== sanity test 248c: verify whole file read behavior ===== 23:31:40 (1789270300)
llite.lustre-ffff9c0c82df1800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9c0c82df1800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.50751 seconds
llite.lustre-ffff9c0c82df1800.read_ahead_stats=
snapshot_time                       1789270309.210392535 secs.nsecs
start_time                          1789270302.026439499 secs.nsecs
elapsed_time                        7.183953036 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-ffff9c0c82df1800.read_ahead_stats=clear
llite.lustre-ffff9c0c82df1800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.79811 seconds
llite.lustre-ffff9c0c82df1800.read_ahead_stats=
snapshot_time                       1789270316.837316958 secs.nsecs
start_time                          1789270309.250877058 secs.nsecs
elapsed_time                        7.586439900 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-ffff9c0c82df1800.max_read_ahead_whole_mb=4