== sanity test 184c: Concurrent write and layout swap ==== 11:55:07 (1775231707) 54+0 records in 54+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 2.6007 s, 21.8 MB/s 65+0 records in 65+0 records out 68157440 bytes (68 MB, 65 MiB) copied, 3.2047 s, 21.3 MB/s ref file size: ref1(56623104), ref2(68157440) 3456+0 records in 3456+0 records out 56623104 bytes (57 MB, 54 MiB) copied, 5.63001 s, 10.1 MB/s Copied 1196032 bytes before swapping layout...