== sanity test 248c: verify whole file read behavior ===== 11:33:07 (1772469187)
llite.lustre-ffff9ef4afc96000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff9ef4afc96000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.76555 seconds
llite.lustre-ffff9ef4afc96000.read_ahead_stats=
snapshot_time             1772469192.129656666 secs.nsecs
start_time                1772469188.143429896 secs.nsecs
elapsed_time              3.986226770 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-ffff9ef4afc96000.read_ahead_stats=clear
llite.lustre-ffff9ef4afc96000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.08455 seconds
llite.lustre-ffff9ef4afc96000.read_ahead_stats=
snapshot_time             1772469196.914107158 secs.nsecs
start_time                1772469192.136196757 secs.nsecs
elapsed_time              4.777910401 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-ffff9ef4afc96000.max_read_ahead_whole_mb=4