== sanity test 248c: verify whole file read behavior ===== 23:21:02 (1745464862)
llite.lustre-7979de73-5e6e-4362-b6dc-64d3a5bd8dbf.read_ahead_stats=c
striped dir -i0 -c2 -H crush /mnt/lustre/d248c.sanity
llite.lustre-7979de73-5e6e-4362-b6dc-64d3a5bd8dbf.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 36.7 seconds
llite.lustre-7979de73-5e6e-4362-b6dc-64d3a5bd8dbf.read_ahead_stats=
snapshot_time             1745464865.113153087 secs.nsecs
start_time                1745464863.143102406 secs.nsecs
elapsed_time              1.970050681 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-7979de73-5e6e-4362-b6dc-64d3a5bd8dbf.read_ahead_stats=clear
llite.lustre-7979de73-5e6e-4362-b6dc-64d3a5bd8dbf.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 33.5 seconds
llite.lustre-7979de73-5e6e-4362-b6dc-64d3a5bd8dbf.read_ahead_stats=
snapshot_time             1745464867.527220157 secs.nsecs
start_time                1745464865.118095719 secs.nsecs
elapsed_time              2.409124438 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-7979de73-5e6e-4362-b6dc-64d3a5bd8dbf.max_read_ahead_whole_mb=4