== sanity test 184c: Concurrent write and layout swap ==== 14:13:33 (1782497613) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 6.69876 s, 6.9 MB/s 40+0 records in 40+0 records out 41943040 bytes (42 MB, 40 MiB) copied, 6.13161 s, 6.8 MB/s ref file size: ref1(46137344), ref2(41943040) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 15.0639 s, 3.1 MB/s Copied 425984 bytes before swapping layout...