== sanity test 184c: Concurrent write and layout swap ==== 12:57:24 (1787849844) 63+0 records in 63+0 records out 66060288 bytes (66 MB, 63 MiB) copied, 7.06495 s, 9.4 MB/s 67+0 records in 67+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 7.65704 s, 9.2 MB/s ref file size: ref1(66060288), ref2(70254592) 4032+0 records in 4032+0 records out 66060288 bytes (66 MB, 63 MiB) copied, 14.989 s, 4.4 MB/s Copied 507904 bytes before swapping layout...