== sanity test 248c: verify whole file read behavior ===== 18:29:52 (1787869792)
llite.lustre-ffff9d0ec2aa9000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9d0ec2aa9000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.77362 seconds
llite.lustre-ffff9d0ec2aa9000.read_ahead_stats=
snapshot_time                       1787869803.057624741 secs.nsecs
start_time                          1787869794.480792846 secs.nsecs
elapsed_time                        8.576831895 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-ffff9d0ec2aa9000.read_ahead_stats=clear
llite.lustre-ffff9d0ec2aa9000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.96935 seconds
llite.lustre-ffff9d0ec2aa9000.read_ahead_stats=
snapshot_time                       1787869814.500306316 secs.nsecs
start_time                          1787869803.085037459 secs.nsecs
elapsed_time                        11.415268857 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-ffff9d0ec2aa9000.max_read_ahead_whole_mb=4