== sanity test 184c: Concurrent write and layout swap ==== 01:41:29 (1721886089) 60+0 records in 60+0 records out 62914560 bytes (63 MB) copied, 1.99661 s, 31.5 MB/s 48+0 records in 48+0 records out 50331648 bytes (50 MB) copied, 1.60888 s, 31.3 MB/s ref file size: ref1(62914560), ref2(50331648) 3840+0 records in 3840+0 records out 62914560 bytes (63 MB) copied, 3.802 s, 16.5 MB/s Copied 1409024 bytes before swapping layout...