== sanity test 248c: verify whole file read behavior ===== 15:59:03 (1787342343)
llite.lustre-ffff9e3a43a79000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9e3a43a79000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 8.50752 seconds
llite.lustre-ffff9e3a43a79000.read_ahead_stats=
snapshot_time                       1787342355.165869248 secs.nsecs
start_time                          1787342345.725264742 secs.nsecs
elapsed_time                        9.440604506 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-ffff9e3a43a79000.read_ahead_stats=clear
llite.lustre-ffff9e3a43a79000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.62299 seconds
llite.lustre-ffff9e3a43a79000.read_ahead_stats=
snapshot_time                       1787342365.280218318 secs.nsecs
start_time                          1787342355.199436033 secs.nsecs
elapsed_time                        10.080782285 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-ffff9e3a43a79000.max_read_ahead_whole_mb=4