== sanity test 248c: verify whole file read behavior ===== 20:17:40 (1763342260)
llite.lustre-ffff97ddd1153000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff97ddd1153000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 8.34976 seconds
llite.lustre-ffff97ddd1153000.read_ahead_stats=
snapshot_time             1763342270.588602333 secs.nsecs
start_time                1763342261.777254041 secs.nsecs
elapsed_time              8.811348292 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-ffff97ddd1153000.read_ahead_stats=clear
llite.lustre-ffff97ddd1153000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.12674 seconds
llite.lustre-ffff97ddd1153000.read_ahead_stats=
snapshot_time             1763342280.662682330 secs.nsecs
start_time                1763342270.614568464 secs.nsecs
elapsed_time              10.048113866 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-ffff97ddd1153000.max_read_ahead_whole_mb=4