== sanity test 248c: verify whole file read behavior ===== 10:07:45 (1788617265)
llite.lustre-ffff9e8558970800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9e8558970800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.92212 seconds
llite.lustre-ffff9e8558970800.read_ahead_stats=
snapshot_time                       1788617273.533913655 secs.nsecs
start_time                          1788617267.913523347 secs.nsecs
elapsed_time                        5.620390308 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-ffff9e8558970800.read_ahead_stats=clear
llite.lustre-ffff9e8558970800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 9.11577 seconds
llite.lustre-ffff9e8558970800.read_ahead_stats=
snapshot_time                       1788617284.591516786 secs.nsecs
start_time                          1788617273.557889971 secs.nsecs
elapsed_time                        11.033626815 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-ffff9e8558970800.max_read_ahead_whole_mb=4