== sanity test 248c: verify whole file read behavior ===== 17:25:04 (1790976304)
llite.lustre-ffff960307164800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff960307164800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.20353 seconds
llite.lustre-ffff960307164800.read_ahead_stats=
snapshot_time                       1790976312.184939461 secs.nsecs
start_time                          1790976306.437626118 secs.nsecs
elapsed_time                        5.747313343 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-ffff960307164800.read_ahead_stats=clear
llite.lustre-ffff960307164800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 5.8481 seconds
llite.lustre-ffff960307164800.read_ahead_stats=
snapshot_time                       1790976319.648968933 secs.nsecs
start_time                          1790976312.212429956 secs.nsecs
elapsed_time                        7.436538977 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-ffff960307164800.max_read_ahead_whole_mb=4