== sanity test 184c: Concurrent write and layout swap ==== 12:06:09 (1775232369) 59+0 records in 59+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 3.05925 s, 20.2 MB/s 53+0 records in 53+0 records out 55574528 bytes (56 MB, 53 MiB) copied, 2.81973 s, 19.7 MB/s ref file size: ref1(61865984), ref2(55574528) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 5.30315 s, 11.7 MB/s Copied 1622016 bytes before swapping layout...