== sanity test 248c: verify whole file read behavior ===== 09:32:48 (1788183168)
llite.lustre-ffff9dcaf1554000.read_ahead_stats=c
striped dir -i0 -c2 -H crush2  /mnt/lustre/d248c.sanity
llite.lustre-ffff9dcaf1554000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.02616 seconds
llite.lustre-ffff9dcaf1554000.read_ahead_stats=
snapshot_time                       1788183178.426920953 secs.nsecs
start_time                          1788183170.646068922 secs.nsecs
elapsed_time                        7.780852031 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-ffff9dcaf1554000.read_ahead_stats=clear
llite.lustre-ffff9dcaf1554000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.35055 seconds
llite.lustre-ffff9dcaf1554000.read_ahead_stats=
snapshot_time                       1788183187.892855096 secs.nsecs
start_time                          1788183178.453417857 secs.nsecs
elapsed_time                        9.439437239 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-ffff9dcaf1554000.max_read_ahead_whole_mb=4