== sanity test 184c: Concurrent write and layout swap ==== 11:38:42 (1760456322) 56+0 records in 56+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 0.858435 s, 68.4 MB/s 61+0 records in 61+0 records out 63963136 bytes (64 MB, 61 MiB) copied, 0.908856 s, 70.4 MB/s ref file size: ref1(58720256), ref2(63963136) 3584+0 records in 3584+0 records out 58720256 bytes (59 MB, 56 MiB) copied, 0.853263 s, 68.8 MB/s Copied 7700480 bytes before swapping layout...