== sanity test 248c: verify whole file read behavior ===== 05:59:23 (1787392763)
llite.lustre-ffff8cc30491c000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff8cc30491c000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.2797 seconds
llite.lustre-ffff8cc30491c000.read_ahead_stats=
snapshot_time                       1787392773.171984662 secs.nsecs
start_time                          1787392765.157077819 secs.nsecs
elapsed_time                        8.014906843 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-ffff8cc30491c000.read_ahead_stats=clear
llite.lustre-ffff8cc30491c000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.33136 seconds
llite.lustre-ffff8cc30491c000.read_ahead_stats=
snapshot_time                       1787392783.779742705 secs.nsecs
start_time                          1787392773.190356077 secs.nsecs
elapsed_time                        10.589386628 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-ffff8cc30491c000.max_read_ahead_whole_mb=4