VictoriaMetrics Data ingestion stopped

What is VictoriaMetrics Data ingestion stopped

Understanding VictoriaMetrics

VictoriaMetrics is a fast, cost-effective, and scalable time-series database and monitoring solution. It is designed to handle large-scale data ingestion and querying, making it a popular choice for monitoring and observability needs. VictoriaMetrics supports Prometheus querying API, making it compatible with existing Prometheus setups.

Identifying the Symptom: Data Ingestion Stopped

One of the common issues users may encounter is the sudden stoppage of data ingestion. This can manifest as missing data points, delayed metrics, or complete halt in data flow into VictoriaMetrics. Users might notice this through monitoring dashboards or alerts indicating missing or stale data.

Exploring the Issue: Potential Causes

Network Issues

Network instability can disrupt the flow of data from data sources to VictoriaMetrics. This can be due to network congestion, faulty network hardware, or misconfigured network settings.

Resource Exhaustion

VictoriaMetrics requires adequate CPU, memory, and disk resources to function efficiently. If the system runs out of these resources, data ingestion can be adversely affected.

Misconfigured Ingestion Settings

Incorrect configuration settings, such as incorrect endpoint URLs or authentication issues, can prevent data from being ingested properly.

Steps to Fix the Issue

Step 1: Verify Network Stability

Ensure that the network connection between data sources and VictoriaMetrics is stable. You can use tools like PingPlotter or Wireshark to diagnose network issues. Check for high latency, packet loss, or network errors.

Step 2: Check Resource Availability

Monitor system resources using tools like top, htop, or vmstat. Ensure that there is sufficient CPU, memory, and disk space available. Consider scaling up resources or optimizing existing workloads to free up resources.

Step 3: Review Ingestion Settings

Examine the configuration files and settings for any errors. Ensure that the endpoint URLs are correct and that any required authentication credentials are properly configured. Refer to the VictoriaMetrics documentation for guidance on correct configuration.

Step 4: Restart VictoriaMetrics

If the above steps do not resolve the issue, try restarting the VictoriaMetrics service. Use the following command to restart the service:

sudo systemctl restart victoriametrics

Check the logs for any errors or warnings that might indicate the cause of the issue. Logs can be accessed using:

journalctl -u victoriametrics

Conclusion

By following these steps, you should be able to diagnose and resolve the issue of data ingestion stopping in VictoriaMetrics. Regular monitoring and maintenance can help prevent such issues from occurring in the future. For more detailed troubleshooting, refer to the VictoriaMetrics Troubleshooting Guide.