Performance Tuning · interview question
Which tool would you use to generate a heap dump in a running JVM?
Multiple choiceEasychapter-14-curatedpremiumperformance-tuningstop-the-world-pauses
Answer and explanation
Correct answer
A. Jmap
Why
The jmap tool is used to generate heap dumps of a running JVM. Heap dumps are snapshots of the JVM's memory at a certain point in time and can be used for detailed memory analysis.
Test yourself on Performance Tuning
A free test with instant, explained results. No account needed.
More Performance Tuning questions
- In a system using the Z Garbage Collector (ZGC), what is a notable advantage compared to traditional Stop-The-World…
- How would you explain a common cause of a 'java.lang.OutOfMemoryError: Metaspace' error in a JVM application in an…
- How would you explain a key advantage of the Z Garbage Collector (ZGC) over traditional garbage collectors in an…
- CPU is pinned and requests are hanging. Which artifact tells you what threads are doing right now?
- What does the Z Garbage Collector (ZGC) mainly aim to achieve?
- In the context of JVM garbage collection, what is the main benefit of using the G1 Garbage Collector over traditional…