== sanity test 184c: Concurrent write and layout swap ==== 13:40:35 (1788630035) 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 5.08494 s, 6.6 MB/s 23+0 records in 23+0 records out 24117248 bytes (24 MB, 23 MiB) copied, 3.67542 s, 6.6 MB/s ref file size: ref1(33554432), ref2(24117248) 2048+0 records in 2048+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 8.56062 s, 3.9 MB/s Copied 819200 bytes before swapping layout...