== sanity test 248c: verify whole file read behavior ===== 00:36:30 (1788669390)
llite.lustre-ffff9ddb1062e000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9ddb1062e000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.73359 seconds
llite.lustre-ffff9ddb1062e000.read_ahead_stats=
snapshot_time                       1788669400.913552083 secs.nsecs
start_time                          1788669392.237015875 secs.nsecs
elapsed_time                        8.676536208 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-ffff9ddb1062e000.read_ahead_stats=clear
llite.lustre-ffff9ddb1062e000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.64375 seconds
llite.lustre-ffff9ddb1062e000.read_ahead_stats=
snapshot_time                       1788669411.682077628 secs.nsecs
start_time                          1788669400.930748328 secs.nsecs
elapsed_time                        10.751329300 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-ffff9ddb1062e000.max_read_ahead_whole_mb=4