== sanity test 248c: verify whole file read behavior ===== 23:19:38 (1763353178)
llite.lustre-ffffa02a069ba000.read_ahead_stats=c
striped dir -i0 -c2 -H crush /mnt/lustre/d248c.sanity
llite.lustre-ffffa02a069ba000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 4.49531 seconds
llite.lustre-ffffa02a069ba000.read_ahead_stats=
snapshot_time             1763353184.021194464 secs.nsecs
start_time                1763353179.244315650 secs.nsecs
elapsed_time              4.776878814 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-ffffa02a069ba000.read_ahead_stats=clear
llite.lustre-ffffa02a069ba000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 4.60857 seconds
llite.lustre-ffffa02a069ba000.read_ahead_stats=
snapshot_time             1763353189.469424861 secs.nsecs
start_time                1763353184.029604118 secs.nsecs
elapsed_time              5.439820743 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-ffffa02a069ba000.max_read_ahead_whole_mb=4