Question-112: Which of the following statements are true with regards to garbage collection in the Cassandra, database?

  1. You should have as much as low gc as possible.
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Ans : A,D

Exp : First of all you can get to know the all gc (garbage collection) detail using the “nodetool gcstats” command. Any application which is built using the JAVA, has to aware about all the gcstats. As Cassandra is developed using the JAVA and require JVM to work. Hence, gcstats is very critical for Cassandra DB performance. So, you can clearly say option-3 is not correct.

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Category: Datastax Cassandra Administrator Certification