== sanity test 184c: Concurrent write and layout swap ==== 01:10:03 (1789362603) 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 2.16625 s, 15.5 MB/s 55+0 records in 55+0 records out 57671680 bytes (58 MB, 55 MiB) copied, 3.92159 s, 14.7 MB/s ref file size: ref1(33554432), ref2(57671680) 2048+0 records in 2048+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 3.96174 s, 8.5 MB/s Copied 1114112 bytes before swapping layout...