Heatmap patterns for index keysStay organized with collectionsSave and categorize content based on your preferences.
This page shows examples of patterns that you might see in a Key Visualizer
heatmap. These patterns can help you troubleshoot specific performance
issues.
Evenly distributed usage
If a heatmap shows a fine-grained mix of dark and bright colors, then write/delete operations for
index keys are evenly distributed throughout the database. This heatmap likely
represents an effective usage pattern forCloud Firestore.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-12-22 UTC."],[],[]]
