== sanity test 248c: verify whole file read behavior ===== 13:29:29 (1788802169)
llite.lustre-ffff9190d944a000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff9190d944a000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.88472 seconds
llite.lustre-ffff9190d944a000.read_ahead_stats=
snapshot_time                       1788802179.119758746 secs.nsecs
start_time                          1788802171.429501469 secs.nsecs
elapsed_time                        7.690257277 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-ffff9190d944a000.read_ahead_stats=clear
llite.lustre-ffff9190d944a000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.39144 seconds
llite.lustre-ffff9190d944a000.read_ahead_stats=
snapshot_time                       1788802188.304099172 secs.nsecs
start_time                          1788802179.139022765 secs.nsecs
elapsed_time                        9.165076407 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-ffff9190d944a000.max_read_ahead_whole_mb=4