== sanity test 248c: verify whole file read behavior ===== 17:39:49 (1787607589)
llite.lustre-ffff9243f193c000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff9243f193c000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.32595 seconds
llite.lustre-ffff9243f193c000.read_ahead_stats=
snapshot_time                       1787607598.149363496 secs.nsecs
start_time                          1787607591.059969268 secs.nsecs
elapsed_time                        7.089394228 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-ffff9243f193c000.read_ahead_stats=clear
llite.lustre-ffff9243f193c000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.67428 seconds
llite.lustre-ffff9243f193c000.read_ahead_stats=
snapshot_time                       1787607605.229553161 secs.nsecs
start_time                          1787607598.166494516 secs.nsecs
elapsed_time                        7.063058645 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-ffff9243f193c000.max_read_ahead_whole_mb=4