There are times when a MapReduce job exceeds its memory limits. This article presents an overview of how YARN monitors the memory for containers and provides the technique to fix this issue.
If you're looking to get started with Docker, these tips will keep your Dockerfile up to snuff. Pin your dependencies, consider the order of your statements, and clean up.
A common approach to cloud migration is to simply port material to the cloud, which is not always the best decision, considering the complexity of modern apps.
If you're moving to Solr's distributed search system, there's a lot to keep in mind ranging from indexing differences to testing procedures to keeping ZooKeeper working.
Running a truly elastic Elasticsearch cluster on Docker Swarm is hard. Here's how to get past Elasticsearch and Docker's pitfalls with IP addresses, networking, and more.
Couchbase's cbq shell lets you write and run N1QL queries interactively. The shell also lets you securely interact with mixed nodes, among other handy tricks.
Learn how to take advantage of the Docker image layering model to run unit or component tests in a Docker container without polluting the production software.
Are your containers feeling under the weather? Struggling to get out of bed? See how you can build in health checks to make sure your containers are fighting fit.
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