== sanity test 184c: Concurrent write and layout swap ==== 22:57:27 (1787453847) 42+0 records in 42+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 8.63082 s, 5.1 MB/s 30+0 records in 30+0 records out 31457280 bytes (31 MB, 30 MiB) copied, 5.67001 s, 5.5 MB/s ref file size: ref1(44040192), ref2(31457280) 2688+0 records in 2688+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 12.7022 s, 3.5 MB/s Copied 638976 bytes before swapping layout...