== sanity test 248c: verify whole file read behavior ===== 21:10:04 (1763345404)
llite.lustre-ffff8f68c67fa800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff8f68c67fa800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.26418 seconds
llite.lustre-ffff8f68c67fa800.read_ahead_stats=
snapshot_time             1763345414.130693228 secs.nsecs
start_time                1763345406.302248230 secs.nsecs
elapsed_time              7.828444998 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-ffff8f68c67fa800.read_ahead_stats=clear
llite.lustre-ffff8f68c67fa800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.94542 seconds
llite.lustre-ffff8f68c67fa800.read_ahead_stats=
snapshot_time             1763345422.672068947 secs.nsecs
start_time                1763345414.149732930 secs.nsecs
elapsed_time              8.522336017 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-ffff8f68c67fa800.max_read_ahead_whole_mb=4