== sanity test 248c: verify whole file read behavior ===== 07:42:56 (1789126976)
llite.lustre-ffff99f9c2f31800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff99f9c2f31800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.67036 seconds
llite.lustre-ffff99f9c2f31800.read_ahead_stats=
snapshot_time                       1789126982.824984947 secs.nsecs
start_time                          1789126977.561311997 secs.nsecs
elapsed_time                        5.263672950 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-ffff99f9c2f31800.read_ahead_stats=clear
llite.lustre-ffff99f9c2f31800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.16055 seconds
llite.lustre-ffff99f9c2f31800.read_ahead_stats=
snapshot_time                       1789126989.562768957 secs.nsecs
start_time                          1789126982.834357924 secs.nsecs
elapsed_time                        6.728411033 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-ffff99f9c2f31800.max_read_ahead_whole_mb=4