== sanity test 184c: Concurrent write and layout swap ==== 11:50:32 (1789401032) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 4.55608 s, 10.1 MB/s 42+0 records in 42+0 records out 44040192 bytes (44 MB, 42 MiB) copied, 5.28288 s, 8.3 MB/s ref file size: ref1(46137344), ref2(44040192) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 8.54356 s, 5.4 MB/s Copied 901120 bytes before swapping layout...