== sanity test 248c: verify whole file read behavior ===== 22:59:48 (1781233188)
llite.lustre-ffffa0b7c85c3000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffffa0b7c85c3000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.19873 seconds
llite.lustre-ffffa0b7c85c3000.read_ahead_stats=
snapshot_time             1781233197.894536714 secs.nsecs
start_time                1781233190.062626422 secs.nsecs
elapsed_time              7.831910292 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-ffffa0b7c85c3000.read_ahead_stats=clear
llite.lustre-ffffa0b7c85c3000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.77127 seconds
llite.lustre-ffffa0b7c85c3000.read_ahead_stats=
snapshot_time             1781233208.799456531 secs.nsecs
start_time                1781233197.968946238 secs.nsecs
elapsed_time              10.830510293 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-ffffa0b7c85c3000.max_read_ahead_whole_mb=4