== sanity test 248c: verify whole file read behavior ===== 16:46:51 (1787604411)
llite.lustre-ffff96af5259b800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff96af5259b800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.4002 seconds
llite.lustre-ffff96af5259b800.read_ahead_stats=
snapshot_time                       1787604420.140886069 secs.nsecs
start_time                          1787604413.023519086 secs.nsecs
elapsed_time                        7.117366983 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-ffff96af5259b800.read_ahead_stats=clear
llite.lustre-ffff96af5259b800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.80251 seconds
llite.lustre-ffff96af5259b800.read_ahead_stats=
snapshot_time                       1787604428.516723299 secs.nsecs
start_time                          1787604420.161086997 secs.nsecs
elapsed_time                        8.355636302 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-ffff96af5259b800.max_read_ahead_whole_mb=4