== sanity test 184c: Concurrent write and layout swap ==== 02:20:07 (1746166807) 25+0 records in 25+0 records out 26214400 bytes (26 MB) copied, 1.26478 s, 20.7 MB/s 49+0 records in 49+0 records out 51380224 bytes (51 MB) copied, 2.18006 s, 23.6 MB/s ref file size: ref1(26214400), ref2(51380224) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB) copied, 3.06372 s, 8.6 MB/s Copied 1032192 bytes before swapping layout...