cassandra multi node cluster - Wikitechy https://www.wikitechy.com/interview-questions/tag/cassandra-multi-node-cluster/ Interview Questions Mon, 13 Sep 2021 11:42:50 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://www.wikitechy.com/interview-questions/wp-content/uploads/2025/10/cropped-wikitechy-icon-32x32.png cassandra multi node cluster - Wikitechy https://www.wikitechy.com/interview-questions/tag/cassandra-multi-node-cluster/ 32 32 What is a seed node in Apache Cassandra ? https://www.wikitechy.com/interview-questions/cassandra/what-is-a-seed-node-in-apache-cassandra/ https://www.wikitechy.com/interview-questions/cassandra/what-is-a-seed-node-in-apache-cassandra/#respond Tue, 13 Jul 2021 04:49:22 +0000 https://www.wikitechy.com/interview-questions/?p=413

Apache Cassandra seed node:

  • Seeds are used to discover the cluster in the start up period.
  • The seed node designation has no purpose other than bootstrapping the gossip process for new nodes joining the cluster.
  • Seed nodes could not be a single point of failure, nor they have do any other purpose in cluster operations except the bootstrapping of nodes.
  • In cluster formation, nodes are verify “join” and each other.
  • However, they do not join any node which respects the protocol.Risks:old partitioned replicas, different clusters, even malicious nodes, so on. So a cluster can be defined by some starting nodes contain at clear addresses and it can be reference for that cluster for any new nodes to join in trust-table way.
  • After some time the seed nodes can go away, then the cluster will keep on.
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