== sanity test 184c: Concurrent write and layout swap ==== 01:11:35 (1784092295) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 3.31532 s, 13.9 MB/s 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 3.41459 s, 14.1 MB/s ref file size: ref1(46137344), ref2(48234496) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 4.96266 s, 9.3 MB/s Copied 1179648 bytes before swapping layout...