== sanity test 101d: file read with and without read-ahead enabled ========================================================== 20:01:45 (1718928105)
Create test file /mnt/lustre/f101d.sanity size 80M, 7141M free
80+0 records in
80+0 records out
83886080 bytes (84 MB) copied, 0.473129 s, 177 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 21.8983
read-ahead enabled time read 0.488677
sleep 5 for ZFS zfs
sleep 5 for ZFS zfs
Waiting for MDT destroys to complete