== sanity test 184c: Concurrent write and layout swap ==== 14:46:34 (1772480794) 33+0 records in 33+0 records out 34603008 bytes (35 MB, 33 MiB) copied, 1.87398 s, 18.5 MB/s 44+0 records in 44+0 records out 46137344 bytes (46 MB, 44 MiB) copied, 2.37211 s, 19.4 MB/s ref file size: ref1(34603008), ref2(46137344) 2112+0 records in 2112+0 records out 34603008 bytes (35 MB, 33 MiB) copied, 3.2454 s, 10.7 MB/s Copied 1359872 bytes before swapping layout...