== sanity test 184c: Concurrent write and layout swap ==== 05:22:13 (1789464133) 21+0 records in 21+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 3.39259 s, 6.5 MB/s 57+0 records in 57+0 records out 59768832 bytes (60 MB, 57 MiB) copied, 9.13741 s, 6.5 MB/s ref file size: ref1(22020096), ref2(59768832) 1344+0 records in 1344+0 records out 22020096 bytes (22 MB, 21 MiB) copied, 5.86249 s, 3.8 MB/s Copied 622592 bytes before swapping layout...