== sanity test 248c: verify whole file read behavior ===== 15:00:00 (1783969200)
llite.lustre-ffff8c7a467be800.read_ahead_stats=c
striped dir -i0 -c2 -H crush2  /mnt/lustre/d248c.sanity
llite.lustre-ffff8c7a467be800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.47317 seconds
llite.lustre-ffff8c7a467be800.read_ahead_stats=
snapshot_time                       1783969208.638492823 secs.nsecs
start_time                          1783969202.515534165 secs.nsecs
elapsed_time                        6.122958658 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-ffff8c7a467be800.read_ahead_stats=clear
llite.lustre-ffff8c7a467be800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.37566 seconds
llite.lustre-ffff8c7a467be800.read_ahead_stats=
snapshot_time                       1783969216.516859662 secs.nsecs
start_time                          1783969208.659337544 secs.nsecs
elapsed_time                        7.857522118 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-ffff8c7a467be800.max_read_ahead_whole_mb=4