I have published an InfoQ news post about Atlassian's new Data Center deployment option for Stash:
Atlassian recently released Stash Data Center, a highly available and horizontally scalable deployment option for its on-premises source code and Git repository management solution Stash. New nodes can be added without downtime to provide active-active clustering and instant scalability.
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Continue reading the full post in Atlassian's Stash Data Center Offers High Availability and Scalability for Git.