Most Asked K6 Interview Questions [2025 Updated]

K6 Scripting Essentials

1. How do you debug a K6 script that fails to run?

Check syntax errors using k6 run --quiet script.js. Validate imports like import http from 'k6/http'. Use k6 inspect script.js for configuration issues. Monitor metrics with Prometheus. Log issues in Confluence for traceability. Notify teams via Slack. Example:

import http from 'k6/http';
export default function () {
  http.get('https://api.example.com');
}

Debugging ensures reliable script execution.

2. What are common reasons for K6 script failures?

• Incorrect VU settings in options.vus.
• API endpoint unavailability during tests.
• Syntax errors in K6 script imports.
• Validate with k6 inspect script.js for errors.
• Monitor failure metrics with Prometheus.
• Document issues in Confluence for audits.
• Notify teams via Slack for coordination.

See K6 performance testing for scripting insights.

3. Why do K6 scripts produce inconsistent results?

Inconsistent results stem from variable environment conditions. Verify options.stages for stable ramp-up. Check Kubernetes pod consistency with kubectl get pods. Validate with k6 inspect script.js. Monitor metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Stable configurations ensure consistent outcomes.

Correct settings reduce variability.

4. When do you validate K6 script configurations?

• Validate before running load tests.
• Check post-script updates in Git.
• Verify with k6 inspect script.js for accuracy.
• Monitor validation metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

5. Where do you store K6 script configurations?

• Store in Git repositories for version control.
• Backup in AWS S3 for redundancy.
• Validate with k6 inspect script.js for accuracy.
• Monitor storage metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.
• Use aws s3 ls for cloud storage checks.

6. Who writes K6 scripts for performance testing?

• Performance engineers develop K6 scripts.
• Collaborate with DevOps for pipeline integration.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

7. Which tools validate K6 script accuracy?

• K6 CLI for syntax checks via k6 inspect.
• Prometheus for runtime metric validation.
• Grafana for visualizing script performance.
• Jenkins for CI/CD script validation.
• Confluence for documenting test plans.
• Slack for team notifications.
• AWS CloudWatch for cloud metrics.

8. How do you optimize K6 script performance?

Adjust options.vus for efficient load. Optimize http.get parameters for faster responses. Validate with k6 run --quiet script.js. Monitor performance metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Example:

export let options = {
  vus: 50,
  duration: '5m',
};

Optimizing scripts enhances test efficiency.

9. What impacts K6 script execution in Kubernetes?

• Misconfigured K6 container resources.
• Network policies blocking API access.
• Incorrect script endpoint configurations.
• Validate with kubectl get pods for errors.
• Monitor execution metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

See load testing strategies for Kubernetes tips.

10. Why do K6 scripts fail to simulate real-world traffic?

Failures occur due to unrealistic VU settings. Verify options.stages for proper ramp-up. Validate with k6 inspect script.js. Monitor traffic metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Realistic configurations ensure accurate simulations.

Correct settings improve traffic modeling.

Load Testing Strategies

11. How do you configure K6 for stress testing?

Set high VU counts in options.vus for stress scenarios. Adjust options.stages for peak loads. Validate with k6 inspect script.js. Monitor stress metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Example:

export let options = {
  vus: 200,
  stages: [{ duration: '2m', target: 200 }],
};

Configuring stress tests ensures system resilience.

12. What triggers K6 load test failures?

• Excessive VUs overwhelming APIs.
• Network latency in test environments.
• Incorrect script timeout settings.
• Validate with k6 inspect script.js for errors.
• Monitor failure metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

13. Why do K6 load tests produce high latency?

High latency results from overloaded APIs. Verify options.timeout in K6 script. Optimize API endpoints with curl. Validate with k6 inspect script.js. Monitor latency metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Optimizing endpoints reduces latency issues.

Correct configurations ensure low latency.

