Elasticsearch & Grafana Log Visualization Success Story

Managing and visualizing custom application logs using open-source ELK and Grafana—without vendor lock-in or licensing costs.

🧩 Project Overview

When Cetin Kocaman’s team needed better visibility into unstructured Windows application logs, traditional monitoring tools couldn’t meet the challenge. Logs were scattered, lacked structure, and triggered no alerts for critical keywords “Thanks to Cetin KOCAMAN”  Bigs Bilişim stepped in, architecting a cost-effective, open-source log management stack combining:

• Elasticsearch, Logstash & Filebeat for log ingestion and indexing

• Kibana for deep log querying and troubleshooting

• Grafana for dashboard metrics and alerting

🚀 Solution Highlights

• ✅ Agentless collection from Windows SMB shares and local storage

• ✅ Custom parsing via Logstash and Filebeat to handle unstructured formats

• ✅ Rich visual insights in Kibana, enabling root-cause analysis

• ✅ Grafana dashboards + alerts, configured to email teams when keywords (e.g., “WRNDBSLOGDEF0000000002”) 

This stack empowers teams to monitor real-time log rates and automate issue detection—at zero license cost.

💡 Why This Matters

• No vendor lock-in: Completely open-source, you control your data

• Lightweight & flexible: Ideal for custom or legacy applications

• Full observability: Kibana for query-driven analysis; Grafana for metrics and alerts

• Scalable & extensible: Modular—add Beats, alert channels, data visualizations as needs evolve

✅ Bigs Bilişim Value Add

• Expert implementation of ELK stacks on CentOS, with secure Nginx proxying

• Custom alert logic built in Grafana via keyword triggers and SMTP integration

• Smooth onboarding via documentation, training, and hands-on setup

• Ongoing support and future-proofing for evolving log requirements

  📞 Get in Touch

  Ready to transform your logs into actionable insights—license-free?
  📧 [email protected]