== sanity test 184c: Concurrent write and layout swap ==== 11:17:48 (1787411868) 31+0 records in 31+0 records out 32505856 bytes (33 MB, 31 MiB) copied, 1.83432 s, 17.7 MB/s 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 3.08576 s, 15.6 MB/s ref file size: ref1(32505856), ref2(48234496) 1984+0 records in 1984+0 records out 32505856 bytes (33 MB, 31 MiB) copied, 3.53071 s, 9.2 MB/s Copied 1245184 bytes before swapping layout...