14. When do you run K6 load tests in production?

• Run before major feature deployments.
• Test during low-traffic periods.
• Validate with k6 inspect script.js for accuracy.
• Monitor load metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

15. Where do you execute K6 load tests for CI/CD?

• Execute in Jenkins for pipeline integration.
• Run in AWS CodePipeline for cloud workflows.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

See CI/CD pipeline integration for K6 workflows.

16. Who configures K6 load tests in DevOps?

• Performance engineers set up K6 scripts.
• DevOps engineers integrate with CI/CD.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

17. Which metrics track K6 load test performance?

• HTTP error rates in K6 output.
• Response latency in Prometheus metrics.
• VU success rates in Grafana dashboards.
• Validate with k6 inspect script.js for errors.
• Monitor performance metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

18. How do you mitigate K6 load test timeouts?

Reduce options.timeout in K6 script for faster responses. Validate with k6 run --quiet script.js. Optimize API endpoints with curl. Monitor timeout metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Mitigating timeouts ensures reliable load testing.

19. What causes K6 load test instability?

• Unstable Kubernetes pod resources.
• Network congestion during tests.
• Incorrect VU configurations in scripts.
• Validate with k6 inspect script.js for errors.
• Monitor stability metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

20. Why do K6 load tests fail in high-traffic scenarios?

Failures occur due to insufficient VU scaling. Verify options.vus in K6 script. Adjust options.stages for traffic spikes. Validate with k6 inspect script.js. Monitor scaling metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper scaling ensures high-traffic reliability.

Correct configurations support traffic surges.

K6 Observability Techniques

21. How do you troubleshoot missing K6 metrics in Grafana?

Verify Prometheus data source in Grafana. Check k6 run --out influxdb settings. Update K6 script for correct outputs. Validate with k6 inspect script.js. Monitor metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Troubleshooting restores metric visibility.

22. What prevents K6 metrics from appearing in Prometheus?

• Misconfigured prometheus.yml scrape jobs.
• Incorrect K6 output settings for InfluxDB.
• Network issues blocking metric transmission.
• Validate with k6 inspect script.js for errors.
• Monitor metric metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

See observability metrics for K6 telemetry tips.

23. Why do K6 test results lack observability?

Lack of observability stems from missing telemetry outputs. Verify k6 run --out influxdb in script. Update Prometheus scrape configs. Validate with k6 inspect script.js. Monitor observability metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper telemetry enhances observability.

Correct configurations ensure metric visibility.

24. When do you calibrate K6 observability tools?

• Calibrate after adding new K6 scripts.
• Adjust post-telemetry gap detection.
• Validate with k6 inspect script.js for accuracy.
• Monitor observability metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

25. Where do you visualize K6 test metrics?

• Visualize in Grafana for real-time dashboards.
• Export to InfluxDB for time-series data.
• Analyze in ELK stack via Kibana.
• Validate with k6 inspect script.js for accuracy.
• Monitor metrics with Prometheus.
• Document in Confluence for traceability.
• Use aws cloudwatch get-metric-data for validation.

26. Who monitors K6 test observability?

• Performance engineers track K6 metrics.
• Collaborate with SREs for telemetry issues.
• Validate with k6 inspect script.js for accuracy.
• Monitor observability metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

27. Which tools enhance K6 observability?

• Prometheus for real-time test metrics.
• Grafana for visualizing performance trends.
• InfluxDB for storing K6 test results.
• ELK stack for log analytics via Kibana.
• Confluence for documenting test plans.
• Slack for team notifications.
• AWS CloudWatch for cloud metrics.

28. How do you reduce K6 observability alert noise?

Adjust Prometheus alert rules for critical thresholds. Update prometheus.yml for selective alerting. Validate with k6 inspect script.js. Monitor alert metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Reducing noise improves K6 observability efficiency. See Kubernetes performance testing for observability strategies.

29. What automates K6 metric collection?

• Configure k6 run --out influxdb for automation.
• Integrate with Grafana for dashboard automation.
• Validate with k6 inspect script.js for accuracy.
• Monitor telemetry metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.
• Use aws cloudwatch get-metric-data for validation.

