== sanity test 248c: verify whole file read behavior ===== 05:01:23 (1787389283)
llite.lustre-ffff984086405000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff984086405000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 8.00742 seconds
llite.lustre-ffff984086405000.read_ahead_stats=
snapshot_time                       1787389295.088940030 secs.nsecs
start_time                          1787389286.273098516 secs.nsecs
elapsed_time                        8.815841514 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-ffff984086405000.read_ahead_stats=clear
llite.lustre-ffff984086405000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.5006 seconds
llite.lustre-ffff984086405000.read_ahead_stats=
snapshot_time                       1787389304.482082379 secs.nsecs
start_time                          1787389295.107890735 secs.nsecs
elapsed_time                        9.374191644 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-ffff984086405000.max_read_ahead_whole_mb=4