== sanity test 184c: Concurrent write and layout swap ==== 15:25:00 (1772483100) 57+0 records in 57+0 records out 59768832 bytes (60 MB, 57 MiB) copied, 3.37129 s, 17.7 MB/s 68+0 records in 68+0 records out 71303168 bytes (71 MB, 68 MiB) copied, 3.8185 s, 18.7 MB/s ref file size: ref1(59768832), ref2(71303168) 3648+0 records in 3648+0 records out 59768832 bytes (60 MB, 57 MiB) copied, 5.91593 s, 10.1 MB/s Copied 1441792 bytes before swapping layout...