== sanity test 248c: verify whole file read behavior ===== 17:15:47 (1777583747)
llite.lustre-ffff8dc550d44800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff8dc550d44800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.43338 seconds
llite.lustre-ffff8dc550d44800.read_ahead_stats=
snapshot_time             1777583754.977810492 secs.nsecs
start_time                1777583748.848565954 secs.nsecs
elapsed_time              6.129244538 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-ffff8dc550d44800.read_ahead_stats=clear
llite.lustre-ffff8dc550d44800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.69094 seconds
llite.lustre-ffff8dc550d44800.read_ahead_stats=
snapshot_time             1777583762.775189645 secs.nsecs
start_time                1777583754.997064545 secs.nsecs
elapsed_time              7.778125100 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-ffff8dc550d44800.max_read_ahead_whole_mb=4