== sanity test 248c: verify whole file read behavior ===== 22:53:22 (1787194402)
llite.lustre-ffff899c83e7f000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff899c83e7f000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.13447 seconds
llite.lustre-ffff899c83e7f000.read_ahead_stats=
snapshot_time                       1787194410.078632977 secs.nsecs
start_time                          1787194403.576580019 secs.nsecs
elapsed_time                        6.502052958 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-ffff899c83e7f000.read_ahead_stats=clear
llite.lustre-ffff899c83e7f000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.71241 seconds
llite.lustre-ffff899c83e7f000.read_ahead_stats=
snapshot_time                       1787194417.395649270 secs.nsecs
start_time                          1787194410.093783350 secs.nsecs
elapsed_time                        7.301865920 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-ffff899c83e7f000.max_read_ahead_whole_mb=4