== sanity test 248c: verify whole file read behavior ===== 18:25:13 (1785882313)
llite.lustre-ffff94b590e69800.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff94b590e69800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 8.27218 seconds
llite.lustre-ffff94b590e69800.read_ahead_stats=
snapshot_time                       1785882325.355695254 secs.nsecs
start_time                          1785882315.861441772 secs.nsecs
elapsed_time                        9.494253482 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-ffff94b590e69800.read_ahead_stats=clear
llite.lustre-ffff94b590e69800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 10.3131 seconds
llite.lustre-ffff94b590e69800.read_ahead_stats=
snapshot_time                       1785882338.778290550 secs.nsecs
start_time                          1785882325.369929905 secs.nsecs
elapsed_time                        13.408360645 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-ffff94b590e69800.max_read_ahead_whole_mb=4