== sanity test 248c: verify whole file read behavior ===== 15:20:21 (1764793221)
llite.lustre-ffff9804d0aa0800.read_ahead_stats=c
llite.lustre-ffff9804d0aa0800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 18.4164 seconds
llite.lustre-ffff9804d0aa0800.read_ahead_stats=
snapshot_time             1764793245.303602505 secs.nsecs
start_time                1764793225.735061651 secs.nsecs
elapsed_time              19.568540854 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-ffff9804d0aa0800.read_ahead_stats=clear
llite.lustre-ffff9804d0aa0800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 12.174 seconds
llite.lustre-ffff9804d0aa0800.read_ahead_stats=
snapshot_time             1764793260.516703387 secs.nsecs
start_time                1764793245.330650367 secs.nsecs
elapsed_time              15.186053020 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: 18.4164, greater than non: 12.174
llite.lustre-ffff9804d0aa0800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.41149 seconds
llite.lustre-ffff9804d0aa0800.read_ahead_stats=
snapshot_time             1764793268.516365014 secs.nsecs
start_time                1764793245.330650367 secs.nsecs
elapsed_time              23.185714647 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-ffff9804d0aa0800.read_ahead_stats=clear
llite.lustre-ffff9804d0aa0800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.35704 seconds
llite.lustre-ffff9804d0aa0800.read_ahead_stats=
snapshot_time             1764793274.967690386 secs.nsecs
start_time                1764793268.529211926 secs.nsecs
elapsed_time              6.438478460 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-ffff9804d0aa0800.max_read_ahead_whole_mb=4