== sanity test 184c: Concurrent write and layout swap ==== 00:12:25 (1780978345) 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 2.90699 s, 16.6 MB/s 38+0 records in 38+0 records out 39845888 bytes (40 MB, 38 MiB) copied, 2.35397 s, 16.9 MB/s ref file size: ref1(48234496), ref2(39845888) 2944+0 records in 2944+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 3.85415 s, 12.5 MB/s Copied 1638400 bytes before swapping layout...