== sanity test 248c: verify whole file read behavior ===== 16:35:30 (1788640530)
llite.lustre-ffff898dd80e6800.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff898dd80e6800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.95295 seconds
llite.lustre-ffff898dd80e6800.read_ahead_stats=
snapshot_time                       1788640540.023247598 secs.nsecs
start_time                          1788640532.052889639 secs.nsecs
elapsed_time                        7.970357959 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-ffff898dd80e6800.read_ahead_stats=clear
llite.lustre-ffff898dd80e6800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.28699 seconds
llite.lustre-ffff898dd80e6800.read_ahead_stats=
snapshot_time                       1788640550.676480550 secs.nsecs
start_time                          1788640540.034504985 secs.nsecs
elapsed_time                        10.641975565 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-ffff898dd80e6800.max_read_ahead_whole_mb=4