Source URL: https://rtfm.co.ua/en/victorialogs-a-grafana-dashboard-for-aws-vpc-flow-logs-migrating-from-grafana-loki/
Source: Hacker News
Title: VictoriaLogs: A Grafana Dashboard for AWS VPC Flow Logs – Migrating from Grafan
Feedly Summary: Comments
AI Summary and Description: Yes
**Summary:**
The text details the implementation of a monitoring system for AWS VPC Flow Logs using Terraform in conjunction with tools like Grafana, Loki, and VictoriaLogs. It highlights challenges such as performance limitations with Loki, optimizations attempted with VictoriaLogs, and the benefits of each approach for managing and visualizing AWS network traffic for Kubernetes Pods. The discussion presents practical implementations important for professionals focused on cloud infrastructure monitoring and cost management.
**Detailed Description:**
The content focuses on implementing a monitoring solution that tracks NAT Gateway traffic usage statistics and AWS costs correlated with Kubernetes Pods using AWS VPC Flow Logs. Here are the significant points:
– **Monitoring Setup:**
– Terraform scripts are utilized to create AWS S3 buckets, Lambda functions with Promtail to send data to VictoriaLogs, and Grafana dashboards for visualization.
– The initial challenge faced was the performance of Loki, which struggled to process log data effectively over longer periods.
– **Performance Optimization:**
– An exploration of moving from Loki to VictoriaLogs, which was noted for having enhanced query performance and support for visualizations without needing transformations in Grafana.
– The document outlines detailed implementation strategies, code snippets, and configurations for both systems (Loki and VictoriaLogs).
– **Technical Implementation Overview:**
– Detailed Terraform configurations for:
– Creating S3 buckets for VPC Flow Logs.
– Setting up security policies to manage data access.
– Configuring Lambda functions that collect logs and push them into the monitoring systems.
– Various queries were constructed using LogQL for Loki and LogsQL for VictoriaLogs to visualize NAT Gateway traffic, including inbound and outbound bytes differing between systems, all logged accurately.
– **Data Accuracy and Cost Management:**
– Validation steps that use CloudWatch Logs Insights to confirm the accuracy of the monitored data against metrics obtained from Loki and VictoriaLogs.
– Discussion of discrepancies in traffic metrics and cost estimations via AWS Cost Explorer, noting the importance of consistency for financial management in cloud environments.
– **Future Improvements:**
– Indicates potential future enhancements such as refining data transformations and fields in logs to streamline operations further.
The insights provided can significantly benefit devops and cloud infrastructure professionals managing cost efficiency, performance monitoring, and compliance with data handling in cloud applications.