== sanity test 248c: verify whole file read behavior ===== 11:58:50 (1788623930)
llite.lustre-ffff8e3287dd1000.read_ahead_stats=c
striped dir -i0 -c2 -H crush2  /mnt/lustre/d248c.sanity
llite.lustre-ffff8e3287dd1000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.51306 seconds
llite.lustre-ffff8e3287dd1000.read_ahead_stats=
snapshot_time                       1788623939.744892730 secs.nsecs
start_time                          1788623932.586753693 secs.nsecs
elapsed_time                        7.158139037 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-ffff8e3287dd1000.read_ahead_stats=clear
llite.lustre-ffff8e3287dd1000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.99909 seconds
llite.lustre-ffff8e3287dd1000.read_ahead_stats=
snapshot_time                       1788623947.813472340 secs.nsecs
start_time                          1788623939.763799482 secs.nsecs
elapsed_time                        8.049672858 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-ffff8e3287dd1000.max_read_ahead_whole_mb=4