== sanity test 184c: Concurrent write and layout swap ==== 12:56:20 (1789318580) 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 1.30882 s, 17.6 MB/s 28+0 records in 28+0 records out 29360128 bytes (29 MB, 28 MiB) copied, 1.6625 s, 17.7 MB/s ref file size: ref1(23068672), ref2(29360128) 1408+0 records in 1408+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 2.17146 s, 10.6 MB/s Copied 1310720 bytes before swapping layout...