== sanity test 248c: verify whole file read behavior ===== 10:45:31 (1786805131)
llite.lustre-ffff8bde449a3800.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff8bde449a3800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.29465 seconds
llite.lustre-ffff8bde449a3800.read_ahead_stats=
snapshot_time                       1786805140.780052838 secs.nsecs
start_time                          1786805133.814562063 secs.nsecs
elapsed_time                        6.965490775 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-ffff8bde449a3800.read_ahead_stats=clear
llite.lustre-ffff8bde449a3800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.30472 seconds
llite.lustre-ffff8bde449a3800.read_ahead_stats=
snapshot_time                       1786805148.762155154 secs.nsecs
start_time                          1786805140.818960546 secs.nsecs
elapsed_time                        7.943194608 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-ffff8bde449a3800.max_read_ahead_whole_mb=4