== sanity test 248c: verify whole file read behavior ===== 01:14:54 (1783142094)
llite.lustre-ffff893d8a185000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff893d8a185000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.87599 seconds
llite.lustre-ffff893d8a185000.read_ahead_stats=
snapshot_time                       1783142102.392118523 secs.nsecs
start_time                          1783142096.060024801 secs.nsecs
elapsed_time                        6.332093722 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-ffff893d8a185000.read_ahead_stats=clear
llite.lustre-ffff893d8a185000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.83494 seconds
llite.lustre-ffff893d8a185000.read_ahead_stats=
snapshot_time                       1783142109.016823426 secs.nsecs
start_time                          1783142102.409628372 secs.nsecs
elapsed_time                        6.607195054 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-ffff893d8a185000.max_read_ahead_whole_mb=4