Gossip Protocol in Cassandra

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In Cassandra,whenone node talks to another, the node which is expected to respond, not only provides information about its status, but also provides information about the nodes that it had communicated with before.Through this process, there is a reduction in network log, more information is kept and efficiency of information gathering increases.The main feature of the protocolis to provide the latest information of any node respectively.Failu re DetectionAn important feature of Gossip Protocol is Failure Detection. Basically, when two nodes communicate with one another; for instance, Node A to Node B, then Node A sends a message gossipdigestsynmessage, which is very similar to TCP protocol to Node B. Here, Node B, once receives the message, sends an acknowledgement message ack, and then Node A responds with an acknowledgement message to Node Bs ack message. This is known as the 3 way handshake.If in case, the node goes down and does not send the ack message, then it will be a mark down. Even when the nodes are down, the other nodes will be periodically pinging and that is how the failure detection happens.Got a question for us? Mention them in the comments section and we will get back to you.Related Posts:Top 5 Reasons to learn CassandraGet started with Apache CassandraRecommended blogs for you Here are the Ridiculously Committed Mentors of 2018 Read Article What are the 7 Principles of Software Testing? Read Article Vol . XVIII â€" Edureka Career Watch â€" 10th Aug 2019 Read Article Vol. XXII â€" Edureka Career Watch â€" 9th Nov 2019 Read Article What is Sanity Testing? Everything That You Need To Know About Sanity Testing Read Article C Program To Find LCM Of Two Numbers Read Article How To Best Utilize Scope Resolution Operator In C++? 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