== sanity test 184c: Concurrent write and layout swap ==== 04:51:48 (1787129508) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 3.73128 s, 7.0 MB/s 55+0 records in 55+0 records out 57671680 bytes (58 MB, 55 MiB) copied, 9.2854 s, 6.2 MB/s ref file size: ref1(26214400), ref2(57671680) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 8.66511 s, 3.0 MB/s Copied 606208 bytes before swapping layout...