== sanity test 101d: file read with and without read-ahead enabled ========================================================== 20:32:00 (1777422720)
Create test file /mnt/lustre/f101d.sanity size 80M, 6941M free
80+0 records in
80+0 records out
83886080 bytes (84 MB, 80 MiB) copied, 5.06933 s, 16.5 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 '84.1265'
read-ahead enabled time read '6.95188'
Waiting for MDT destroys to complete