30. Why do K6 metrics fail to display in dashboards?

Display failures occur due to incorrect InfluxDB outputs. Verify k6 run --out influxdb settings. Update Grafana data source for K6 metrics. Validate with k6 inspect script.js. Monitor display metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper configurations restore dashboard visibility.

Correct settings ensure metric display.

K6 CI/CD Integration

31. How do you integrate K6 with Jenkins pipelines?

Add k6 run script.js to Jenkinsfile for automated testing. Configure Git webhooks for triggers. Validate with k6 inspect script.js. Monitor pipeline metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Example:

pipeline {
  stage('K6 Load Test') {
    steps {
      sh 'k6 run script.js'
    }
  }
}

Integration ensures seamless CI/CD workflows.

32. What causes K6 pipeline integration failures?

• Incorrect k6 run commands in Jenkinsfile.
• Misconfigured Git webhooks for triggers.
• Kubernetes resource limits for K6 pods.
• Validate with k6 inspect script.js for errors.
• Monitor pipeline metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

33. Why do K6 tests fail in CI/CD pipelines?

Pipeline failures stem from incorrect script configurations. Verify options.vus in K6 script. Update Jenkinsfile for proper execution. Validate with k6 inspect script.js. Monitor pipeline metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Correct configurations ensure pipeline reliability.

Proper settings restore test execution.

34. When do you schedule K6 tests in CI/CD?

• Schedule post-code commits in Jenkins.
• Run before production deployments.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

35. Where do you configure K6 for CI/CD pipelines?

• Configure in Jenkins for pipeline integration.
• Set up in AWS CodePipeline for cloud workflows.
• Validate with k6 inspect script.js for accuracy.
• Monitor pipeline metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

See DORA metrics for K6 for pipeline optimization.

36. Who troubleshoots K6 pipeline issues?

• Performance engineers debug K6 scripts.
• DevOps engineers fix pipeline configurations.
• Validate with k6 inspect script.js for accuracy.
• Monitor pipeline metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

37. Which tools support K6 in CI/CD workflows?

• Jenkins for pipeline automation.
• Prometheus for pipeline performance metrics.
• Grafana for visualizing pipeline trends.
• InfluxDB for storing test results.
• Confluence for documenting issues.
• Slack for team notifications.
• AWS CloudWatch for cloud pipeline logs.

38. How do you automate K6 test execution in CI/CD?

Configure GitHub webhooks to trigger k6 run script.js. Update Jenkinsfile for automated runs. Validate with k6 inspect script.js. Monitor pipeline metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Automation ensures consistent K6 test execution.

39. What prevents K6 pipeline test failures?

• Correct K6 script configurations.
• Validated Git repository webhooks.
• Adequate Kubernetes resource allocations.
• Validate with k6 inspect script.js for accuracy.
• Monitor pipeline metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

40. Why does K6’s DORA metrics tracking fail?

Tracking failures occur due to telemetry misconfigurations. Verify k6 run --out influxdb settings. Update Prometheus scrape jobs. Validate with k6 inspect script.js. Monitor DORA metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Accurate telemetry ensures reliable DORA tracking.

Correct configurations restore metrics.

K6 Security Practices

41. How do you secure K6 tests with authentication?

Use API tokens in K6 script headers via http.get. Store tokens in AWS Secrets Manager. Validate with k6 run --quiet script.js. Monitor security metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Example:

import http from 'k6/http';
export default function () {
  http.get('https://api.example.com', { headers: { Authorization: 'Bearer token' } });
}

Securing tests ensures protected workflows.

42. What protects K6 tests from unauthorized access?

• OAuth tokens in K6 script headers.
• Secrets stored in AWS Secrets Manager.
• Kubernetes RBAC for access control.
• Validate with k6 inspect script.js for accuracy.
• Monitor access metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

See secure K6 testing for security practices.

43. Why do K6 tests fail due to authentication issues?

Authentication issues arise from expired tokens. Verify tokens in AWS Secrets Manager with aws secretsmanager get-secret-value. Update K6 script headers. Validate with k6 inspect script.js. Monitor security metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws secretsmanager list-secrets for validation. Valid tokens ensure secure testing.

