== sanity test 101d: file read with and without read-ahead enabled ========================================================== 12:36:23 (1776184583)
Create test file /mnt/lustre/f101d.sanity size 80M, 6949M free
80+0 records in
80+0 records out
83886080 bytes (84 MB, 80 MiB) copied, 2.53992 s, 33.0 MB/s
Cancel LRU locks on lustre client to flush the client cache
Disable read-ahead
0
Reading the test file /mnt/lustre/f101d.sanity with read-ahead disabled
Cancel LRU locks on lustre client to flush the client cache
Enable read-ahead with 40MB
Reading the test file /mnt/lustre/f101d.sanity with read-ahead enabled
read-ahead disabled time read 154.635
read-ahead enabled time read 2.25145
Waiting for MDT destroys to complete