== sanity test 248c: verify whole file read behavior ===== 15:31:19 (1775849479)
llite.lustre-ffff9e0ac72b6800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9e0ac72b6800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.16197 seconds
llite.lustre-ffff9e0ac72b6800.read_ahead_stats=
snapshot_time             1775849489.449120668 secs.nsecs
start_time                1775849481.695457351 secs.nsecs
elapsed_time              7.753663317 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-ffff9e0ac72b6800.read_ahead_stats=clear
llite.lustre-ffff9e0ac72b6800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.18481 seconds
llite.lustre-ffff9e0ac72b6800.read_ahead_stats=
snapshot_time             1775849497.866706927 secs.nsecs
start_time                1775849489.467867441 secs.nsecs
elapsed_time              8.398839486 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-ffff9e0ac72b6800.max_read_ahead_whole_mb=4