== sanity test 184c: Concurrent write and layout swap ==== 10:30:53 (1788532253) 59+0 records in 59+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 7.95161 s, 7.8 MB/s 55+0 records in 55+0 records out 57671680 bytes (58 MB, 55 MiB) copied, 8.55231 s, 6.7 MB/s ref file size: ref1(61865984), ref2(57671680) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB, 59 MiB) copied, 18.94 s, 3.3 MB/s Copied 393216 bytes before swapping layout...