== sanity test 248c: verify whole file read behavior ===== 20:12:07 (1772759527)
llite.lustre-ffff8c4b88003800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff8c4b88003800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.89981 seconds
llite.lustre-ffff8c4b88003800.read_ahead_stats=
snapshot_time             1772759533.819461642 secs.nsecs
start_time                1772759527.691918811 secs.nsecs
elapsed_time              6.127542831 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-ffff8c4b88003800.read_ahead_stats=clear
llite.lustre-ffff8c4b88003800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.32518 seconds
llite.lustre-ffff8c4b88003800.read_ahead_stats=
snapshot_time             1772759540.908818912 secs.nsecs
start_time                1772759533.825768728 secs.nsecs
elapsed_time              7.083050184 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-ffff8c4b88003800.max_read_ahead_whole_mb=4