== sanity test 248c: verify whole file read behavior ===== 12:11:38 (1777565498)
llite.lustre-ffff9d59f18d2000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9d59f18d2000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 2.43444 seconds
llite.lustre-ffff9d59f18d2000.read_ahead_stats=
snapshot_time             1777565501.373795046 secs.nsecs
start_time                1777565498.684129274 secs.nsecs
elapsed_time              2.689665772 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-ffff9d59f18d2000.read_ahead_stats=clear
llite.lustre-ffff9d59f18d2000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 2.40258 seconds
llite.lustre-ffff9d59f18d2000.read_ahead_stats=
snapshot_time             1777565504.297544334 secs.nsecs
start_time                1777565501.378613077 secs.nsecs
elapsed_time              2.918931257 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-ffff9d59f18d2000.max_read_ahead_whole_mb=4