Atlassian built a tool to migrate Jira users to the cloud and it made the move slower

Atlassian has admitted that the tools it developed to move Jira users into the cloud were actually slower than older code that did the same job, and that its efforts to speed things up also had speed problems.

The Australian collaborationware company last year decided to discontinue its datacenter products and shift users to cloudy equivalents. That decision came five years after Atlassian killed its server products.

As explained in a Tuesday post by senior software engineer Priyansh Jain, Atlassian operates a migration platform team that built a migration pipeline on an API-driven architecture.

“This architecture, however, proved to be blocking and less scalable, and the customers in our migration pipeline were too large to migrate using this approach,” Jain wrote.

So Atlassian built a new migration architecture that Jain said operates “in a streamlined fashion, and gracefully avoids the bottlenecks and scalability issues that existed in the API-driven architecture ...