== sanity test 184c: Concurrent write and layout swap ==== 07:42:41 (1786362161) 29+0 records in 29+0 records out 30408704 bytes (30 MB, 29 MiB) copied, 1.48188 s, 20.5 MB/s 67+0 records in 67+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 3.45069 s, 20.4 MB/s ref file size: ref1(30408704), ref2(70254592) 1856+0 records in 1856+0 records out 30408704 bytes (30 MB, 29 MiB) copied, 2.91625 s, 10.4 MB/s Copied 1359872 bytes before swapping layout...