== sanity test 248c: verify whole file read behavior ===== 15:30:26 (1775763026)
llite.lustre-ffff978d6f422800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff978d6f422800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.12773 seconds
llite.lustre-ffff978d6f422800.read_ahead_stats=
snapshot_time             1775763036.113463773 secs.nsecs
start_time                1775763028.221557187 secs.nsecs
elapsed_time              7.891906586 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-ffff978d6f422800.read_ahead_stats=clear
llite.lustre-ffff978d6f422800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.67685 seconds
llite.lustre-ffff978d6f422800.read_ahead_stats=
snapshot_time             1775763046.056222337 secs.nsecs
start_time                1775763036.133139954 secs.nsecs
elapsed_time              9.923082383 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-ffff978d6f422800.max_read_ahead_whole_mb=4