EFS provides fully managed, elastic, highly available, scalable, and high-performance, cloud-native shared file systems. Using the Amazon EFS Container Storage Interface (CSI) driver, now generally available, EFS enables customers to persist data and state from their containers running in Amazon EKS. Storing these logs on EFS provides developers and operations teams peace of mind, as they know a copy of their logs are available on EFS. When you are routing your container logs using Fluent Bit to external sources like Elasticsearch for centralized logging, there could be risk of losing the logs when these external sources are under heavy load, or must be restarted. Use case 2: Persist your container logs centrally on an Amazon EFS file system using the Fluent Bit file plugin.Traditional applications that are containerized and need the ability to write application logs to a file. Fargate requires applications to write logs to a file system instead of stdout. Applications running on AWS Fargate for Amazon EKS.Use case 1: Persist your application logs directly on an Amazon EFS file system when default standard output (stdout) cannot be used.In this blog, I cover how to persist logs from your Amazon Elastic Kubernetes Service (Amazon EKS) containers on highly durable, highly available, elastic, and POSIX-compliant Amazon Elastic File System (Amazon EFS) file systems. These logs are lost when the container is terminated and are not available to troubleshoot issues unless they are stored on persistent storage or routed successfully to another centralized logging destination. Containerized applications write logs to standard output, which is redirected to local ephemeral storage, by default. Logging is a powerful debugging mechanism for developers and operations teams when they must troubleshoot issues. UPDATE : Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service.
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