Hadoop - Performance Tuning
Which configuration property sets the maximum heap size for Java processes inside Hadoop containers?
Which configuration property sets the maximum heap size for Java processes inside Hadoop containers?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Identify Java heap size setting
The Java heap size is controlled by Java options, not container memory size.Step 2: Match property to Java heap size
mapreduce.map.java.optssets Java options including heap size for map tasks.Final Answer:
mapreduce.map.java.opts -> Option BQuick Check:
Java heap size set via java.opts property [OK]
Quick Trick: Java heap size is set in java.opts, not memory.mb [OK]
Common Mistakes:
- Confusing container memory with Java heap size
- Choosing memory.mb properties for heap size
- Mixing map and reduce properties
Master "Performance Tuning" in Hadoop
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore Hadoop Quizzes