== sanity test 248c: verify whole file read behavior ===== 20:44:10 (1763343850)
llite.lustre-ffff9b64c91b3800.read_ahead_stats=c
striped dir -i0 -c2 -H crush /mnt/lustre/d248c.sanity
llite.lustre-ffff9b64c91b3800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.57335 seconds
llite.lustre-ffff9b64c91b3800.read_ahead_stats=
snapshot_time             1763343858.676862974 secs.nsecs
start_time                1763343851.554749701 secs.nsecs
elapsed_time              7.122113273 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-ffff9b64c91b3800.read_ahead_stats=clear
llite.lustre-ffff9b64c91b3800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.84953 seconds
llite.lustre-ffff9b64c91b3800.read_ahead_stats=
snapshot_time             1763343865.794038208 secs.nsecs
start_time                1763343858.698279523 secs.nsecs
elapsed_time              7.095758685 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-ffff9b64c91b3800.max_read_ahead_whole_mb=4