JVM Heap vs System Memory Ratio Check
Task ID: jvm_heap_memory_ratio
Category: configuration
Description
Verifies that JVM heap memory does not exceed 25% of total system RAM to ensure sufficient memory for OS page cache
How to Run
Execute this specific analysis task on your Kafka cluster snapshot:
# Run the task
kcpilot task test jvm_heap_memory_ratio <snapshot-path>
# Example
kcpilot task test jvm_heap_memory_ratio ./kafka-scan-2024-01-15
# With debug logging
RUST_LOG=kcpilot=debug kcpilot task test jvm_heap_memory_ratio <snapshot-path>
Data Requirements
This task analyzes the following types of data from your cluster snapshot:
Severity Levels
This task can identify issues at the following severity levels:
- CRITICAL: Severe issues requiring immediate attention
- WARNING: Problems that should be addressed soon
- INFO: Recommendations and optimizations
The severity is determined based on specific patterns and thresholds identified in the cluster data.
Integration with Full Analysis
This task is automatically included when running a complete cluster analysis:
kcpilot analyze <snapshot-path> --report terminal,markdown
Task Configuration
The task is defined in the YAML file at:
analysis_tasks/configuration/general/jvm_heap_memory_ratio.yaml
Related Tasks
See also these related JVM configuration tasks: