== sanity test 184c: Concurrent write and layout swap ==== 13:19:48 (1721409588) 59+0 records in 59+0 records out 61865984 bytes (62 MB) copied, 0.887896 s, 69.7 MB/s 22+0 records in 22+0 records out 23068672 bytes (23 MB) copied, 0.318892 s, 72.3 MB/s ref file size: ref1(61865984), ref2(23068672) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB) copied, 0.884413 s, 70.0 MB/s Copied 7897088 bytes before swapping layout...