== sanity test 184c: Concurrent write and layout swap ==== 08:47:59 (1788698879) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 3.01519 s, 15.3 MB/s 36+0 records in 36+0 records out 37748736 bytes (38 MB, 36 MiB) copied, 2.51934 s, 15.0 MB/s ref file size: ref1(46137344), ref2(37748736) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 4.67628 s, 9.9 MB/s Copied 1392640 bytes before swapping layout...