Symptoms
Assume that you use a distributed partitioned view on clustered columnstore index (CCI) tables in Microsoft SQL Server 2014. And there are some loads and queries on the same distributed partitioned view. In this situation, the loads or queries may freeze because of the distributed deadlocks that occur between the loads and queries on the CCI tables.
Resolution
The issue was first fixed in the following cumulative update of SQL Server.
Cumulative Update 2 for SQL Server 2014 /en-us/help/2967546
Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.