== sanity test 248c: verify whole file read behavior ===== 03:16:08 (1746083768)
llite.lustre-ffff880099097000.read_ahead_stats=c
llite.lustre-ffff880099097000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 19.9 seconds
llite.lustre-ffff880099097000.read_ahead_stats=
snapshot_time             1746083772.302869175 secs.nsecs
start_time                1746083768.754871150 secs.nsecs
elapsed_time              3.547998025 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-ffff880099097000.read_ahead_stats=clear
llite.lustre-ffff880099097000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 22.2 seconds
llite.lustre-ffff880099097000.read_ahead_stats=
snapshot_time             1746083775.962252342 secs.nsecs
start_time                1746083772.310056350 secs.nsecs
elapsed_time              3.652195992 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-ffff880099097000.max_read_ahead_whole_mb=4