== sanity test 248c: verify whole file read behavior ===== 21:59:47 (1788919187)
llite.lustre-ffff8a6e520e4000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64  /mnt/lustre/d248c.sanity
llite.lustre-ffff8a6e520e4000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 5.85661 seconds
llite.lustre-ffff8a6e520e4000.read_ahead_stats=
snapshot_time                       1788919197.002643269 secs.nsecs
start_time                          1788919190.172908830 secs.nsecs
elapsed_time                        6.829734439 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-ffff8a6e520e4000.read_ahead_stats=clear
llite.lustre-ffff8a6e520e4000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 7.16377 seconds
llite.lustre-ffff8a6e520e4000.read_ahead_stats=
snapshot_time                       1788919206.102969778 secs.nsecs
start_time                          1788919197.026172571 secs.nsecs
elapsed_time                        9.076797207 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-ffff8a6e520e4000.max_read_ahead_whole_mb=4