== sanity test 184c: Concurrent write and layout swap ==== 18:37:03 (1790894223) 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 6.5403 s, 7.4 MB/s 39+0 records in 39+0 records out 40894464 bytes (41 MB, 39 MiB) copied, 5.51362 s, 7.4 MB/s ref file size: ref1(48234496), ref2(40894464) 2944+0 records in 2944+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 11.8254 s, 4.1 MB/s Copied 376832 bytes before swapping layout...