VictoriaMetrics Ingestion rate limits exceeded

Ingestion rate limits can be exceeded due to high data volume or misconfigured limits.

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 ideal for monitoring systems and IoT applications. With its high performance and efficient data storage, VictoriaMetrics is widely used for collecting and analyzing time-series data.

Identifying the Symptom: Ingestion Rate Limits Exceeded

When using VictoriaMetrics, you might encounter an issue where the ingestion rate limits are exceeded. This is typically observed when the system logs or monitoring dashboards indicate that data ingestion is being throttled or rejected due to rate limits.

Common Error Messages

Some common error messages associated with this issue include:

  • "Ingestion rate limits exceeded"
  • "Too many concurrent inserts"

Exploring the Root Cause

The root cause of exceeding ingestion rate limits in VictoriaMetrics can be attributed to either high data volume or misconfigured ingestion limits. When the volume of incoming data surpasses the configured limits, the system is unable to process all the data efficiently, leading to throttling or rejection of data points.

Configuration Parameters

VictoriaMetrics provides several configuration parameters to manage ingestion rates, such as:

  • -influx.maxConcurrentInserts: Controls the maximum number of concurrent inserts allowed.
  • -influx.maxInsertRequestSize: Sets the maximum size of a single insert request.

Steps to Resolve the Issue

To resolve the issue of ingestion rate limits being exceeded, you can take the following steps:

1. Increase Ingestion Rate Limits

Adjust the configuration parameters to increase the ingestion rate limits. For example, you can increase the -influx.maxConcurrentInserts parameter to allow more concurrent inserts:

./victoria-metrics -influx.maxConcurrentInserts=100

Ensure that the new limit aligns with your system's capacity and workload requirements.

2. Reduce Data Volume

If increasing the limits is not feasible, consider reducing the volume of data being ingested. This can be achieved by:

  • Filtering unnecessary data at the source.
  • Aggregating data before ingestion.

3. Monitor and Optimize

Continuously monitor the ingestion performance and optimize the configuration as needed. Utilize VictoriaMetrics' built-in monitoring tools to track ingestion metrics and adjust settings accordingly.

Additional Resources

For more information on configuring VictoriaMetrics, refer to the official VictoriaMetrics Documentation. Additionally, you can explore the VictoriaMetrics GitHub Repository for community support and updates.

By following these steps and utilizing the resources provided, you can effectively manage ingestion rate limits in VictoriaMetrics and ensure smooth data processing.

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