== sanity test 184c: Concurrent write and layout swap ==== 04:21:23 (1722241283) 25+0 records in 25+0 records out 26214400 bytes (26 MB) copied, 0.370449 s, 70.8 MB/s 58+0 records in 58+0 records out 60817408 bytes (61 MB) copied, 0.90385 s, 67.3 MB/s ref file size: ref1(26214400), ref2(60817408) 1600+0 records in 1600+0 records out 26214400 bytes (26 MB) copied, 0.4235 s, 61.9 MB/s Copied 6930432 bytes before swapping layout...