Creation of Metric Template in Grafana for Node-Specific and Collection-Specific Metrics

The objective of this task is to devise and implement a metric template in Grafana to capture, visualize, and analyze metrics from Apache Solr on two levels: node-specific and collection-specific. This encompasses developing dashboards that convey insightful and actionable metrics about the state, performance, and health of Solr nodes and collections.

Node-Specific Metrics: Catering to metrics at the Solr node level including:

• JVM Metrics (Heap Memory Usage, Garbage Collection, etc.)
• Query Rate & Latency
• Update Rate & Latency
• Disk Usage
• CPU Usage
• ....
  Goal: Provide comprehensive visibility into the operational state and performance of individual Solr nodes.

Collection-Specific Metrics: Focus on metrics pertaining to Solr collections:

• Number of Documents
• Disk Space Usage
• Cache Usage and Efficiency
• Update and Query Volume
• Latency Metrics
• ....
  Goal: Enable monitoring and analysis of collection performance and utilization to ensure optimal operation.