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GameDuo cuts game server observability costs by more than half with Amazon EC2-based ClickStack

·2026.11.10 11:15

Key point

GameDuo reduced observability costs by more than half and extended log retention to 180 days by migrating to ClickStack.

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Details

  • GameDuo migrated logs and traces from over 250 game servers from a SaaS provider to an Amazon EC2-based ClickStack, reducing observability costs by more than half compared to the previous setup.
  • Log retention increased from 15 days to 180 days, and previously deferred distributed tracing and session replay were enabled, shortening the time required to identify failure causes.
  • A durable pipeline was built using OpenTelemetry Collector configured as agents, gateways, and consumers, with S3 and SQS used as buffers to prevent data loss during ClickHouse outages.
  • ClickHouse leveraged EBS hot tier and S3 cold tier to optimize storage costs, while HyperDX and Grafana were used to manage log search, dashboards, and alerts (increased from 16 to approximately 170).
  • A single developer handled everything from design to operations, utilizing AI coding agents to automate Terraform management and incident response, thereby reducing the operational burden on the small team.
  • Additional cost savings were achieved through optimization of request body fields, which account for over 70% of log volume, and agent compression settings.
observabilitycost-optimizationclickhouseamazon-ec2opentelemetryhyperdxgameduoclickstack
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