== sanity test 184c: Concurrent write and layout swap ==== 17:57:06 (1782770226) 38+0 records in 38+0 records out 39845888 bytes (40 MB, 38 MiB) copied, 2.5329 s, 15.7 MB/s 47+0 records in 47+0 records out 49283072 bytes (49 MB, 47 MiB) copied, 3.00039 s, 16.4 MB/s ref file size: ref1(39845888), ref2(49283072) 2432+0 records in 2432+0 records out 39845888 bytes (40 MB, 38 MiB) copied, 4.15757 s, 9.6 MB/s Copied 1409024 bytes before swapping layout...