== sanity test 184c: Concurrent write and layout swap ==== 13:14:11 (1786036451) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 6.58147 s, 7.0 MB/s 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 3.265 s, 7.4 MB/s ref file size: ref1(46137344), ref2(24117248) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 15.8102 s, 2.9 MB/s Copied 638976 bytes before swapping layout...