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

Which JVM option can help reduce the impact of garbage collection on Cassandra's read and write operations?

-XX:+UseStringDeduplication

-XX:+UseGCOverheadLimit

-XX:+UseAdaptiveSizePolicy

-XX:+UseParallelOldGC

None

-XX:+UseParallelOldGC can help reduce the impact of garbage collection on read and write operations by using multiple threads to perform old generation collections.

Which of the following is a best practice for tuning garbage collection in Cassandra?

Enable verbose GC logging

Use the default JVM settings

Regularly adjust heap size based on workload

Disable garbage collection

None

Enabling verbose GC logging is a best practice as it provides insights into GC behavior, allowing for better tuning and troubleshooting.

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