== sanity test 248c: verify whole file read behavior ===== 14:11:43 (1752689503)
llite.lustre-ffff89bb87d66000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff89bb87d66000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.85575 seconds
llite.lustre-ffff89bb87d66000.read_ahead_stats=
snapshot_time             1752689508.308549536 secs.nsecs
start_time                1752689504.287897208 secs.nsecs
elapsed_time              4.020652328 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-ffff89bb87d66000.read_ahead_stats=clear
llite.lustre-ffff89bb87d66000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.88775 seconds
llite.lustre-ffff89bb87d66000.read_ahead_stats=
snapshot_time             1752689512.746438928 secs.nsecs
start_time                1752689508.313029523 secs.nsecs
elapsed_time              4.433409405 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-ffff89bb87d66000.max_read_ahead_whole_mb=4