== sanity test 184c: Concurrent write and layout swap ==== 05:40:42 (1790761242) 43+0 records in 43+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 6.55769 s, 6.9 MB/s 38+0 records in 38+0 records out 39845888 bytes (40 MB, 38 MiB) copied, 6.48109 s, 6.1 MB/s ref file size: ref1(45088768), ref2(39845888) 2752+0 records in 2752+0 records out 45088768 bytes (45 MB, 43 MiB) copied, 12.425 s, 3.6 MB/s Copied 425984 bytes before swapping layout...