== sanity test 248c: verify whole file read behavior ===== 01:12:27 (1780809147)
llite.lustre-ffffa016e064a000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffffa016e064a000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 2.45823 seconds
llite.lustre-ffffa016e064a000.read_ahead_stats=
snapshot_time             1780809150.921645105 secs.nsecs
start_time                1780809148.260346979 secs.nsecs
elapsed_time              2.661298126 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-ffffa016e064a000.read_ahead_stats=clear
llite.lustre-ffffa016e064a000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 2.76138 seconds
llite.lustre-ffffa016e064a000.read_ahead_stats=
snapshot_time             1780809154.219926211 secs.nsecs
start_time                1780809150.927301263 secs.nsecs
elapsed_time              3.292624948 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-ffffa016e064a000.max_read_ahead_whole_mb=4