== sanity test 248c: verify whole file read behavior ===== 01:16:59 (1787375819)
llite.lustre-ffff8bb790aec800.read_ahead_stats=c
llite.lustre-ffff8bb790aec800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.8947 seconds
llite.lustre-ffff8bb790aec800.read_ahead_stats=
snapshot_time                       1787375829.947618785 secs.nsecs
start_time                          1787375821.454382542 secs.nsecs
elapsed_time                        8.493236243 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-ffff8bb790aec800.read_ahead_stats=clear
llite.lustre-ffff8bb790aec800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.14562 seconds
llite.lustre-ffff8bb790aec800.read_ahead_stats=
snapshot_time                       1787375840.173831106 secs.nsecs
start_time                          1787375829.979560936 secs.nsecs
elapsed_time                        10.194270170 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-ffff8bb790aec800.max_read_ahead_whole_mb=4