== sanity test 184c: Concurrent write and layout swap ==== 14:17:20 (1788373040) 24+0 records in 24+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 1.37437 s, 18.3 MB/s 33+0 records in 33+0 records out 34603008 bytes (35 MB, 33 MiB) copied, 1.87439 s, 18.5 MB/s ref file size: ref1(25165824), ref2(34603008) 1536+0 records in 1536+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 2.28253 s, 11.0 MB/s Copied 1523712 bytes before swapping layout...