== sanity test 184c: Concurrent write and layout swap ==== 01:10:54 (1767334254) 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 2.74786 s, 16.8 MB/s 52+0 records in 52+0 records out 54525952 bytes (55 MB, 52 MiB) copied, 3.09538 s, 17.6 MB/s ref file size: ref1(46137344), ref2(54525952) 2816+0 records in 2816+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 4.00197 s, 11.5 MB/s Copied 1114112 bytes before swapping layout...