== sanity test 184c: Concurrent write and layout swap ==== 10:39:55 (1786113595) 35+0 records in 35+0 records out 36700160 bytes (37 MB, 35 MiB) copied, 1.97381 s, 18.6 MB/s 37+0 records in 37+0 records out 38797312 bytes (39 MB, 37 MiB) copied, 1.99788 s, 19.4 MB/s ref file size: ref1(36700160), ref2(38797312) 2240+0 records in 2240+0 records out 36700160 bytes (37 MB, 35 MiB) copied, 3.46663 s, 10.6 MB/s Copied 1327104 bytes before swapping layout...