== sanity test 248c: verify whole file read behavior ===== 10:02:12 (1789135332)
llite.lustre-ffff9c9dc866f800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff9c9dc866f800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.83592 seconds
llite.lustre-ffff9c9dc866f800.read_ahead_stats=
snapshot_time                       1789135342.906829640 secs.nsecs
start_time                          1789135335.125960169 secs.nsecs
elapsed_time                        7.780869471 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-ffff9c9dc866f800.read_ahead_stats=clear
llite.lustre-ffff9c9dc866f800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.88146 seconds
llite.lustre-ffff9c9dc866f800.read_ahead_stats=
snapshot_time                       1789135352.106857969 secs.nsecs
start_time                          1789135342.933407755 secs.nsecs
elapsed_time                        9.173450214 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-ffff9c9dc866f800.max_read_ahead_whole_mb=4