== sanity test 184c: Concurrent write and layout swap ==== 02:14:00 (1790748840) 68+0 records in 68+0 records out 71303168 bytes (71 MB, 68 MiB) copied, 8.83277 s, 8.1 MB/s 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 4.11222 s, 8.2 MB/s ref file size: ref1(71303168), ref2(33554432) 4352+0 records in 4352+0 records out 71303168 bytes (71 MB, 68 MiB) copied, 18.2127 s, 3.9 MB/s Copied 475136 bytes before swapping layout...