== sanity test 184c: Concurrent write and layout swap ==== 12:13:34 (1761322414) 28+0 records in 28+0 records out 29360128 bytes (29 MB, 28 MiB) copied, 0.640342 s, 45.9 MB/s 24+0 records in 24+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 0.509015 s, 49.4 MB/s ref file size: ref1(29360128), ref2(25165824) 1792+0 records in 1792+0 records out 29360128 bytes (29 MB, 28 MiB) copied, 0.701074 s, 41.9 MB/s Copied 5029888 bytes before swapping layout...