== sanity test 184c: Concurrent write and layout swap ==== 06:59:05 (1734436745) 35+0 records in 35+0 records out 36700160 bytes (37 MB) copied, 1.12159 s, 32.7 MB/s 39+0 records in 39+0 records out 40894464 bytes (41 MB) copied, 1.24143 s, 32.9 MB/s ref file size: ref1(36700160), ref2(40894464) 2240+0 records in 2240+0 records out 36700160 bytes (37 MB) copied, 2.32923 s, 15.8 MB/s Copied 2129920 bytes before swapping layout...