== sanity test 184c: Concurrent write and layout swap ==== 14:49:14 (1775846954) 59+0 records in 59+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 4.06198 s, 15.2 MB/s 59+0 records in 59+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 4.3599 s, 14.2 MB/s ref file size: ref1(61865984), ref2(61865984) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 7.65845 s, 8.1 MB/s Copied 1130496 bytes before swapping layout...