== sanity test 184c: Concurrent write and layout swap ==== 11:37:46 (1746632266) 59+0 records in 59+0 records out 61865984 bytes (62 MB) copied, 1.81776 s, 34.0 MB/s 24+0 records in 24+0 records out 25165824 bytes (25 MB) copied, 0.81302 s, 31.0 MB/s ref file size: ref1(61865984), ref2(25165824) 3776+0 records in 3776+0 records out 61865984 bytes (62 MB) copied, 3.56584 s, 17.3 MB/s Copied 2113536 bytes before swapping layout...