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Java · Interview Question

What is a safepoint and why might long time-to-safepoint (TTSP) spikes occur?

Detailed answer, explanation and code for this interview question. Ideal for Java interview preparation, coding rounds and viva questions.

Difficulty: HardType: MCQ

Question Overview

Subject

Java

Asked in Companies

Problem Statement

What is a safepoint and why might long time-to-safepoint (TTSP) spikes occur?

Explanation

At safepoints the JVM halts mutator threads. If a thread can’t poll (e.g., busy native call or hot loop with eliminated polls), the VM waits, inflating pause time.

Practice Sets

This question appears in the following practice sets:

Java Memory Model, GC & Performance Tuning

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What is a safepoint and why might long time-to-safepoint (TTSP) spikes occur? - Java | Preplance Interview Prep | Preplance

Master Interviews
Anywhere, Anytime

What is a safepoint and why might long time-to-safepoint (TTSP) spikes occur?

Problem Statement

Explanation

Practice Sets

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Master Interviews Anywhere, Anytime

What is a safepoint and why might long time-to-safepoint (TTSP) spikes occur?

Problem Statement

Explanation

Practice Sets

Related Questions

Why is Java considered platform independent?

Pick the correct mapping:

Which area holds per-thread call frames (locals, operand stack)?

Explain the delegation model of classloaders and why it matters for security.

What does the JIT do at runtime?

More from Java

Master Interviews
Anywhere, Anytime