== sanity test 184c: Concurrent write and layout swap ==== 23:51:59 (1787802719) 32+0 records in 32+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 5.65188 s, 5.9 MB/s 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 4.14417 s, 11.1 MB/s ref file size: ref1(33554432), ref2(46137344) 2048+0 records in 2048+0 records out 33554432 bytes (34 MB, 32 MiB) copied, 8.72937 s, 3.8 MB/s Copied 917504 bytes before swapping layout...