This is part 5 in our series on how we upgraded our Elasticsearch cluster without any downtime and with minimal user impact. Due to the large scope of this upgrade, it was clear from the beginning that this project was going to last for at least one year, if not more. This...
Featured story
How we upgraded an old, 3PB large, Elasticsearch cluster without downtime. Part 6 - Testing & Rollout strategy
Welcome to this sixth part of our adventure of upgrading our Elasticsearch cluster. Until now, we have explained how we structured our work, improved our system to make this migration possible, how we took advantage of this opportunity to make otherwise hard changes, and made sure to keep the system performing well under load. All of these changes were the... Read the story