== sanity test 248c: verify whole file read behavior ===== 14:18:09 (1744136289)
llite.lustre-ffff8800a85bb000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff8800a85bb000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 35.2 seconds
llite.lustre-ffff8800a85bb000.read_ahead_stats=
snapshot_time             1744136292.346865077 secs.nsecs
start_time                1744136290.266805702 secs.nsecs
elapsed_time              2.080059375 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-ffff8800a85bb000.read_ahead_stats=clear
llite.lustre-ffff8800a85bb000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 35.4 seconds
llite.lustre-ffff8800a85bb000.read_ahead_stats=
snapshot_time             1744136294.655387249 secs.nsecs
start_time                1744136292.350285397 secs.nsecs
elapsed_time              2.305101852 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-ffff8800a85bb000.max_read_ahead_whole_mb=4