== sanity test 248c: verify whole file read behavior ===== 05:23:06 (1784280186)
llite.lustre-ffff919243054000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff919243054000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.30938 seconds
llite.lustre-ffff919243054000.read_ahead_stats=
snapshot_time                       1784280192.634229334 secs.nsecs
start_time                          1784280187.913029130 secs.nsecs
elapsed_time                        4.721200204 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-ffff919243054000.read_ahead_stats=clear
llite.lustre-ffff919243054000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.93299 seconds
llite.lustre-ffff919243054000.read_ahead_stats=
snapshot_time                       1784280197.805022125 secs.nsecs
start_time                          1784280192.656275516 secs.nsecs
elapsed_time                        5.148746609 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-ffff919243054000.max_read_ahead_whole_mb=4