- A
Change the compute-type to 'BUILD_GENERAL1_MEDIUM' or 'BUILD_GENERAL1_LARGE' in the buildspec.
Larger compute types provide more memory.
- B
Enable Amazon S3 caching for the build artifacts to reduce memory usage.
Why wrong: Caching artifacts does not affect runtime memory.
- C
Split the build into multiple parallel CodeBuild actions in the pipeline, each compiling a subset of the code.
Why wrong: Parallel builds do not increase memory for a single build process.
- D
Set the environment variable 'MEMORY_OVERPROVISION=2' in the buildspec.
Why wrong: CodeBuild does not support a memory overprovisioning environment variable.
Question 611 of 1,750
How to Fix Insufficient Memory in CodeBuild
This DOP-C02 practice question tests your understanding of sdlc automation. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company uses AWS CodeBuild to compile Java applications. The builds often fail due to insufficient memory. The buildspec currently specifies 'compute-type: BUILD_GENERAL1_SMALL'. What is the most cost-effective solution to resolve the memory issues without changing the build logic?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change the compute-type to 'BUILD_GENERAL1_MEDIUM' or 'BUILD_GENERAL1_LARGE' in the buildspec.
Option A is correct because the most direct and cost-effective way to resolve insufficient memory in AWS CodeBuild is to increase the compute type to a larger size (e.g., BUILD_GENERAL1_MEDIUM or BUILD_GENERAL1_LARGE), which provides more memory without altering the build logic. This change incurs additional cost only when builds run, and it avoids unnecessary complexity or invalid approaches.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Change the compute-type to 'BUILD_GENERAL1_MEDIUM' or 'BUILD_GENERAL1_LARGE' in the buildspec.
Why this is correct
Larger compute types provide more memory.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Enable Amazon S3 caching for the build artifacts to reduce memory usage.
Why it's wrong here
Caching artifacts does not affect runtime memory.
- ✗
Split the build into multiple parallel CodeBuild actions in the pipeline, each compiling a subset of the code.
Why it's wrong here
Parallel builds do not increase memory for a single build process.
- ✗
Set the environment variable 'MEMORY_OVERPROVISION=2' in the buildspec.
Why it's wrong here
CodeBuild does not support a memory overprovisioning environment variable.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may think caching or parallelism can solve memory issues, but neither addresses the fundamental lack of memory per build instance, and the fabricated environment variable 'MEMORY_OVERPROVISION' is designed to lure those who guess at undocumented features.
Detailed technical explanation
How to think about this question
AWS CodeBuild compute types define fixed allocations of vCPU and memory: BUILD_GENERAL1_SMALL provides 3 GB memory and 2 vCPUs, BUILD_GENERAL1_MEDIUM provides 7 GB memory and 4 vCPUs, and BUILD_GENERAL1_LARGE provides 15 GB memory and 8 vCPUs. When a Java build runs out of memory, it is typically due to the JVM heap size exceeding the container's memory limit, causing the build to be killed by the operating system's OOM killer. Upgrading the compute type is the only way to increase the memory ceiling without modifying the build commands or application code.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Visual reference
What to study next
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FAQ
Questions learners often ask
What does this DOP-C02 question test?
SDLC Automation — This question tests SDLC Automation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Change the compute-type to 'BUILD_GENERAL1_MEDIUM' or 'BUILD_GENERAL1_LARGE' in the buildspec. — Option A is correct because the most direct and cost-effective way to resolve insufficient memory in AWS CodeBuild is to increase the compute type to a larger size (e.g., BUILD_GENERAL1_MEDIUM or BUILD_GENERAL1_LARGE), which provides more memory without altering the build logic. This change incurs additional cost only when builds run, and it avoids unnecessary complexity or invalid approaches.
What should I do if I get this DOP-C02 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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