== sanity test 248c: verify whole file read behavior ===== 17:30:02 (1788816602)
llite.lustre-ffff9ac2594c8800.read_ahead_stats=c
striped dir -i0 -c2 -H crush2  /mnt/lustre/d248c.sanity
llite.lustre-ffff9ac2594c8800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.50512 seconds
llite.lustre-ffff9ac2594c8800.read_ahead_stats=
snapshot_time                       1788816610.211087207 secs.nsecs
start_time                          1788816604.219591075 secs.nsecs
elapsed_time                        5.991496132 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-ffff9ac2594c8800.read_ahead_stats=clear
llite.lustre-ffff9ac2594c8800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.24417 seconds
llite.lustre-ffff9ac2594c8800.read_ahead_stats=
snapshot_time                       1788816616.886960466 secs.nsecs
start_time                          1788816610.220837431 secs.nsecs
elapsed_time                        6.666123035 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-ffff9ac2594c8800.max_read_ahead_whole_mb=4