== sanity test 184c: Concurrent write and layout swap ==== 10:46:19 (1789656379) 59+0 records in 59+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 10.2208 s, 6.1 MB/s 24+0 records in 24+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 3.2481 s, 7.7 MB/s ref file size: ref1(61865984), ref2(25165824) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 20.0715 s, 3.1 MB/s Copied 573440 bytes before swapping layout...