== sanity test 184c: Concurrent write and layout swap ==== 06:20:57 (1711102857) 25+0 records in 25+0 records out 26214400 bytes (26 MB) copied, 1.08923 s, 24.1 MB/s 63+0 records in 63+0 records out 66060288 bytes (66 MB) copied, 2.84834 s, 23.2 MB/s ref file size: ref1(26214400), ref2(66060288) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB) copied, 2.79086 s, 9.4 MB/s Copied 1507328 bytes before swapping layout...