== sanity test 248c: verify whole file read behavior ===== 23:40:35 (1790394035)
llite.lustre-ffff93ced289c800.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff93ced289c800.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 2.95563 seconds
llite.lustre-ffff93ced289c800.read_ahead_stats=
snapshot_time                       1790394039.290064202 secs.nsecs
start_time                          1790394036.143278680 secs.nsecs
elapsed_time                        3.146785522 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-ffff93ced289c800.read_ahead_stats=clear
llite.lustre-ffff93ced289c800.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.15956 seconds
llite.lustre-ffff93ced289c800.read_ahead_stats=
snapshot_time                       1790394043.040480471 secs.nsecs
start_time                          1790394039.296607487 secs.nsecs
elapsed_time                        3.743872984 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-ffff93ced289c800.max_read_ahead_whole_mb=4