Correct authentication restores test execution.

44. When do you update K6 test security settings?

• Update after token expiration in scripts.
• Revise post-security incident detection.
• Validate with k6 inspect script.js for accuracy.
• Monitor security metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws secretsmanager list-secrets for validation.

45. Where do you store K6 test credentials?

• Store in AWS Secrets Manager for security.
• Backup in HashiCorp Vault for redundancy.
• Validate with k6 inspect script.js for accuracy.
• Monitor access metrics with Prometheus.
• Document in Confluence for audits.
• Notify teams via Slack for updates.
• Use aws s3 ls for cloud storage checks.

46. Who handles K6 test security incidents?

• Performance engineers investigate script issues.
• Security teams resolve access violations.
• Validate with k6 inspect script.js for accuracy.
• Monitor security metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

47. Which tools detect K6 test vulnerabilities?

• Falco for runtime security monitoring.
• Prometheus for test security metrics.
• AWS Security Hub for cloud vulnerabilities.
• Validate with k6 inspect script.js for accuracy.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.
• Use aws securityhub get-findings for validation.

48. How do you mitigate K6 credential leaks?

Rotate credentials in AWS Secrets Manager. Update K6 script headers with new tokens. Validate with k6 run --quiet script.js. Monitor security metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws secretsmanager list-secrets for validation. Mitigating leaks ensures secure K6 testing.

49. What triggers K6 test security alerts?

• Unauthorized API access attempts in logs.
• Expired tokens in K6 scripts.
• Misconfigured Kubernetes RBAC policies.
• Validate with k6 inspect script.js for errors.
• Monitor alert metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

See multi-cloud K6 testing for security insights.

50. Why do K6 tests fail in secure Kubernetes environments?

Failures occur due to strict RBAC policies. Verify permissions with kubectl get rolebindings. Update K6 container roles. Validate with k6 inspect script.js. Monitor security metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper RBAC ensures secure test execution.

Correct configurations restore testing.

K6 Scalability Testing

51. How do you optimize K6 for high-traffic testing?

Configure scalable VUs in K6 script with options.vus. Adjust options.stages for gradual ramp-up. Validate with k6 inspect script.js. Monitor scalability metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Example:

export let options = {
  vus: 100,
  stages: [{ duration: '5m', target: 100 }],
};

Optimizing ensures high-traffic reliability.

52. What causes K6 test resource exhaustion?

• Excessive VUs in K6 script configurations.
• Overloaded Kubernetes pod resources.
• Network bottlenecks during tests.
• Validate with kubectl get pods for errors.
• Monitor resource metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

53. Why does K6 fail to scale in multi-cluster setups?

Scaling failures occur due to inconsistent cluster resources. Verify kubectl get nodes for capacity. Adjust K6 script for distributed VUs. Validate with k6 inspect script.js. Monitor scalability metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper scaling ensures multi-cluster reliability.

Correct configurations enable scalability.

54. When do you tune K6 for scalability testing?

• Tune during high-traffic simulations.
• Adjust post-performance degradation.
• Validate with k6 inspect script.js for accuracy.
• Monitor scalability metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

55. Where do you monitor K6 scalability metrics?

• Monitor in Grafana for real-time trends.
• Export to InfluxDB for time-series data.
• Analyze in ELK stack via Kibana.
• Validate with k6 inspect script.js for accuracy.
• Monitor metrics with Prometheus.
• Document in Confluence for traceability.
• Use aws cloudwatch get-metric-data for validation.

56. Who optimizes K6 for scalability?

• Performance engineers tune K6 scripts.
• Collaborate with SREs for resource optimization.
• Validate with k6 inspect script.js for accuracy.
• Monitor scalability metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

See GitOps for K6 for scalability workflows.

