== sanity test 184c: Concurrent write and layout swap ==== 14:53:00 (1779216780) 59+0 records in 59+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 3.59039 s, 17.2 MB/s 56+0 records in 56+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 3.34904 s, 17.5 MB/s ref file size: ref1(61865984), ref2(58720256) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 5.68916 s, 10.9 MB/s Copied 1032192 bytes before swapping layout...