== sanity test 184c: Concurrent write and layout swap ==== 07:27:16 (1752492436) 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 2.82494 s, 17.1 MB/s 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 1.23091 s, 18.7 MB/s ref file size: ref1(48234496), ref2(23068672) 2944+0 records in 2944+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 5.52548 s, 8.7 MB/s Copied 1114112 bytes before swapping layout...