381 lines
11 KiB
Markdown
381 lines
11 KiB
Markdown
# Troubleshooting Analysis Template
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## Document Information
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- **Analysis ID:** [Unique identifier for this analysis]
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- **Date Created:** [Creation date]
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- **Analyst:** [Name of troubleshooting specialist]
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- **Priority Level:** [Critical/High/Medium/Low]
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- **Status:** [In Progress/Under Review/Complete]
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## Executive Summary
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[Provide a concise overview of the problem, analysis findings, and recommended solutions]
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### Key Findings
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- [Primary root cause identified]
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- [Secondary contributing factors]
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- [Impact assessment summary]
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- [Recommended solution approach]
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### Business Impact
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- [Affected systems and users]
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- [Service disruption duration]
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- [Financial or operational impact]
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- [Customer experience implications]
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## Problem Description
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### Issue Overview
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**Problem Statement:** [Clear, concise description of the issue]
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**Symptoms Observed:**
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- [Specific symptoms and behaviors observed]
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- [Error messages and codes encountered]
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- [Performance degradation patterns]
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- [User-reported issues and complaints]
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**Affected Systems:**
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- [List of affected applications and services]
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- [Infrastructure components involved]
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- [Integration points and dependencies]
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- [Geographic or user segment impact]
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### Timeline of Events
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| Time | Event | System/Component | Impact |
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|------|-------|------------------|---------|
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| [Timestamp] | [Event description] | [System name] | [Impact level] |
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| [Timestamp] | [Event description] | [System name] | [Impact level] |
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### Environmental Context
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**System Configuration:**
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- [Relevant configuration details]
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- [Version information and dependencies]
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- [Infrastructure specifications]
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- [Network and security settings]
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**Recent Changes:**
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- [Deployments and releases]
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- [Configuration modifications]
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- [Infrastructure changes]
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- [Process or procedure updates]
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## Analysis Methodology
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### Troubleshooting Approach
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**Primary Methods Used:**
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- [ ] Log analysis and pattern recognition
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- [ ] Performance metrics evaluation
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- [ ] System health assessment
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- [ ] Root cause analysis (5 Whys, Fishbone)
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- [ ] Hypothesis testing and validation
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- [ ] Component isolation and testing
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**Tools and Techniques:**
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- [Monitoring and observability tools used]
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- [Debugging and profiling tools applied]
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- [Testing and validation methods employed]
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- [Analysis frameworks and methodologies]
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### Data Sources
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**Logs and Monitoring:**
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- [Application logs and error messages]
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- [System and infrastructure logs]
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- [Performance metrics and dashboards]
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- [Security and audit logs]
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**Testing and Validation:**
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- [Reproduction steps and test cases]
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- [Performance benchmarks and baselines]
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- [Component testing results]
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- [Integration testing outcomes]
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## Technical Analysis
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### System Health Assessment
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**Resource Utilization:**
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- **CPU Usage:** [Analysis of CPU utilization patterns]
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- **Memory Usage:** [Memory consumption and leak analysis]
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- **Disk I/O:** [Storage performance and capacity analysis]
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- **Network:** [Network connectivity and bandwidth analysis]
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**Service Status:**
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- [Application service health and availability]
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- [Database connectivity and performance]
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- [External service dependencies]
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- [Load balancer and proxy status]
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### Performance Analysis
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**Response Time Analysis:**
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```
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[Include performance metrics, charts, or data]
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- Average response time: [value]
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- 95th percentile: [value]
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- Peak response time: [value]
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- Baseline comparison: [comparison data]
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```
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**Throughput Analysis:**
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```
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[Include throughput metrics and trends]
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- Requests per second: [value]
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- Transaction volume: [value]
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- Error rate: [percentage]
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- Success rate: [percentage]
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```
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### Error Analysis
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**Error Patterns:**
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| Error Type | Frequency | First Occurrence | Last Occurrence | Affected Components |
