== sanity test 184c: Concurrent write and layout swap ==== 21:41:13 (1773625273) 68+0 records in 68+0 records out 71303168 bytes (71 MB, 68 MiB) copied, 3.92091 s, 18.2 MB/s 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 2.00968 s, 16.7 MB/s ref file size: ref1(71303168), ref2(33554432) 4352+0 records in 4352+0 records out 71303168 bytes (71 MB, 68 MiB) copied, 7.67925 s, 9.3 MB/s Copied 1130496 bytes before swapping layout...