== sanity test 248c: verify whole file read behavior ===== 01:43:51 (1789710231)
llite.lustre-ffff933f72609800.read_ahead_stats=c
striped dir -i0 -c2 -H crush2  /mnt/lustre/d248c.sanity
llite.lustre-ffff933f72609800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.0912 seconds
llite.lustre-ffff933f72609800.read_ahead_stats=
snapshot_time                       1789710235.038234479 secs.nsecs
start_time                          1789710231.750743950 secs.nsecs
elapsed_time                        3.287490529 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-ffff933f72609800.read_ahead_stats=clear
llite.lustre-ffff933f72609800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.62063 seconds
llite.lustre-ffff933f72609800.read_ahead_stats=
snapshot_time                       1789710239.263364175 secs.nsecs
start_time                          1789710235.044545972 secs.nsecs
elapsed_time                        4.218818203 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-ffff933f72609800.max_read_ahead_whole_mb=4