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|------------|-----------|------------------|-----------------|-------------------|
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| [Error type] | [Count] | [Timestamp] | [Timestamp] | [Components] |
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**Error Correlation:**
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- [Correlation with system events]
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- [Relationship to user actions]
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- [Connection to external factors]
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- [Pattern analysis and trends]
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## Root Cause Analysis
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### Primary Root Cause
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**Identified Cause:** [Clear statement of the primary root cause]
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**Supporting Evidence:**
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- [Log entries and error messages supporting this conclusion]
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- [Performance data and metrics that validate the cause]
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- [Test results and validation evidence]
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- [Expert analysis and reasoning]
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**Cause Category:**
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- [ ] Application Code Defect
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- [ ] Configuration Error
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- [ ] Infrastructure Issue
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- [ ] External Dependency
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- [ ] Capacity/Scaling Issue
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- [ ] Security Incident
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- [ ] Process/Procedure Gap
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- [ ] Human Error
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### Contributing Factors
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**Secondary Causes:**
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1. **[Contributing factor 1]**
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- Description: [Detailed explanation]
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- Impact: [How this factor contributed]
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- Evidence: [Supporting data and analysis]
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2. **[Contributing factor 2]**
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- Description: [Detailed explanation]
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- Impact: [How this factor contributed]
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- Evidence: [Supporting data and analysis]
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### 5 Whys Analysis
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1. **Why did [initial problem] occur?**
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- Answer: [First level cause]
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- Evidence: [Supporting evidence]
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2. **Why did [first level cause] happen?**
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- Answer: [Second level cause]
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- Evidence: [Supporting evidence]
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3. **Why did [second level cause] occur?**
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- Answer: [Third level cause]
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- Evidence: [Supporting evidence]
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4. **Why did [third level cause] happen?**
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- Answer: [Fourth level cause]
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- Evidence: [Supporting evidence]
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5. **Why did [fourth level cause] occur?**
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- Answer: [Root cause]
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- Evidence: [Supporting evidence]
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## Solution Strategy
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### Immediate Actions (Completed)
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**Emergency Response:**
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- [Actions taken to restore service]
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- [Workarounds implemented]
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- [System stabilization measures]
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- [User communication and updates]
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**Results:**
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- [Effectiveness of immediate actions]
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- [Service restoration timeline]
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- [Remaining issues or limitations]
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- [Monitoring and validation results]
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### Short-term Solutions (0-30 days)
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**Planned Actions:**
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1. **[Solution 1]**
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- Description: [Detailed solution description]
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- Implementation steps: [Step-by-step procedure]
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- Timeline: [Expected completion date]
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- Owner: [Responsible person/team]
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- Success criteria: [How success will be measured]
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2. **[Solution 2]**
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- Description: [Detailed solution description]
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- Implementation steps: [Step-by-step procedure]
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- Timeline: [Expected completion date]
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- Owner: [Responsible person/team]
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- Success criteria: [How success will be measured]
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### Long-term Solutions (30+ days)
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**Strategic Improvements:**
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1. **[Improvement 1]**
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- Description: [Comprehensive improvement description]
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- Business justification: [Why this improvement is needed]
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- Implementation approach: [High-level implementation strategy]
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- Timeline: [Expected completion timeframe]
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- Resources required: [Personnel, budget, tools needed]
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2. **[Improvement 2]**
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- Description: [Comprehensive improvement description]
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- Business justification: [Why this improvement is needed]
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- Implementation approach: [High-level implementation strategy]
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- Timeline: [Expected completion timeframe]
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- Resources required: [Personnel, budget, tools needed]
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## Prevention Strategy
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### Monitoring and Alerting
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**Enhanced Monitoring:**
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- [New metrics and thresholds to implement]
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- [Alert configurations and escalation procedures]
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- [Dashboard and visualization improvements]
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- [Automated health checks and validations]
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**Early Warning Systems:**
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- [Predictive monitoring and anomaly detection]
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- [Capacity planning and threshold management]
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- [Dependency monitoring and health checks]
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- [Performance baseline establishment]
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### Process Improvements
