== sanity test 248c: verify whole file read behavior ===== 00:47:11 (1718858831)
llite.lustre-ffff88012a9e6800.read_ahead_stats=c
llite.lustre-ffff88012a9e6800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 32.2 seconds
llite.lustre-ffff88012a9e6800.read_ahead_stats=
snapshot_time             1718858833.788092716 secs.nsecs
start_time                1718858831.604745050 secs.nsecs
elapsed_time              2.183347666 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-ffff88012a9e6800.read_ahead_stats=clear
llite.lustre-ffff88012a9e6800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 31.3 seconds
llite.lustre-ffff88012a9e6800.read_ahead_stats=
snapshot_time             1718858836.339074266 secs.nsecs
start_time                1718858833.792198552 secs.nsecs
elapsed_time              2.546875714 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-ffff88012a9e6800.max_read_ahead_whole_mb=64