== sanity test 184c: Concurrent write and layout swap ==== 14:45:11 (1777574711) 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 1.18621 s, 20.3 MB/s 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 2.11136 s, 19.9 MB/s ref file size: ref1(24117248), ref2(41943040) 1472+0 records in 1472+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 1.96362 s, 12.3 MB/s Copied 1638400 bytes before swapping layout...