== sanity test 248c: verify whole file read behavior ===== 00:23:36 (1781238216)
llite.lustre-ffff9f9a45777000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9f9a45777000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.97681 seconds
llite.lustre-ffff9f9a45777000.read_ahead_stats=
snapshot_time             1781238226.479873587 secs.nsecs
start_time                1781238217.828594489 secs.nsecs
elapsed_time              8.651279098 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-ffff9f9a45777000.read_ahead_stats=clear
llite.lustre-ffff9f9a45777000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.54222 seconds
llite.lustre-ffff9f9a45777000.read_ahead_stats=
snapshot_time             1781238235.707694657 secs.nsecs
start_time                1781238226.513641781 secs.nsecs
elapsed_time              9.194052876 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-ffff9f9a45777000.max_read_ahead_whole_mb=4