== sanity test 184c: Concurrent write and layout swap ==== 13:35:10 (1754415310) 67+0 records in 67+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 3.51054 s, 20.0 MB/s 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 1.14534 s, 20.1 MB/s ref file size: ref1(70254592), ref2(23068672) 4288+0 records in 4288+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 6.55426 s, 10.7 MB/s Copied 1294336 bytes before swapping layout...