== sanity test 248c: verify whole file read behavior ===== 13:05:24 (1788800724)
llite.lustre-ffff9e09d177f000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff9e09d177f000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.45623 seconds
llite.lustre-ffff9e09d177f000.read_ahead_stats=
snapshot_time                       1788800735.011289399 secs.nsecs
start_time                          1788800726.667291304 secs.nsecs
elapsed_time                        8.343998095 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-ffff9e09d177f000.read_ahead_stats=clear
llite.lustre-ffff9e09d177f000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.95433 seconds
llite.lustre-ffff9e09d177f000.read_ahead_stats=
snapshot_time                       1788800743.096453991 secs.nsecs
start_time                          1788800735.029348011 secs.nsecs
elapsed_time                        8.067105980 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-ffff9e09d177f000.max_read_ahead_whole_mb=4