== sanity test 248c: verify whole file read behavior ===== 06:29:29 (1787567369)
llite.lustre-ffff9d486b388000.read_ahead_stats=c
striped dir -i0 -c2 -H crush2  /mnt/lustre/d248c.sanity
llite.lustre-ffff9d486b388000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.98981 seconds
llite.lustre-ffff9d486b388000.read_ahead_stats=
snapshot_time                       1787567379.115803987 secs.nsecs
start_time                          1787567371.522885460 secs.nsecs
elapsed_time                        7.592918527 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-ffff9d486b388000.read_ahead_stats=clear
llite.lustre-ffff9d486b388000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.83558 seconds
llite.lustre-ffff9d486b388000.read_ahead_stats=
snapshot_time                       1787567388.233390032 secs.nsecs
start_time                          1787567379.146780845 secs.nsecs
elapsed_time                        9.086609187 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-ffff9d486b388000.max_read_ahead_whole_mb=4