== sanity test 248c: verify whole file read behavior ===== 11:16:05 (1787584565)
llite.lustre-ffff958007cb9000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff958007cb9000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.64266 seconds
llite.lustre-ffff958007cb9000.read_ahead_stats=
snapshot_time                       1787584574.940559681 secs.nsecs
start_time                          1787584567.710850449 secs.nsecs
elapsed_time                        7.229709232 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-ffff958007cb9000.read_ahead_stats=clear
llite.lustre-ffff958007cb9000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.32789 seconds
llite.lustre-ffff958007cb9000.read_ahead_stats=
snapshot_time                       1787584583.238014612 secs.nsecs
start_time                          1787584574.974493397 secs.nsecs
elapsed_time                        8.263521215 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-ffff958007cb9000.max_read_ahead_whole_mb=4