== sanity test 248c: verify whole file read behavior ===== 13:53:34 (1763405614)
llite.lustre-ffff97e08703b800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff97e08703b800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.66065 seconds
llite.lustre-ffff97e08703b800.read_ahead_stats=
snapshot_time             1763405624.153096019 secs.nsecs
start_time                1763405615.996255092 secs.nsecs
elapsed_time              8.156840927 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-ffff97e08703b800.read_ahead_stats=clear
llite.lustre-ffff97e08703b800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.74327 seconds
llite.lustre-ffff97e08703b800.read_ahead_stats=
snapshot_time             1763405632.271009650 secs.nsecs
start_time                1763405624.170808452 secs.nsecs
elapsed_time              8.100201198 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-ffff97e08703b800.max_read_ahead_whole_mb=4