== sanity test 248c: verify whole file read behavior ===== 17:18:37 (1786483117)
llite.lustre-ffff8bf885102000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff8bf885102000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.04137 seconds
llite.lustre-ffff8bf885102000.read_ahead_stats=
snapshot_time                       1786483121.524356100 secs.nsecs
start_time                          1786483118.177510607 secs.nsecs
elapsed_time                        3.346845493 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-ffff8bf885102000.read_ahead_stats=clear
llite.lustre-ffff8bf885102000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.2774 seconds
llite.lustre-ffff8bf885102000.read_ahead_stats=
snapshot_time                       1786483125.553213523 secs.nsecs
start_time                          1786483121.531666376 secs.nsecs
elapsed_time                        4.021547147 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-ffff8bf885102000.max_read_ahead_whole_mb=4