== sanity test 184c: Concurrent write and layout swap ==== 11:45:10 (1789400710) 59+0 records in 59+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 8.26899 s, 7.5 MB/s 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 5.95354 s, 7.6 MB/s ref file size: ref1(61865984), ref2(45088768) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 18.6863 s, 3.3 MB/s Copied 933888 bytes before swapping layout...