== sanity test 248c: verify whole file read behavior ===== 15:19:36 (1788203976)
llite.lustre-ffff8d49c655a800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff8d49c655a800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 8.13278 seconds
llite.lustre-ffff8d49c655a800.read_ahead_stats=
snapshot_time                       1788203987.777048368 secs.nsecs
start_time                          1788203978.823973405 secs.nsecs
elapsed_time                        8.953074963 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-ffff8d49c655a800.read_ahead_stats=clear
llite.lustre-ffff8d49c655a800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.7273 seconds
llite.lustre-ffff8d49c655a800.read_ahead_stats=
snapshot_time                       1788203997.856095491 secs.nsecs
start_time                          1788203987.793302000 secs.nsecs
elapsed_time                        10.062793491 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-ffff8d49c655a800.max_read_ahead_whole_mb=4