== sanity test 248c: verify whole file read behavior ===== 10:13:45 (1790950425)
llite.lustre-ffff9059674a1000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff9059674a1000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 7.99482 seconds
llite.lustre-ffff9059674a1000.read_ahead_stats=
snapshot_time                       1790950436.123445729 secs.nsecs
start_time                          1790950427.294906191 secs.nsecs
elapsed_time                        8.828539538 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-ffff9059674a1000.read_ahead_stats=clear
llite.lustre-ffff9059674a1000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.19091 seconds
llite.lustre-ffff9059674a1000.read_ahead_stats=
snapshot_time                       1790950444.658069919 secs.nsecs
start_time                          1790950436.147700469 secs.nsecs
elapsed_time                        8.510369450 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-ffff9059674a1000.max_read_ahead_whole_mb=4