== sanity test 184c: Concurrent write and layout swap ==== 09:00:59 (1786194059) 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.41637 s, 18.5 MB/s 65+0 records in 65+0 records out 68157440 bytes (68 MB, 65 MiB) copied, 3.42178 s, 19.9 MB/s ref file size: ref1(26214400), ref2(68157440) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 2.43439 s, 10.8 MB/s Copied 1163264 bytes before swapping layout...