Composite guide - introduction

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The goal of this guide is to explain how you can select the right configuration for your composite SLO.

Composite and standard SLOs

Some of the settings of composite SLOs are the same as standard SLOs, namely:

Time window:

Calendar-aligned or rolling

Budgeting method:

Occurrences or time slices

Budget target

However, composite SLOs have their specific settings:

Max delay

Component weight

What to expect?

This guide will cover how to select appropriate budget targets and determine component weights for a composite SLO.

Unlike standard SLOs, the budget for a composite SLO is calculated using a different approach. Grasping these distinctions is essential for setting the correct budget target in various scenarios. Additionally, component weights play a pivotal role in shaping the overall budget, and since they are unique to composite SLOs, knowing how to use them is key to creating an effective configuration.

Composite guide structure

The guide is structured in three complementary sections:

The first one outlines the method for calculating SLO targets, highlighting the differences between regular and composite SLOs.

The second one provides practical guidance on selecting optimal values for configuring weights for a composite SLO.

The third section helps you configure optimal targets for component SLOs.

1. SLOs error budget

How error budget is calculated

2. Choosing weights

Choosing component weights

3. Choosing target

Choosing component targets