== sanity test 248c: verify whole file read behavior ===== 15:34:54 (1787859294)
llite.lustre-ffff8a1183ca7000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff8a1183ca7000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.22375 seconds
llite.lustre-ffff8a1183ca7000.read_ahead_stats=
snapshot_time                       1787859303.175984468 secs.nsecs
start_time                          1787859296.958849556 secs.nsecs
elapsed_time                        6.217134912 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-ffff8a1183ca7000.read_ahead_stats=clear
llite.lustre-ffff8a1183ca7000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.89804 seconds
llite.lustre-ffff8a1183ca7000.read_ahead_stats=
snapshot_time                       1787859313.111407006 secs.nsecs
start_time                          1787859303.188850960 secs.nsecs
elapsed_time                        9.922556046 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-ffff8a1183ca7000.max_read_ahead_whole_mb=4