== sanity test 248c: verify whole file read behavior ===== 03:12:56 (1753427576)
llite.lustre-ffffa03f45fc1800.read_ahead_stats=c
llite.lustre-ffffa03f45fc1800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.5387 seconds
llite.lustre-ffffa03f45fc1800.read_ahead_stats=
snapshot_time             1753427585.443659432 secs.nsecs
start_time                1753427577.573147560 secs.nsecs
elapsed_time              7.870511872 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-ffffa03f45fc1800.read_ahead_stats=clear
llite.lustre-ffffa03f45fc1800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.85446 seconds
llite.lustre-ffffa03f45fc1800.read_ahead_stats=
snapshot_time             1753427592.048936829 secs.nsecs
start_time                1753427585.476785432 secs.nsecs
elapsed_time              6.572151397 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
Try 0 failed: whole file readahead took: 7.5387, greater than non: 4.85446
llite.lustre-ffffa03f45fc1800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.79905 seconds
llite.lustre-ffffa03f45fc1800.read_ahead_stats=
snapshot_time             1753427597.683111536 secs.nsecs
start_time                1753427585.476785432 secs.nsecs
elapsed_time              12.206326104 secs.nsecs
hits                      32764 samples [pages]
misses                    4 samples [pages]
zero_size_window          2 samples [pages]
failed_to_fast_read       6 samples [pages]
readahead_pages           2 samples [pages] 16382 16382 32764
llite.lustre-ffffa03f45fc1800.read_ahead_stats=clear
llite.lustre-ffffa03f45fc1800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.82538 seconds
llite.lustre-ffffa03f45fc1800.read_ahead_stats=
snapshot_time             1753427603.189868297 secs.nsecs
start_time                1753427597.691065685 secs.nsecs
elapsed_time              5.498802612 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 1
llite.lustre-ffffa03f45fc1800.max_read_ahead_whole_mb=4