Practice Common Jvm Flags (10.8.1) - JVM Internals and Performance Tuning

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10 questions

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6 sample questions

Question 1.
What does the -Xms flag do?
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Think about memory allocation at startup.
Question 2.
What is the purpose of the -Xmx flag?
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Consider how much memory your program can use.
3Question 3.
What does the -Xms flag do in JVM?
- Sets maximum heap size
- Sets initial heap size
- Configures garbage collector
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Think about memory usage when the application starts.
4Question 4.
The -XX:+UseG1GC flag enables which feature in the JVM?
- True, it sets the G1 Garbage Collector
- False, it disables garbage collection
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Consider tech that manages memory efficiently.
Question 5.
You are tasked with tuning a Java application that processes large datasets. Which JVM flags would you prioritize, and why?
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Think about the application's memory needs.
Question 6.
Explain how you would analyze a memory leak issue in a production application using JVM flags.
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Consider tools that help visualize heap dumps.

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