== sanity test 248c: verify whole file read behavior ===== 06:05:19 (1779098719)
llite.lustre-ffff88e292d7a000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff88e292d7a000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.95435 seconds
llite.lustre-ffff88e292d7a000.read_ahead_stats=
snapshot_time             1779098729.584139102 secs.nsecs
start_time                1779098721.750926020 secs.nsecs
elapsed_time              7.833213082 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-ffff88e292d7a000.read_ahead_stats=clear
llite.lustre-ffff88e292d7a000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.55533 seconds
llite.lustre-ffff88e292d7a000.read_ahead_stats=
snapshot_time             1779098738.179771087 secs.nsecs
start_time                1779098729.607470564 secs.nsecs
elapsed_time              8.572300523 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-ffff88e292d7a000.max_read_ahead_whole_mb=4