== sanity test 184c: Concurrent write and layout swap ==== 21:50:37 (1788659437) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 5.88998 s, 7.8 MB/s 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 4.35907 s, 7.7 MB/s ref file size: ref1(46137344), ref2(33554432) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 11.7717 s, 3.9 MB/s Copied 491520 bytes before swapping layout...