data-konzept

'I first became aware of the server-wide lock taken out by SSAS when processing finishes - and the issues that this can cause - from this blog post by Andrew Calvett back in 2009. More information on how locking works in SSAS can be found in chapter 26 of “Microsoft SQL Server 2008 Analysis Services Unleashed”, while the most comprehensive discussion of this topic can be found in this post by Jason Howell:  
https://blogs.msdn.microsoft.com/jason_howell/2012/07/03/analysis-services-stops-accepting-new-connections-processing-commit-locks-hurt/'...

https://blog.crossjoin.co.uk/2017/03/18/ssas-2016-locking-improvements/