== sanity test 184c: Concurrent write and layout swap ==== 09:01:09 (1749128469) 37+0 records in 37+0 records out 38797312 bytes (39 MB) copied, 1.11282 s, 34.9 MB/s 62+0 records in 62+0 records out 65011712 bytes (65 MB) copied, 1.94889 s, 33.4 MB/s ref file size: ref1(38797312), ref2(65011712) 2368+0 records in 2368+0 records out 38797312 bytes (39 MB) copied, 2.62999 s, 14.8 MB/s Copied 2113536 bytes before swapping layout...