57. Which metrics indicate K6 scalability issues?

• High HTTP error rates in K6 output.
• Elevated latency in Prometheus metrics.
• VU failures in Grafana dashboards.
• Validate with k6 inspect script.js for errors.
• Monitor scalability metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

58. How do you mitigate K6 test timeouts in scalability tests?

Reduce options.timeout in K6 script for faster responses. Validate with k6 run --quiet script.js. Optimize API endpoints with curl. Monitor timeout metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Mitigating timeouts ensures scalable testing.

59. What triggers K6 scalability alerts?

• High latency in K6 test results.
• Excessive HTTP errors in Prometheus.
• Resource exhaustion in Kubernetes pods.
• Validate with k6 inspect script.js for errors.
• Monitor alert metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

60. Why does K6 resource usage spike in cloud environments?

Spikes occur due to unoptimized VU settings. Verify options.vus in K6 script. Adjust for cost efficiency. Validate with k6 inspect script.js. Monitor cost metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Optimization reduces cloud costs.

Correct settings ensure cost efficiency.

K6 Compliance Testing

61. How do you ensure K6 tests meet compliance requirements?

Implement audit logging in K6 scripts. Validate with k6 inspect script.js. Monitor compliance metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Example:

import http from 'k6/http';
export default function () {
  http.get('https://api.example.com/compliance');
}

Ensuring compliance supports regulatory adherence.

62. What causes gaps in K6 compliance logs?

• Misconfigured log outputs in K6 scripts.
• Network issues blocking log transmission.
• Insufficient ELK stack storage capacity.
• Validate with k6 inspect script.js for errors.
• Monitor log metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

63. Why do K6 tests fail compliance audits?

Audit failures occur due to incomplete logging. Verify K6 script for audit trails. Update scripts for compliance data. Validate with k6 inspect script.js. Monitor compliance metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper logging ensures compliance. See chaos engineering in K6 for compliance strategies.

Correct configurations pass audits.

64. When do you review K6 compliance configurations?

• Review monthly via K6 test logs.
• Audit post-security incidents.
• Validate with k6 inspect script.js for accuracy.
• Monitor compliance metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

65. Where do you store K6 compliance logs?

• Store in InfluxDB for time-series logs.
• Export to ELK stack via Kibana for analytics.
• Archive in Confluence for audits.
• Validate with k6 inspect script.js for accuracy.
• Monitor log metrics with Prometheus.
• Notify teams via Slack for updates.
• Use aws s3 ls for cloud storage checks.

66. Who enforces K6 compliance policies?

• Performance engineers configure K6 scripts.
• Compliance teams enforce regulations.
• Validate with k6 inspect script.js for accuracy.
• Monitor compliance metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

67. Which metrics track K6 compliance issues?

• Policy violation rates in K6 output.
• Audit log completeness in Prometheus.
• Compliance errors in Grafana dashboards.
• Validate with k6 inspect script.js for errors.
• Monitor compliance metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

68. How do you fix K6 compliance policy errors?

Update K6 scripts for correct policy logging. Validate with k6 inspect script.js. Monitor policy metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Fixing errors ensures compliant K6 testing.

69. What supports K6 data governance?

• RBAC configurations in Kubernetes for K6.
• Audit trails in K6 test logs.
• Secure token storage in AWS Secrets Manager.
• Validate with k6 inspect script.js for accuracy.
• Monitor governance metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

70. Why do K6 tests fail in platform engineering setups?

Failures occur due to Kubernetes compatibility issues. Verify K6 container resources with kubectl get pods. Update scripts for platform alignment. Validate with k6 inspect script.js. Monitor integration metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper integration ensures compatibility. See policy as code for K6 for governance tips.

Correct configurations enable integration.

K6 Multi-Cluster Testing

71. How do you troubleshoot K6 multi-cluster test failures?

Verify cluster consistency with kubectl get nodes. Update K6 script for distributed VUs. Validate with k6 inspect script.js. Monitor test metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Example:

export let options = {
  vus: 50,
  stages: [{ duration: '5m', target: 50 }],
};

Troubleshooting ensures multi-cluster reliability.

