== sanity test 101d: file read with and without read-ahead enabled ========================================================== 04:53:09 (1743497589)
Create test file /mnt/lustre/f101d.sanity size 80M, 7040M free
80+0 records in
80+0 records out
83886080 bytes (84 MB, 80 MiB) copied, 14.5542 s, 5.8 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 '244.327'
read-ahead enabled time read '83.2156'
Waiting for MDT destroys to complete
/mnt/lustre-ost1: 199 MiB (208691200 bytes) trimmed
/mnt/lustre-ost2: 119.2 MiB (125030400 bytes) trimmed