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**Development Process:**
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- [Code review and quality assurance enhancements]
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- [Testing strategy and coverage improvements]
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- [Deployment and release procedure updates]
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- [Documentation and knowledge sharing improvements]
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**Operational Process:**
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- [Incident response procedure updates]
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- [Change management process improvements]
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- [Capacity planning and resource management]
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- [Training and skill development programs]
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### Technical Improvements
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**System Resilience:**
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- [Error handling and recovery mechanisms]
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- [Redundancy and failover capabilities]
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- [Performance optimization and scaling]
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- [Security hardening and protection]
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**Architecture Enhancements:**
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- [Design pattern improvements]
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- [Integration and dependency management]
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- [Data consistency and integrity measures]
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- [Observability and debugging capabilities]
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## Risk Assessment
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### Implementation Risks
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| Risk | Probability | Impact | Mitigation Strategy |
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|------|-------------|---------|-------------------|
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| [Risk description] | [High/Medium/Low] | [High/Medium/Low] | [Mitigation approach] |
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### Rollback Plan
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**Rollback Triggers:**
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- [Conditions that would trigger rollback]
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- [Monitoring criteria and thresholds]
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- [Stakeholder decision points]
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- [Emergency escalation procedures]
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**Rollback Procedures:**
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1. [Step-by-step rollback procedure]
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2. [Validation and verification steps]
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3. [Communication and notification process]
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4. [Post-rollback analysis and next steps]
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## Testing and Validation
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### Solution Testing
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**Test Plan:**
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- [Unit testing and component validation]
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- [Integration testing and system validation]
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- [Performance testing and load validation]
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- [User acceptance testing and feedback]
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**Success Criteria:**
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- [Functional requirements and acceptance criteria]
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- [Performance benchmarks and targets]
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- [Reliability and availability metrics]
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- [User experience and satisfaction measures]
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### Monitoring Plan
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**Key Metrics:**
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- [Performance indicators to monitor]
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- [Business metrics and KPIs]
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- [Technical health and status metrics]
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- [User experience and satisfaction metrics]
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**Validation Period:**
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- [Duration of monitoring and validation]
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- [Review checkpoints and assessments]
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- [Success criteria and go/no-go decisions]
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- [Escalation procedures and contingencies]
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## Documentation and Knowledge Sharing
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### Lessons Learned
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**Key Insights:**
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- [Important discoveries and learnings]
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- [Process improvements and recommendations]
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- [Technical insights and best practices]
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- [Communication and collaboration improvements]
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**Knowledge Base Updates:**
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- [Documentation updates and additions]
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- [Procedure and runbook improvements]
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- [Training material and resource updates]
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- [Best practice and guideline enhancements]
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### Communication Plan
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**Stakeholder Updates:**
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- [Executive summary and business impact]
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- [Technical team briefings and knowledge transfer]
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- [User communication and training]
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- [Process and procedure updates]
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**Documentation Distribution:**
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- [Internal team and department sharing]
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- [Cross-functional team collaboration]
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- [External vendor and partner communication]
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- [Compliance and audit documentation]
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## Appendices
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### Appendix A: Technical Details
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[Detailed technical information, logs, configurations, etc.]
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### Appendix B: Supporting Data
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[Charts, graphs, metrics, and analytical data]
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### Appendix C: Communication Records
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[Stakeholder communications, decisions, and approvals]
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### Appendix D: References
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[Related documentation, procedures, and external resources]
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---
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**Document Control:**
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- **Version:** [Version number]
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- **Last Updated:** [Update date]
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- **Next Review:** [Scheduled review date]
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- **Approval:** [Approver name and date]
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**Distribution:**
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- [List of recipients and stakeholders]
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Remember: This template ensures comprehensive troubleshooting analysis while maintaining consistency and thoroughness across all investigations.
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