== sanity test 184c: Concurrent write and layout swap ==== 21:39:30 (1790732370) 33+0 records in 33+0 records out 34603008 bytes (35 MB, 33 MiB) copied, 5.33219 s, 6.5 MB/s 22+0 records in 22+0 records out 23068672 bytes (23 MB, 22 MiB) copied, 3.30509 s, 7.0 MB/s ref file size: ref1(34603008), ref2(23068672) 2112+0 records in 2112+0 records out 34603008 bytes (35 MB, 33 MiB) copied, 9.75719 s, 3.5 MB/s Copied 475136 bytes before swapping layout...