#sentry selfhosted

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eternal archBOT
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Hi @proper dragon. I'm happy to dig into this for you! I'll check my internal sources for answers to your question! :wave:

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It sounds like you're experiencing a significant delay before your self-hosted Sentry instance becomes usable after setup, especially when using Docker Compose and S3 for filestore.

Based on the knowledge sources, there are a few common causes for delays in Sentry self-hosted setups:

  1. Resource Bottlenecks: If services like Kafka or Redis are overloaded or not functioning properly, Sentry can become unresponsive or slow. For example, if Redis is using too much memory or Kafka is overloaded, you may see delays or errors in the dashboard loading and event processing. Monitoring these services for resource usage and errors is important. Setting memory limits for Redis and ensuring Kafka is healthy can help prevent these issues. Also, check that your system meets the minimum requirements for CPU and RAM, as under-provisioned resources can cause slow startups and delays in service availability 500 Server Error after Setting up Sentry Self-Hosted, sentry web: slow page loading time.

  2. Service Initialization: Sentry's initialization process can be slow, especially if the ./install.sh script is run multiple times or if Docker volumes are not preserved between runs. Recent improvements have aimed to reduce initialization time, but if you're using an older version, you may still experience long setup times. Upgrading to the latest version and following best practices for Docker volume management can help Improve self-hosted Sentry initialization to run <5 minutes in VM's/CI.

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  1. Filestore/S3 Issues: If Sentry is configured to use S3 for filestore, any connectivity or configuration issues with S3 can cause delays in accessing replays or attachments, but this typically affects specific features rather than the entire dashboard. However, if S3 is misconfigured or slow, it could contribute to overall sluggishness Replay retrieval suddenly stops working when using s3 storage.

  2. Old Version: If you are running a very old version of Sentry (e.g., 9.x), there are known issues with real-time data and dashboard responsiveness. Upgrading to a more recent version is strongly recommended real time data not visible in monitoring dashboard, Real time events not seen in sentry Dashboard.

What you should do:

  • Check the logs for your web, worker, Kafka, and Redis containers for any errors or warnings.
  • Ensure your system has enough resources (CPU, RAM, disk).
  • Make sure you are running a recent version of Sentry self-hosted.
  • If using S3, verify connectivity and permissions.
  • Consider setting memory limits for Redis and monitoring Kafka for overload.
  • If you see specific errors, share them for more targeted troubleshooting.

If after checking these areas the problem persists, please provide more details from your container logs, especially from the web, worker, redis, and kafka services. This will help pinpoint the root cause of the delay.

Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: