Blog

Stories, guides, and lessons from the world of observability

Last9 MCP Server: Fix Production Issues in Your Local Environment

Ask your agent to bring production context to your local environment, debug issues, and fix them. Sit back and vibe monitor.

Unlock high cardinality monitoring for your teams.

Learn the essentials of Postgres monitoring, from key metrics to best practices, and ensure your database stays healthy in production environments.

Learn what /var/log is, why it matters, and how understanding Linux system logs can help you troubleshoot and maintain systems more effectively.

Log consolidation simplifies managing and analyzing data for DevOps teams, improving efficiency and streamlining operations across systems.

A no-fluff guide to APM observability for DevOps and SREs—tools, tips, and what actually matters when keeping systems healthy.

Learn how to get started with Prometheus metrics endpoints to collect, expose, and query critical data for better system monitoring.

Running into LoggerFactory.getLogger errors in Java? Here’s how to fix common logging issues and get your logs flowing again—fast.

Not all database metrics are created equal. Learn which ones to track, why they matter, and how they help you stay ahead of performance issues.

Learn how Prometheus histogram buckets work, why they matter, and how to fine-tune them for better observability and smarter alerting.

Learn how to set up OpenTelemetry with Postgres to trace queries, monitor performance, and get better visibility into your database activity.