== sanity test 248c: verify whole file read behavior ===== 11:27:33 (1790004453)
llite.lustre-ffff9345452d6000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff9345452d6000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 10.9097 seconds
llite.lustre-ffff9345452d6000.read_ahead_stats=
snapshot_time                       1790004468.214767995 secs.nsecs
start_time                          1790004456.536163045 secs.nsecs
elapsed_time                        11.678604950 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-ffff9345452d6000.read_ahead_stats=clear
llite.lustre-ffff9345452d6000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 11.1419 seconds
llite.lustre-ffff9345452d6000.read_ahead_stats=
snapshot_time                       1790004481.919154989 secs.nsecs
start_time                          1790004468.264239049 secs.nsecs
elapsed_time                        13.654915940 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-ffff9345452d6000.max_read_ahead_whole_mb=4