== sanity test 184c: Concurrent write and layout swap ==== 06:29:38 (1788344978) 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 2.79319 s, 17.3 MB/s 38+0 records in 38+0 records out 39845888 bytes (40 MB, 38 MiB) copied, 2.32221 s, 17.2 MB/s ref file size: ref1(48234496), ref2(39845888) 2944+0 records in 2944+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 5.01871 s, 9.6 MB/s Copied 1409024 bytes before swapping layout...