== sanity test 248c: verify whole file read behavior ===== 08:49:45 (1786193385)
llite.lustre-ffff8f84c3f77800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff8f84c3f77800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 2.87584 seconds
llite.lustre-ffff8f84c3f77800.read_ahead_stats=
snapshot_time                       1786193389.772834792 secs.nsecs
start_time                          1786193386.676220217 secs.nsecs
elapsed_time                        3.096614575 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-ffff8f84c3f77800.read_ahead_stats=clear
llite.lustre-ffff8f84c3f77800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.00587 seconds
llite.lustre-ffff8f84c3f77800.read_ahead_stats=
snapshot_time                       1786193393.409667726 secs.nsecs
start_time                          1786193389.778792795 secs.nsecs
elapsed_time                        3.630874931 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-ffff8f84c3f77800.max_read_ahead_whole_mb=4