Atlassian Reworks Jira Search to Handle Nearly 6 Million Software Versions

Atlassian describes scaling Jira Search for its largest customers, some of whom track millions of releases, to support nearly 6 million software release versions. The original design loaded versions into memory and filtered them there, which made even preparing a search query a bottleneck at that scale. The post walks through the engineering changes Atlassian made to fix it.

Why it matters: Teams that keep large release and version catalogs in Jira get a look at why search slows at scale and what Atlassian changed to fix it.