== sanity test 248c: verify whole file read behavior ===== 03:21:34 (1746084094)
llite.lustre-ffff880135460800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff880135460800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 25.6 seconds
llite.lustre-ffff880135460800.read_ahead_stats=
snapshot_time             1746084097.298444426 secs.nsecs
start_time                1746084094.513590013 secs.nsecs
elapsed_time              2.784854413 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-ffff880135460800.read_ahead_stats=clear
llite.lustre-ffff880135460800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 25.4 seconds
llite.lustre-ffff880135460800.read_ahead_stats=
snapshot_time             1746084100.465258004 secs.nsecs
start_time                1746084097.302507298 secs.nsecs
elapsed_time              3.162750706 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-ffff880135460800.max_read_ahead_whole_mb=4