapshot_time             1764736047.490797396 secs.nsecs
start_time                1764736042.639757988 secs.nsecs
elapsed_time              4.851039408 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-ffff99c2f8d76800.max_read_ahead_whole_mb=4