== sanity test 248c: verify whole file read behavior ===== 23:07:50 (1770437270)
llite.lustre-ffff9531854bf000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff9531854bf000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.06881 seconds
llite.lustre-ffff9531854bf000.read_ahead_stats=
snapshot_time             1770437275.991244269 secs.nsecs
start_time                1770437271.628516859 secs.nsecs
elapsed_time              4.362727410 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-ffff9531854bf000.read_ahead_stats=clear
llite.lustre-ffff9531854bf000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.67436 seconds
llite.lustre-ffff9531854bf000.read_ahead_stats=
snapshot_time             1770437280.199641259 secs.nsecs
start_time                1770437275.999584463 secs.nsecs
elapsed_time              4.200056796 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-ffff9531854bf000.max_read_ahead_whole_mb=4