== sanity test 184c: Concurrent write and layout swap ==== 13:35:15 (1787074515) 29+0 records in 29+0 records out 30408704 bytes (30 MB, 29 MiB) copied, 2.18581 s, 13.9 MB/s 42+0 records in 42+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 2.98355 s, 14.8 MB/s ref file size: ref1(30408704), ref2(44040192) 1856+0 records in 1856+0 records out 30408704 bytes (30 MB, 29 MiB) copied, 4.00171 s, 7.6 MB/s Copied 983040 bytes before swapping layout...