== sanity test 184c: Concurrent write and layout swap ==== 20:43:44 (1776213824) 65+0 records in 65+0 records out 68157440 bytes (68 MB, 65 MiB) copied, 5.59283 s, 12.2 MB/s 24+0 records in 24+0 records out 25165824 bytes (25 MB, 24 MiB) copied, 1.58034 s, 15.9 MB/s ref file size: ref1(68157440), ref2(25165824) 4160+0 records in 4160+0 records out 68157440 bytes (68 MB, 65 MiB) copied, 6.7592 s, 10.1 MB/s Copied 1654784 bytes before swapping layout...