72. What causes K6 test delays in multi-cluster setups?

• High VU processing in K6 scripts.
• Network latency between clusters.
• Overloaded Kubernetes pods.
• Validate with kubectl get pods for errors.
• Monitor delay metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

73. Why do K6 chaos tests fail in multi-cluster environments?

Chaos test failures occur due to incorrect fault injection settings. Verify K6 script for chaos scenarios. Update options.stages for proper testing. Validate with k6 inspect script.js. Monitor resilience metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper configurations ensure robust chaos testing.

Correct settings enhance resilience.

74. When do you use K6 for progressive load testing?

• Use during feature rollouts in production.
• Test in staging for validation.
• Validate with k6 inspect script.js for accuracy.
• Monitor load metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

75. Where do you configure K6 for multi-cluster testing?

• Configure in Kubernetes for distributed tests.
• Set up in AWS EKS for cloud testing.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

76. Who resolves K6 multi-cluster test issues?

• Performance engineers debug K6 scripts.
• Platform engineers fix cluster issues.
• Validate with k6 inspect script.js for accuracy.
• Monitor cluster metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

77. Which tools support K6 in high-availability testing?

• Kubernetes for workload orchestration.
• Prometheus for availability metrics.
• Grafana for visualizing HA trends.
• InfluxDB for storing test results.
• Confluence for documenting configurations.
• Slack for team notifications.
• AWS CloudWatch for cloud metrics.

See FinOps optimization for HA testing strategies.

78. How do you reduce K6 cross-cluster latency?

Optimize VU distribution in K6 script. Validate with k6 inspect script.js. Monitor latency metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Optimizing distribution reduces multi-cluster latency.

79. What indicates K6 test configuration errors?

• High error rates in K6 test output.
• Pod crashes in Kubernetes logs.
• Incorrect VU settings in K6 scripts.
• Validate with k6 inspect script.js for errors.
• Monitor error metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

80. Why do K6 tests fail in secure multi-cluster setups?

Failures occur due to strict network policies. Verify Kubernetes network policies with kubectl get networkpolicies. Update K6 script for secure endpoints. Validate with k6 inspect script.js. Monitor test metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper policies ensure secure testing.

Correct configurations restore secure tests.

K6 Advanced Scenarios

81. How do you handle K6 resource quota violations?

Check Kubernetes quotas with kubectl get resourcequotas. Update K6 script for optimized VUs (e.g., options.vus: 50). Validate with k6 inspect script.js. Monitor resource metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Managing quotas ensures stable K6 testing.

82. What causes K6 webhook latency issues?

• High response times in K6 scripts.
• Network congestion in Kubernetes clusters.
• Overloaded API endpoints during tests.
• Validate with k6 inspect script.js for errors.
• Monitor webhook metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

83. Why do K6 progressive load tests fail?

Progressive test failures occur due to incorrect stage configurations. Verify options.stages in K6 script. Update for gradual ramp-up. Validate with k6 inspect script.js. Monitor test metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper configurations ensure test success.

Correct settings restore progressive testing.

84. When do you use K6 for multi-region load testing?

• Use during global application rollouts.
• Test in staging for region-specific validation.
• Validate with k6 inspect script.js for accuracy.
• Monitor load metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

See environment parity for K6 for multi-region strategies.

85. Where do you debug K6 test failures in multi-tenant setups?

• Debug in Kubernetes for tenant-specific issues.
• Analyze logs in ELK stack via Kibana.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

86. Who manages K6 multi-tenant test configurations?

• Performance engineers configure K6 scripts.
• Collaborate with platform engineers for tenant isolation.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

87. Which tools support K6 in chaos engineering?

• Chaos Mesh for fault injection.
• Prometheus for resilience metrics.
• Grafana for visualizing chaos trends.
• InfluxDB for storing test results.
• Confluence for documenting tests.
• Slack for team notifications.
• AWS CloudWatch for cloud metrics.

88. How do you optimize K6 for large-scale load testing?

Optimize VU distribution in K6 script for scalability. Update options.stages for efficient ramp-up. Validate with k6 inspect script.js. Monitor test metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Optimization ensures efficient large-scale testing.

