DATABASE FUNDAMENTALS
BASICS OF BIG DATA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Key-value
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Memtable
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Gossip
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Heartbeat
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Detailed explanation-1: -Cassandra uses a protocol called gossip to discover location and state information about the other nodes participating in a Cassandra cluster. How data is distributed and factors influencing replication. A partitioner determines how data is distributed across the nodes in the cluster (including replicas).
Detailed explanation-2: -Cassandra uses the gossip protocol to discover the location of other nodes in the cluster and get state information of other nodes in the cluster.
Detailed explanation-3: -A node represents a single instance of Cassandra. These nodes communicate with one another through a protocol called gossip, which is a process of computer peer-to-peer communication.
Detailed explanation-4: -1. Which of the following is true about Apache Cassandra? Explanation: Apache Cassandra is a free and open-source, distributed, wide column store.
Detailed explanation-5: -Cassandra is an open-source NoSQL distributed database that manages large amounts of data across commodity servers. It is a decentralized, scalable storage system designed to handle vast volumes of data across multiple commodity servers, providing high availability without a single point of failure.