== sanity test 248c: verify whole file read behavior ===== 22:59:30 (1784084370)
llite.lustre-ffff964380809000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff964380809000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.27685 seconds
llite.lustre-ffff964380809000.read_ahead_stats=
snapshot_time                       1784084375.184334024 secs.nsecs
start_time                          1784084371.618110345 secs.nsecs
elapsed_time                        3.566223679 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-ffff964380809000.read_ahead_stats=clear
llite.lustre-ffff964380809000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.27186 seconds
llite.lustre-ffff964380809000.read_ahead_stats=
snapshot_time                       1784084379.221073769 secs.nsecs
start_time                          1784084375.192286016 secs.nsecs
elapsed_time                        4.028787753 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-ffff964380809000.max_read_ahead_whole_mb=4