Dalan Mendonca explains the general availability of High Scale mode in Azure Monitor Container Insights, offering new capabilities for AKS cluster log collection at scale.

General Availability of High Scale Mode in Azure Monitor - Container Insights

Author: Dalan Mendonca

Overview

Azure Monitor’s Container Insights now supports High Scale mode, which is generally available to all customers. This feature is designed for Azure Kubernetes Service (AKS) users who need to collect a much larger volume of logs — up to 10 times more than before — to support large-scale workloads.

Key Features

  • High Volume Log Collection: High Scale mode addresses growing customer needs by allowing up to and beyond 10,000 logs/sec from a single AKS node.
  • Technical Enhancements:
    • More powerful agent configuration
    • Different data pipeline for improved throughput
    • Greater resource allocation (e.g., RAM) for log collection agents
    • New Data Collection Rule (DCR) implementation with minimal manual configuration
  • Operational Consistency:
    • The new mode impacts only the data collection pipeline. Querying, alerting, and user experience remain the same.
    • High Scale mode is currently off by default but may become the default in the future to prevent log loss as workloads grow.

Benefits

  • Scalability: Accommodates the increasing adoption of AKS and higher observability demands.
  • Transparency and Ease-of-Use: All upgrades in the data collection layer are handled automatically, requiring no manual customer intervention.
  • Data Integrity: Reduces the chance of log loss during workload scaling.

How to Enable High Scale Mode

To start using High Scale mode in Container Insights, refer to the official documentation: https://aka.ms/cihsmode

Additional Information

  • Release Date: General availability announced September 8, 2025 (Version 2.0)
  • Relevant Services: Azure Monitor, Azure Kubernetes Service, Container Insights

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