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3 cards from this section. Quick, good the night before a test.
What flag is used to set the initial heap size in JVM?
Think about the starting point of the heap.
What does the -Xmx flag indicate?
Recall what the maximum limit of something means.
What is the purpose of -Xms in JVM tuning?
Remember the starting point concept.
True or False: A higher Survivor space allocation can reduce garbage collection times.
Consider the balance of allocation and collection times.
Given an application that frequently encounters OutOfMemoryErrors, how would you approach tuning the JVM heap settings to resolve this issue?
Understand the application workload and tailor your settings accordingly.
An application has a mixed workload but results in long garbage collection pauses. How might you adjust your Eden and Survivor space configurations?
It’s about finding the right balance in memory distribution.
5 more questions in this section. Enroll free to practise them all.
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