== sanity test 248c: verify whole file read behavior ===== 06:03:09 (1765105389)
llite.lustre-ffff93592026a800.read_ahead_stats=c
striped dir -i0 -c2 -H crush2 /mnt/lustre/d248c.sanity
llite.lustre-ffff93592026a800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.59853 seconds
llite.lustre-ffff93592026a800.read_ahead_stats=
snapshot_time             1765105395.240749188 secs.nsecs
start_time                1765105390.194131170 secs.nsecs
elapsed_time              5.046618018 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-ffff93592026a800.read_ahead_stats=clear
llite.lustre-ffff93592026a800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.47176 seconds
llite.lustre-ffff93592026a800.read_ahead_stats=
snapshot_time             1765105400.470995576 secs.nsecs
start_time                1765105395.248428821 secs.nsecs
elapsed_time              5.222566755 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-ffff93592026a800.max_read_ahead_whole_mb=4