== sanity test 248c: verify whole file read behavior ===== 12:39:11 (1729096751)
llite.lustre-ffff8800b6fcd000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char /mnt/lustre/d248c.sanity
llite.lustre-ffff8800b6fcd000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 34.6 seconds
llite.lustre-ffff8800b6fcd000.read_ahead_stats=
snapshot_time             1729096754.705779998 secs.nsecs
start_time                1729096752.548834496 secs.nsecs
elapsed_time              2.156945502 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-ffff8800b6fcd000.read_ahead_stats=clear
llite.lustre-ffff8800b6fcd000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 34.0 seconds
llite.lustre-ffff8800b6fcd000.read_ahead_stats=
snapshot_time             1729096757.101256797 secs.nsecs
start_time                1729096754.708927329 secs.nsecs
elapsed_time              2.392329468 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-ffff8800b6fcd000.max_read_ahead_whole_mb=64