== sanity test 248c: verify whole file read behavior ===== 19:05:22 (1763337922)
llite.lustre-ffff9119c8d7b000.read_ahead_stats=c
striped dir -i0 -c2 -H fnv_1a_64 /mnt/lustre/d248c.sanity
llite.lustre-ffff9119c8d7b000.max_read_ahead_whole_mb=64
whole file readahead of 64 MiB took 8.88119 seconds
llite.lustre-ffff9119c8d7b000.read_ahead_stats=
snapshot_time             1763337934.272034880 secs.nsecs
start_time                1763337924.859799590 secs.nsecs
elapsed_time              9.412235290 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-ffff9119c8d7b000.read_ahead_stats=clear
llite.lustre-ffff9119c8d7b000.max_read_ahead_whole_mb=8
non-whole file readahead of 64 MiB took 8.40147 seconds
llite.lustre-ffff9119c8d7b000.read_ahead_stats=
snapshot_time             1763337944.545704525 secs.nsecs
start_time                1763337934.284654493 secs.nsecs
elapsed_time              10.261050032 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-ffff9119c8d7b000.max_read_ahead_whole_mb=4