== sanity test 184c: Concurrent write and layout swap ==== 16:30:43 (1788553843) 58+0 records in 58+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 11.493 s, 5.3 MB/s 67+0 records in 67+0 records out 70254592 bytes (70 MB, 67 MiB) copied, 11.8441 s, 5.9 MB/s ref file size: ref1(60817408), ref2(70254592) 3712+0 records in 3712+0 records out 60817408 bytes (61 MB, 58 MiB) copied, 20.6436 s, 2.9 MB/s Copied 393216 bytes before swapping layout...