== sanity test 248c: verify whole file read behavior ===== 11:14:03 (1789139643)
llite.lustre-ffff9e71b1ef9800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9e71b1ef9800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.15484 seconds
llite.lustre-ffff9e71b1ef9800.read_ahead_stats=
snapshot_time                       1789139651.044086042 secs.nsecs
start_time                          1789139645.448085799 secs.nsecs
elapsed_time                        5.596000243 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-ffff9e71b1ef9800.read_ahead_stats=clear
llite.lustre-ffff9e71b1ef9800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.78133 seconds
llite.lustre-ffff9e71b1ef9800.read_ahead_stats=
snapshot_time                       1789139658.635050264 secs.nsecs
start_time                          1789139651.060762087 secs.nsecs
elapsed_time                        7.574288177 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-ffff9e71b1ef9800.max_read_ahead_whole_mb=4