Question-77: You are working with the read heavy database requirement and you decide to use the Cassandra caching mechanism, which of the following is are correct for Cassandra inbuilt caching?
- You can only cache the Partition Key
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Ans: B, D
Exp: Cassandra provides the in-built caching solution. There are two things which can be cached in case of Cassandra database as below. Key caching is enabled by default and high level of key caching are recommended for most of the scenarios. Row cache and Key cache can co-exist.
- Partition Key cache: This caches the partition index for a Cassandra table. If you don’t enable this then Cassandra would read the data directly from the Disk.
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