== sanity test 248c: verify whole file read behavior ===== 12:58:38 (1761238718)
llite.lustre-ffff8c149055a000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff8c149055a000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.76794 seconds
llite.lustre-ffff8c149055a000.read_ahead_stats=
snapshot_time             1761238727.150299023 secs.nsecs
start_time                1761238719.920560974 secs.nsecs
elapsed_time              7.229738049 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-ffff8c149055a000.read_ahead_stats=clear
llite.lustre-ffff8c149055a000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.40762 seconds
llite.lustre-ffff8c149055a000.read_ahead_stats=
snapshot_time             1761238734.874044577 secs.nsecs
start_time                1761238727.166000898 secs.nsecs
elapsed_time              7.708043679 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-ffff8c149055a000.max_read_ahead_whole_mb=4