== sanity test 248c: verify whole file read behavior ===== 06:42:14 (1731757334)
llite.lustre-ffff8800a9547000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff8800a9547000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 34.5 seconds
llite.lustre-ffff8800a9547000.read_ahead_stats=
snapshot_time             1731757336.965151401 secs.nsecs
start_time                1731757334.890830808 secs.nsecs
elapsed_time              2.074320593 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-ffff8800a9547000.read_ahead_stats=clear
llite.lustre-ffff8800a9547000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 34.2 seconds
llite.lustre-ffff8800a9547000.read_ahead_stats=
snapshot_time             1731757339.356432495 secs.nsecs
start_time                1731757336.968620934 secs.nsecs
elapsed_time              2.387811561 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-ffff8800a9547000.max_read_ahead_whole_mb=64