== sanity test 184c: Concurrent write and layout swap ==== 23:41:26 (1788406886) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 2.30937 s, 11.4 MB/s 38+0 records in 38+0 records out 39845888 bytes (40 MB, 38 MiB) copied, 2.79902 s, 14.2 MB/s ref file size: ref1(26214400), ref2(39845888) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 3.46684 s, 7.6 MB/s Copied 573440 bytes before swapping layout...