== sanity test 248c: verify whole file read behavior ===== 10:12:56 (1758809576)
llite.lustre-ffff8a48457a1800.read_ahead_stats=c
striped dir -i0 -c2 -H all_char /mnt/lustre/d248c.sanity
llite.lustre-ffff8a48457a1800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.49871 seconds
llite.lustre-ffff8a48457a1800.read_ahead_stats=
snapshot_time             1758809582.138993140 secs.nsecs
start_time                1758809577.411889744 secs.nsecs
elapsed_time              4.727103396 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-ffff8a48457a1800.read_ahead_stats=clear
llite.lustre-ffff8a48457a1800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.97339 seconds
llite.lustre-ffff8a48457a1800.read_ahead_stats=
snapshot_time             1758809586.650636496 secs.nsecs
start_time                1758809582.146691924 secs.nsecs
elapsed_time              4.503944572 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-ffff8a48457a1800.max_read_ahead_whole_mb=4