== sanity test 184c: Concurrent write and layout swap ==== 02:52:20 (1782370340) 63+0 records in 63+0 records out 66060288 bytes (66 MB, 63 MiB) copied, 4.37085 s, 15.1 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.98821 s, 13.2 MB/s ref file size: ref1(66060288), ref2(26214400) 4032+0 records in 4032+0 records out 66060288 bytes (66 MB, 63 MiB) copied, 7.64745 s, 8.6 MB/s Copied 1327104 bytes before swapping layout...