== sanity test 248c: verify whole file read behavior ===== 23:02:53 (1786935773)
llite.lustre-ffff8c810880b000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff8c810880b000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.36578 seconds
llite.lustre-ffff8c810880b000.read_ahead_stats=
snapshot_time                       1786935777.742416496 secs.nsecs
start_time                          1786935774.212719517 secs.nsecs
elapsed_time                        3.529696979 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-ffff8c810880b000.read_ahead_stats=clear
llite.lustre-ffff8c810880b000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.5799 seconds
llite.lustre-ffff8c810880b000.read_ahead_stats=
snapshot_time                       1786935781.852396730 secs.nsecs
start_time                          1786935777.747480872 secs.nsecs
elapsed_time                        4.104915858 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-ffff8c810880b000.max_read_ahead_whole_mb=4