== sanity test 248c: verify whole file read behavior ===== 21:09:58 (1777424998)
llite.lustre-ffff8f7b50d7e000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff8f7b50d7e000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 2.39941 seconds
llite.lustre-ffff8f7b50d7e000.read_ahead_stats=
snapshot_time             1777425001.644750285 secs.nsecs
start_time                1777424999.075889513 secs.nsecs
elapsed_time              2.568860772 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-ffff8f7b50d7e000.read_ahead_stats=clear
llite.lustre-ffff8f7b50d7e000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 2.77693 seconds
llite.lustre-ffff8f7b50d7e000.read_ahead_stats=
snapshot_time             1777425004.958368163 secs.nsecs
start_time                1777425001.650425876 secs.nsecs
elapsed_time              3.307942287 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-ffff8f7b50d7e000.max_read_ahead_whole_mb=4