== sanity-pfl test 19c: Test self-extending layout seeking behavior ========================================================== 00:10:21 (1721880621) 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 0.0087972 s, 119 MB/s 1+0 records in 1+0 records out 1048576 bytes (1.0 MB) copied, 0.009444 s, 111 MB/s