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Stories, guides, and lessons from the world of observability
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Performance Impact of High Cardinality in Time-Series DBs
High cardinality in time-series databases can slow queries, increase storage costs, and strain indexing. Here’s how it impacts performance and scaling.
Syslog Monitoring: A Guide to Log Management and Analysis
Master syslog monitoring to track system events, troubleshoot issues faster, and keep your infrastructure running smoothly.
Prometheus Port Configuration: A Detailed Guide
Learn how to configure Prometheus ports correctly, whether using defaults or custom settings, to keep your monitoring setup running smoothly.
How to Configure SAML SSO with Keycloak
Learn how to set up SAML SSO with Keycloak for secure authentication, manage user access, and integrate it with your applications.
PHP Error Logs: The Complete Troubleshooting Guide You Need
Learn how to use PHP error logs to quickly identify and fix issues in your application, turning troubleshooting into a structured process.
Getting Started with OpenTelemetry JavaScript
Learn how to set up OpenTelemetry JavaScript to capture traces, metrics, and logs, so you can spot issues before they become real problems.
Auto Instrumentation: An In-Depth Guide
Auto instrumentation simplifies telemetry by capturing traces, metrics, and logs without code changes. Here’s how it works and why it matters.
High Cardinality Is Eating Your Storage Budget—Here’s Why
High cardinality data can quietly drive up storage costs and slow down performance. Here’s why it happens and what you can do to fix it.
![A Guide to Fixing Kafka Consumer Lag [Without Jargon]](https://last9.ghost.io/content/images/2025/03/kafka.webp)
A Guide to Fixing Kafka Consumer Lag [Without Jargon]
Learn simple, practical strategies to fix Kafka consumer lag and keep your data pipeline running smoothly without the jargon.