== sanity test 248c: verify whole file read behavior ===== 21:20:46 (1781227246)
llite.lustre-ffff9f250794d000.read_ahead_stats=c
striped dir -i0 -c2 -H all_char  /mnt/lustre/d248c.sanity
llite.lustre-ffff9f250794d000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 3.06035 seconds
llite.lustre-ffff9f250794d000.read_ahead_stats=
snapshot_time             1781227250.676678194 secs.nsecs
start_time                1781227247.343896197 secs.nsecs
elapsed_time              3.332781997 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-ffff9f250794d000.read_ahead_stats=clear
llite.lustre-ffff9f250794d000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 3.06888 seconds
llite.lustre-ffff9f250794d000.read_ahead_stats=
snapshot_time             1781227254.461522594 secs.nsecs
start_time                1781227250.683544509 secs.nsecs
elapsed_time              3.777978085 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-ffff9f250794d000.max_read_ahead_whole_mb=4