How Slack achieved operational excellence for Spark on Amazon EMR using generative AI
Original URL: https://aws.amazon.com/blogs/big-data/how-slack-achieved-operational-excellence-for-spark-on-amazon-emr-using-generative-ai/
Article Written: January 14, 2026
Added: January 15, 2026
Type: tech1
Summary
The article discusses how Slack developed a comprehensive metrics framework to enhance the performance and cost-efficiency of their Apache Spark jobs on Amazon EMR. By integrating generative AI and custom monitoring tools, they achieved significant improvements in job completion times and cost reductions. The framework captures over 40 metrics, providing granular insights into application behavior and resource usage. The article outlines the architecture of their monitoring solution and the benefits of AI-assisted tuning for Spark operations.
💠Your Thoughts
It's a good summary for all the Spark jobs metrics. But I think the real fun part is how Claude AI tools to optimise the Spark jobs with PRs, unfortunately they really not shared anything about this part.