== sanity test 184c: Concurrent write and layout swap ==== 18:44:27 (1789080267) 59+0 records in 59+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 6.88286 s, 9.0 MB/s 63+0 records in 63+0 records out 66060288 bytes (66 MB, 63 MiB) copied, 10.0323 s, 6.6 MB/s ref file size: ref1(61865984), ref2(66060288) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 17.6333 s, 3.5 MB/s Copied 638976 bytes before swapping layout...