== sanity test 248c: verify whole file read behavior ===== 13:24:43 (1763490283)
llite.lustre-ffff97372086c800.read_ahead_stats=c
striped dir -i0 -c2 -H all_char /mnt/lustre/d248c.sanity
llite.lustre-ffff97372086c800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.25999 seconds
llite.lustre-ffff97372086c800.read_ahead_stats=
snapshot_time             1763490289.095579968 secs.nsecs
start_time                1763490284.566816312 secs.nsecs
elapsed_time              4.528763656 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-ffff97372086c800.read_ahead_stats=clear
llite.lustre-ffff97372086c800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.43197 seconds
llite.lustre-ffff97372086c800.read_ahead_stats=
snapshot_time             1763490294.265212449 secs.nsecs
start_time                1763490289.104008015 secs.nsecs
elapsed_time              5.161204434 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-ffff97372086c800.max_read_ahead_whole_mb=4