== sanity test 184c: Concurrent write and layout swap ==== 20:31:05 (1780533065) 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 2.45651 s, 18.4 MB/s 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 1.29164 s, 18.7 MB/s ref file size: ref1(45088768), ref2(24117248) 2752+0 records in 2752+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 4.25501 s, 10.6 MB/s Copied 1490944 bytes before swapping layout...