17 Building policies for telemetry retention and aggregation
This chapter covers
- Creating retention policies for your telemetry
- Creating aggregation policies for your metrics
- Understanding the role sampling plays in telemetry and retention policies
Retention policies (how long to keep telemetry) and aggregation policies (how to summarize telemetry) are some of the most important policies you will set for your telemetry systems. Related to aggregation, the sampling technique uses statistical methods to summarize telemetry and is commonly used in distributed tracing. This chapter is about those policies and the trade-offs you need to consider when it comes time to set your own. For the most part, the trade-off is cost versus features—a familiar ...
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