nerdexam
IBM

C1000-163 · Question #81

If it is not tuned properly, custom rules can cause performance issues. Which tool allows you to troubleshoot if a rule causes performance issues?

The correct answer is B. findExpensiveCustomRules.sh. findExpensiveCustomRules.sh is purpose-built to identify which custom rules are consuming excessive resources, making it the go-to diagnostic tool when rule tuning is suspected as a performance bottleneck. threadTop.sh (A) monitors thread-level CPU activity in a general sense…

Performance Tuning and Scaling

Question

If it is not tuned properly, custom rules can cause performance issues. Which tool allows you to troubleshoot if a rule causes performance issues?

Options

  • AthreadTop.sh
  • BfindExpensiveCustomRules.sh
  • CcollectGvStats.sh
  • Dvalidate_ecs_service.sh

How the community answered

(60 responses)
  • A
    15% (9)
  • B
    75% (45)
  • C
    3% (2)
  • D
    7% (4)

Explanation

findExpensiveCustomRules.sh is purpose-built to identify which custom rules are consuming excessive resources, making it the go-to diagnostic tool when rule tuning is suspected as a performance bottleneck. threadTop.sh (A) monitors thread-level CPU activity in a general sense - useful for spotting overloaded threads, but not specific to custom rule evaluation. collectGvStats.sh (C) gathers global variable statistics for memory/state analysis, not rule performance profiling. validate_ecs_service.sh (D) is an ECS service health/configuration validator, unrelated to rule performance troubleshooting entirely.

Memory tip: The script name tells you exactly what it does - "find expensive custom rules." When you see a performance question about custom rules, look for the script whose name literally describes the problem you're solving.

Topics

#custom rules#performance troubleshooting#tool identification#rule optimization

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