== sanity test 184c: Concurrent write and layout swap ==== 18:17:11 (1788992231) 24+0 records in 24+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 3.42165 s, 7.4 MB/s 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 4.85147 s, 6.9 MB/s ref file size: ref1(25165824), ref2(33554432) 1536+0 records in 1536+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 7.11069 s, 3.5 MB/s Copied 360448 bytes before swapping layout...