== sanity test 184c: Concurrent write and layout swap ==== 05:24:42 (1790760282) 21+0 records in 21+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 3.00509 s, 7.3 MB/s 30+0 records in 30+0 records out 31457280 bytes (31 MB, 30 MiB) copied, 4.2463 s, 7.4 MB/s ref file size: ref1(22020096), ref2(31457280) 1344+0 records in 1344+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 7.96185 s, 2.8 MB/s Copied 524288 bytes before swapping layout...