== sanity test 248c: verify whole file read behavior ===== 18:18:43 (1746137923)
llite.lustre-ffff8800b6fe8000.read_ahead_stats=c
llite.lustre-ffff8800b6fe8000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 19.7 seconds
llite.lustre-ffff8800b6fe8000.read_ahead_stats=
snapshot_time             1746137927.946583468 secs.nsecs
start_time                1746137924.288535134 secs.nsecs
elapsed_time              3.658048334 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-ffff8800b6fe8000.read_ahead_stats=clear
llite.lustre-ffff8800b6fe8000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 20.9 seconds
llite.lustre-ffff8800b6fe8000.read_ahead_stats=
snapshot_time             1746137931.764632480 secs.nsecs
start_time                1746137927.953703180 secs.nsecs
elapsed_time              3.810929300 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-ffff8800b6fe8000.max_read_ahead_whole_mb=4