== sanity test 248c: verify whole file read behavior ===== 23:58:18 (1790740698)
llite.lustre-ffff99a204e07800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff99a204e07800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.36788 seconds
llite.lustre-ffff99a204e07800.read_ahead_stats=
snapshot_time                       1790740705.661297515 secs.nsecs
start_time                          1790740699.733379727 secs.nsecs
elapsed_time                        5.927917788 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-ffff99a204e07800.read_ahead_stats=clear
llite.lustre-ffff99a204e07800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.90663 seconds
llite.lustre-ffff99a204e07800.read_ahead_stats=
snapshot_time                       1790740713.526583035 secs.nsecs
start_time                          1790740705.682939426 secs.nsecs
elapsed_time                        7.843643609 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-ffff99a204e07800.max_read_ahead_whole_mb=4