JVM Heap & Garbage Collection Tuning Quiz

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☕ Cassandra Administration – JVM Heap & Garbage Collection Tuning

20 questions · 15 min timer · Explanations included · Free

What is a common symptom of an improperly tuned JVM heap in a Cassandra cluster?

Frequent node restarts

Slow compaction processes

Increased read latency

High disk usage

None

Increased read latency can be a symptom of an improperly tuned JVM heap, as inefficient garbage collection can delay read operations.

What is the recommended maximum heap size for a Cassandra node to avoid long garbage collection pauses?

8 GB

16 GB

4 GB

32 GB

None

The recommended maximum heap size for Cassandra nodes is 16 GB to avoid long garbage collection pauses, as larger heaps can lead to longer GC times.

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