== sanity test 184c: Concurrent write and layout swap ==== 14:12:52 (1731352372) 24+0 records in 24+0 records out 25165824 bytes (25 MB) copied, 0.838713 s, 30.0 MB/s 20+0 records in 20+0 records out 20971520 bytes (21 MB) copied, 0.893174 s, 23.5 MB/s ref file size: ref1(25165824), ref2(20971520) 1536+0 records in 1536+0 records out 25165824 bytes (25 MB) copied, 1.87186 s, 13.4 MB/s Copied 655360 bytes before swapping layout...