Thanos 0.33: Prometheus HA Evolution

Introduction

Thanos 0.33, released on November 20, 2024, advances Prometheus high availability with improved long-term storage, enhanced query performance, better reliability, and expanded integration capabilities. This release makes Thanos more powerful for managing Prometheus at scale.

Long-Term Storage

• Object storage improvements provide better integration with S3, GCS, and Azure Blob.
• Compaction enhancements optimize storage usage and query performance.
• Retention policies enable more flexible data retention configuration.
• Downsampling improvements enable efficient storage of historical data.

Query Performance

1. Query optimization improvements reduce latency for metric queries.
2. Caching enhancements provide better response times for frequently accessed metrics.
3. Deduplication improvements enable better handling of multiple Prometheus instances.
4. Concurrent query processing enables better handling of multiple queries.

Reliability Improvements

• Replication enhancements provide better data durability.
• Backup capabilities enable efficient backup and restore operations.
• Recovery mechanisms enable automatic recovery from failures.
• Health checking improvements provide better visibility into system health.

Integration Capabilities

• Prometheus integration improvements provide seamless integration with Prometheus.
• Grafana enhancements enable better visualization of metrics.
• Alerting integration enables alerting based on long-term metrics.
• API improvements enable better programmatic access to metric data.

Getting Started

# Install Thanos using Helm
helm repo add thanos https://charts.bitnami.com/bitnami
helm install thanos thanos/thanos

Example Thanos configuration:

type: S3
config:
  bucket: thanos
  endpoint: s3.amazonaws.com
  access_key: YOUR_ACCESS_KEY
  secret_key: YOUR_SECRET_KEY

Summary

Thanos 0.33 continues to be the standard for Prometheus high availability, providing teams with powerful long-term storage and query capabilities.