== sanity test 184c: Concurrent write and layout swap ==== 11:13:37 (1787411617) 35+0 records in 35+0 records out 36700160 bytes (37 MB, 35 MiB) copied, 2.05498 s, 17.9 MB/s 46+0 records in 46+0 records out 48234496 bytes (48 MB, 46 MiB) copied, 2.54829 s, 18.9 MB/s ref file size: ref1(36700160), ref2(48234496) 2240+0 records in 2240+0 records out 36700160 bytes (37 MB, 35 MiB) copied, 3.43438 s, 10.7 MB/s Copied 1343488 bytes before swapping layout...