Bills fell 10 percent after granular tests suggested JVM tweaks that improved performance

Atlassian twice marked Amazon Web Services’ Graviton CPUs off-limits for production purposes, but recently relented and now uses the processors to power thousands of server instances that run its Jira and Confluence products. So what changed?

A recent post by Atlassian principal site reliability engineers Paulo Almeida and Jakub Gutkowski, plus software engineer Jędrzej Lepa, reveals that Atlassian was interested in Amazon’s CPUs after the 2020 release of Graviton 2.

“In the tech industry there are only a couple of things that can make engineers try something new. Either it’s because we can do something faster or because we can do something cheaper,” the Atlassian trio wrote. “When only one of those two benefits presents itself, we often resort to long trade-off conversations because we not only have to factor in the immediate gains but also the invisible costs of implementation, support, tooling ecosystem, edge cases, and so ...