== sanity test 248c: verify whole file read behavior ===== 11:43:29 (1783352609)
llite.lustre-ffff922e88067800.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff922e88067800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.06721 seconds
llite.lustre-ffff922e88067800.read_ahead_stats=
snapshot_time                       1783352613.709009306 secs.nsecs
start_time                          1783352610.347089204 secs.nsecs
elapsed_time                        3.361920102 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-ffff922e88067800.read_ahead_stats=clear
llite.lustre-ffff922e88067800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.26611 seconds
llite.lustre-ffff922e88067800.read_ahead_stats=
snapshot_time                       1783352617.678931196 secs.nsecs
start_time                          1783352613.715742880 secs.nsecs
elapsed_time                        3.963188316 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-ffff922e88067800.max_read_ahead_whole_mb=4