== sanity test 248c: verify whole file read behavior ===== 01:05:05 (1790744705)
llite.lustre-ffff8ed9511da800.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff8ed9511da800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 6.36791 seconds
llite.lustre-ffff8ed9511da800.read_ahead_stats=
snapshot_time                       1790744714.444297579 secs.nsecs
start_time                          1790744707.414981390 secs.nsecs
elapsed_time                        7.029316189 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-ffff8ed9511da800.read_ahead_stats=clear
llite.lustre-ffff8ed9511da800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 6.89091 seconds
llite.lustre-ffff8ed9511da800.read_ahead_stats=
snapshot_time                       1790744723.280162439 secs.nsecs
start_time                          1790744714.467735374 secs.nsecs
elapsed_time                        8.812427065 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-ffff8ed9511da800.max_read_ahead_whole_mb=4