== sanity test 184c: Concurrent write and layout swap ==== 15:10:28 (1726859428) 26+0 records in 26+0 records out 27262976 bytes (27 MB) copied, 0.731069 s, 37.3 MB/s 29+0 records in 29+0 records out 30408704 bytes (30 MB) copied, 1.15034 s, 26.4 MB/s ref file size: ref1(27262976), ref2(30408704) 1664+0 records in 1664+0 records out 27262976 bytes (27 MB) copied, 1.66025 s, 16.4 MB/s Copied 1769472 bytes before swapping layout...