== sanity test 184c: Concurrent write and layout swap ==== 02:47:54 (1734680874) 45+0 records in 45+0 records out 47185920 bytes (47 MB) copied, 3.25217 s, 14.5 MB/s 21+0 records in 21+0 records out 22020096 bytes (22 MB) copied, 1.72194 s, 12.8 MB/s ref file size: ref1(47185920), ref2(22020096) 2880+0 records in 2880+0 records out 47185920 bytes (47 MB) copied, 5.33742 s, 8.8 MB/s Copied 1179648 bytes before swapping layout...