== sanity test 248c: verify whole file read behavior ===== 00:48:22 (1777006102)
llite.lustre-ffff94d304ce7800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff94d304ce7800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.973 seconds
llite.lustre-ffff94d304ce7800.read_ahead_stats=
snapshot_time             1777006112.753306059 secs.nsecs
start_time                1777006104.103726130 secs.nsecs
elapsed_time              8.649579929 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-ffff94d304ce7800.read_ahead_stats=clear
llite.lustre-ffff94d304ce7800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.01439 seconds
llite.lustre-ffff94d304ce7800.read_ahead_stats=
snapshot_time             1777006122.675068319 secs.nsecs
start_time                1777006112.766005831 secs.nsecs
elapsed_time              9.909062488 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-ffff94d304ce7800.max_read_ahead_whole_mb=4