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Summary

The ITSI Content Pack for Tomcat from Kinney Group is specifically designed to monitor system health related to Apache Tomcat. It leverages Splunk ITSI to provide in-depth analysis and visualization of logs for Tomcat, ensuring critical systems are operating optimally. This content pack is an essential tool for IT professionals looking to enhance the reliability and performance of their Tomcat servers.

  • Comprehensive Performance Monitoring: Offers detailed insights into Tomcat server performance, JVM metrics, and resource utilization, enabling optimized resource management.
  • Critical System Status Tracking: Monitors the real-time operational status of Tomcat applications and services, helping IT professionals swiftly identify and address potential issues.
  • Enhanced Resource Efficiency: Facilitates better decision-making on resource allocation and system adjustments by analyzing performance trends and detecting inefficiencies across the infrastructure.

This ITSI Content Pack is open source and available for community collaboration and enhancement on GitHub.

For more information about Kinney Group's Splunk Products, visit our website

Details

The ITSI Content Pack for Tomcat contains service definitions and KPIs ready to import to ITSI. The KPI Thresholds and importance values are set to defaults so that they can be tuned manually for your use case. After configuration, this content pack provides a comprehensive monitoring solution for Tomcat servers, ensuring optimal performance and reliability.

Kinney Group ITSI Content Pack Blog

For more information about Kinney Group's Splunk Products, visit our website

Services

Tomcat monitoring encompasses several specialized services, each targeting specific aspects of server performance:

  1. Tomcat Application
    • Description: The overall Tomcat application responsible for hosting and managing web applications.
  2. JVM Performance
    • Description: Monitors the Java Virtual Machine (JVM) performance metrics crucial for Tomcat's operation.
  3. Tomcat Metrics
    • Description: Specific metrics related to Tomcat's performance and request handling.
  4. Resource Utilization
    • Description: Monitors the resource usage of the Tomcat server, including CPU and Disk I/O.
  5. Application Performance
    • Description: Measures the performance of applications running on Tomcat, including response times and database connection pool usage.
  6. Log Monitoring
    • Description: Regularly reviews and analyzes Tomcat's error and access logs.
  7. Service Availability
    • Description: Ensures the high availability and uptime of the Tomcat server.
  8. Configuration Management
    • Description: Manages and monitors changes to Tomcat's configuration files and ensures proper backup and recovery procedures.

KPIs

Each service utilizes specific KPIs to measure its effectiveness:

  1. Heap Memory Usage
    • Description: Monitor the used, committed, and maximum heap memory to prevent OutOfMemoryErrors.
  2. Garbage Collection Activity
    • Description: Track the frequency and duration of GC events to identify potential performance bottlenecks.
  3. Thread Usage
    • Description: Keep an eye on the number of active, idle, and total threads to ensure the server can handle incoming requests efficiently.
  4. Request Throughput
    • Description: Measure the number of requests processed per second to gauge server load.
  5. Error Rates
    • Description: Track HTTP error rates, specifically 4xx (client errors) and 5xx (server errors), to identify issues with request handling.
  6. Session Count
    • Description: Monitor the number of active sessions to understand user load and session management efficiency.
  7. CPU Usage
    • Description: High CPU usage can indicate inefficient code or excessive load. Monitor CPU usage to ensure it remains within acceptable limits.
  8. Disk I/O
    • Description: Track disk read/write operations to detect potential bottlenecks in data access and storage.
  9. Response Time
    • Description: Measure the average response time for requests to ensure the application is responsive.
  10. Database Connection Pool
    • Description: Monitor the usage of database connections to prevent connection pool exhaustion, which can lead to application downtime.
  11. Error Logs
    • Description: Regularly review Tomcat's error logs to identify and address issues promptly.
  12. Access Logs
    • Description: Analyze access logs to understand traffic patterns and detect any unusual activity.
  13. Uptime
    • Description: Track the uptime of the Tomcat server to ensure high availability.
  14. Service Checks
    • Description: Implement regular health checks to verify that the server and its services are running correctly.
  15. Configuration Files
    • Description: Monitor changes to configuration files to detect unauthorized modifications.
  16. Backup and Recovery
    • Description: Implement regular backups and test recovery procedures to ensure data integrity and availability.

Relationships

Dependencies:

Services are interconnected; for instance, the Tomcat Application is dependent on JVM Performance, Tomcat Metrics, Resource Utilization, and other services to ensure optimal performance and reliability.

Hierarchical Structure:

Some services form a hierarchy, such as JVM Performance depending on Heap Memory Usage, Garbage Collection Activity, and Thread Usage, illustrating a layered approach to performance monitoring where base metrics support broader performance indicators.

Installation

Installation prerequisites:

Splunk Addon for Tomcat

Splunk App for Content Packs

Splunk ITSI

Troubleshooting

Kinney Group ITSI Content Pack Blog

Github and Readme

support@kinneygroup.com

Contact

To provide feedback, visit our Github and Readme for our content packs.

support@kinneygroup.com

For more information about Kinney Group's Splunk Products, visit our website

Version History

Version Date Description
0.0.1 6/4/24 Initial Preview Release

Considerations:

Kinney Group ITSI Content Pack Blog

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