== sanity test 184c: Concurrent write and layout swap ==== 15:33:31 (1788809611) 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 3.32967 s, 13.5 MB/s 33+0 records in 33+0 records out 34603008 bytes (35 MB, 33 MiB) copied, 2.43569 s, 14.2 MB/s ref file size: ref1(45088768), ref2(34603008) 2752+0 records in 2752+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 5.38477 s, 8.4 MB/s Copied 1196032 bytes before swapping layout...