== sanity test 248c: verify whole file read behavior ===== 14:20:46 (1783966846)
llite.lustre-ffff976a308a0000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff976a308a0000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.91707 seconds
llite.lustre-ffff976a308a0000.read_ahead_stats=
snapshot_time                       1783966857.587684354 secs.nsecs
start_time                          1783966849.115590517 secs.nsecs
elapsed_time                        8.472093837 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-ffff976a308a0000.read_ahead_stats=clear
llite.lustre-ffff976a308a0000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.19613 seconds
llite.lustre-ffff976a308a0000.read_ahead_stats=
snapshot_time                       1783966868.040713589 secs.nsecs
start_time                          1783966857.602675132 secs.nsecs
elapsed_time                        10.438038457 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-ffff976a308a0000.max_read_ahead_whole_mb=4