== sanity test 184c: Concurrent write and layout swap ==== 17:47:33 (1783979253) 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 3.15045 s, 15.3 MB/s 35+0 records in 35+0 records out 36700160 bytes (37 MB, 35 MiB) copied, 2.24975 s, 16.3 MB/s ref file size: ref1(48234496), ref2(36700160) 2944+0 records in 2944+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 5.6055 s, 8.6 MB/s Copied 1310720 bytes before swapping layout...