== sanity test 184c: Concurrent write and layout swap ==== 19:49:50 (1746143390) 21+0 records in 21+0 records out 22020096 bytes (22 MB) copied, 1.75828 s, 12.5 MB/s 62+0 records in 62+0 records out 65011712 bytes (65 MB) copied, 5.66729 s, 11.5 MB/s ref file size: ref1(22020096), ref2(65011712) 1344+0 records in 1344+0 records out 22020096 bytes (22 MB) copied, 4.42262 s, 5.0 MB/s Copied 1392640 bytes before swapping layout...