== sanity test 184c: Concurrent write and layout swap ==== 04:53:30 (1769766810) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 2.22741 s, 20.7 MB/s 25+0 records in 25+0 records out 26214400 bytes (26 MB, 25 MiB) copied, 1.3297 s, 19.7 MB/s ref file size: ref1(46137344), ref2(26214400) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 4.42768 s, 10.4 MB/s Copied 1327104 bytes before swapping layout...