89. What causes K6 multi-cluster test drift?

• Inconsistent VU configurations across clusters.
• Network delays in K6 test execution.
• Resource mismatches in Kubernetes pods.
• Validate with k6 inspect script.js for errors.
• Monitor drift metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

90. Why do K6 test rollbacks fail?

Rollback failures occur due to incorrect script configurations. Verify options.vus for rollback compatibility. Update K6 script for proper execution. Validate with k6 inspect script.js. Monitor rollback metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper configurations ensure rollback success.

Correct settings restore rollback functionality.

91. When do you configure K6 for blue-green testing?

• Configure during production releases.
• Test in staging for validation.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

See compliance in K6 testing for blue-green strategies.

92. Where do you debug K6 sync failures in multi-tenant setups?

• Debug in Kubernetes for tenant-specific issues.
• Analyze logs in ELK stack via Kibana.
• Validate with k6 inspect script.js for accuracy.
• Monitor sync metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

93. How do you ensure K6 high availability in production?

Configure distributed VUs in K6 script for HA. Validate with k6 inspect script.js. Monitor availability metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Ensuring high availability supports reliable K6 testing.

94. What indicates K6 test execution failures?

• High HTTP error rates in K6 output.
• Pod crashes in Kubernetes logs.
• Incorrect script configurations in K6.
• Validate with k6 inspect script.js for errors.
• Monitor failure metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

95. Why does K6’s environment parity fail across clusters?

Parity failures occur due to configuration drift. Verify K6 script consistency across clusters. Update options.vus for parity. Validate with k6 inspect script.js. Monitor parity metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Parity ensures consistent testing.

Correct configurations restore parity.

96. When do you use K6 for API stress testing?

• Use during high-traffic API simulations.
• Test in staging for validation.
• Validate with k6 inspect script.js for accuracy.
• Monitor stress metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

97. Where do you configure K6 for multi-language app testing?

• Configure in K6 scripts for app-specific APIs.
• Apply in Kubernetes for multi-language deployments.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

98. Who manages K6 multi-language test configurations?

• Performance engineers configure K6 scripts.
• Collaborate with developers for app compatibility.
• Validate with k6 inspect script.js for accuracy.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for coordination.
• Use aws cloudwatch get-metric-data for validation.

99. Which tools support K6 in multi-tenant scenarios?

• Kubernetes for namespace isolation.
• Prometheus for tenant-specific metrics.
• Grafana for visualizing tenant trends.
• InfluxDB for storing test results.
• Confluence for documenting configurations.
• Slack for team notifications.
• AWS CloudWatch for cloud metrics.

100. How do you optimize K6 for multi-tenant load testing?

Configure tenant-specific VUs in K6 script. Update options.vus for isolation. Validate with k6 inspect script.js. Monitor tenant metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Optimization ensures efficient multi-tenant testing.

101. What causes K6 test failures in multi-tenant setups?

• Inconsistent VU configurations across tenants.
• Resource conflicts in Kubernetes namespaces.
• Network delays in test execution.
• Validate with k6 inspect script.js for errors.
• Monitor test metrics with Prometheus.
• Document in Confluence for traceability.
• Notify teams via Slack for updates.

102. Why does K6’s multi-tenant isolation fail?

Isolation failures occur due to overlapping namespace configurations. Verify K6 script for tenant-specific settings. Update options.vus for isolation. Validate with k6 inspect script.js. Monitor isolation metrics with Prometheus. Document in Confluence for audits. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Proper isolation ensures tenant security.

Correct configurations restore isolation.

103. How do you ensure K6 scalability in multi-tenant environments?

Configure scalable VUs in K6 script for multi-tenant testing. Update options.stages for distributed load. Validate with k6 inspect script.js. Monitor scalability metrics with Prometheus. Document in Confluence for traceability. Notify via Slack. Use aws cloudwatch get-metric-data for validation. Ensuring scalability supports robust K6 testing.