== sanity test 184c: Concurrent write and layout swap ==== 11:08:32 (1787411312) 29+0 records in 29+0 records out 30408704 bytes (30 MB, 29 MiB) copied, 1.85009 s, 16.4 MB/s 36+0 records in 36+0 records out 37748736 bytes (38 MB, 36 MiB) copied, 2.33489 s, 16.2 MB/s ref file size: ref1(30408704), ref2(37748736) 1856+0 records in 1856+0 records out 30408704 bytes (30 MB, 29 MiB) copied, 3.49944 s, 8.7 MB/s Copied 1196032 bytes before swapping layout...