--- title: "#replication articles | Hashnode" description: "Explore 132 articles tagged #replication on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/replication" --- Tag # #replication 132 posts · 5 followers [ZyVOP](https://hashnode.com/@zyvop) · [Oct 21](https://hashnode.com/posts/inside-the-kafka-cluster-brokers-replication-and-kraft-gxyhf/6ad86ebc16e4c0237fa914b5) ### [Inside the Kafka Cluster: Brokers, Replication, and KRaft](https://blog.zyvop.com/inside-the-kafka-cluster-brokers-replication-and-kraft-gxyhf?utm_source=hashnode&utm_medium=feed) A look at brokers, replication, in-sync replicas, and leader election, and how KRaft replaced ZooKeeper to keep the cluster consistent. 8 min read · [blog.zyvop.com](https://blog.zyvop.com/inside-the-kafka-cluster-brokers-replication-and-kraft-gxyhf?utm_source=hashnode&utm_medium=feed) [Rohan Mahto](https://hashnode.com/@rohanmahto) · [Oct 19](https://hashnode.com/posts/how-postgres-replicates-your-data-wal-internals-and-pglogical-from-the-inside/6ad66d8439a3660885f8e703) ### [How Postgres Replicates Your Data: WAL Internals and pglogical From the Inside](https://rohanmahto-dev.hashnode.dev/how-postgres-replicates-your-data-wal-internals-and-pglogical-from-the-inside?utm_source=hashnode&utm_medium=feed) Why look under the hood Most pglogical guides are a list of commands: create a node, add tables, create a subscription, done. That works until the subscription says down and you have no mental model o 21 min read · [rohanmahto-dev.hashnode.dev](https://rohanmahto-dev.hashnode.dev/how-postgres-replicates-your-data-wal-internals-and-pglogical-from-the-inside?utm_source=hashnode&utm_medium=feed) [Rohan Mahto](https://hashnode.com/@rohanmahto) · [Oct 14](https://hashnode.com/posts/aws-to-gcp-migration-part-2-moving-postgresql-from-rds-to-cloud-sql/6acfab1484e71293625e298a) ### [AWS to GCP Migration, Part 2: Moving PostgreSQL from RDS to Cloud SQL](https://rohanmahto-dev.hashnode.dev/aws-to-gcp-migration-part-2-moving-postgresql-from-rds-to-cloud-sql?utm_source=hashnode&utm_medium=feed) In Part 1 I covered the architecture before and after the move. This post is about the part everyone worries about: the databases. This covers the staging and UAT databases: PostgreSQL on Amazon RDS, 9 min read · [rohanmahto-dev.hashnode.dev](https://rohanmahto-dev.hashnode.dev/aws-to-gcp-migration-part-2-moving-postgresql-from-rds-to-cloud-sql?utm_source=hashnode&utm_medium=feed) [Sarmeet Singh](https://hashnode.com/@blueprintsofscale) · [Sep 28](https://hashnode.com/posts/copies-of-the-truth-replication-explained-like-you-re-new/6ab9f3621a241b30dafe9233) ### [Copies of the Truth: Replication, Explained Like You're New](https://blueprintsofscale.hashnode.dev/copies-of-the-truth-replication-explained-like-you-re-new?utm_source=hashnode&utm_medium=feed) Blueprints of Scale — Core Concepts #5 53 min read · [blueprintsofscale.hashnode.dev](https://blueprintsofscale.hashnode.dev/copies-of-the-truth-replication-explained-like-you-re-new?utm_source=hashnode&utm_medium=feed) [Denis Mugendi](https://hashnode.com/@mugendinjue) · [Sep 24](https://hashnode.com/posts/postgres-logical-replication-for-reporting-replicas-the-gotchas-the-tutorials-skip/6ab58221345f8d5a278f698d) ### [Postgres Logical Replication for Reporting Replicas: The Gotchas the Tutorials Skip](https://sharptake.hashnode.dev/postgres-logical-replication-for-reporting-replicas-the-gotchas-the-tutorials-skip?utm_source=hashnode&utm_medium=feed) If you've read a Postgres logical replication tutorial, you know the drill. CREATE PUBLICATION on the primary, CREATE SUBSCRIPTION on the replica, wait a few seconds, and boom — your data is flowing. 6 min read · [sharptake.hashnode.dev](https://sharptake.hashnode.dev/postgres-logical-replication-for-reporting-replicas-the-gotchas-the-tutorials-skip?utm_source=hashnode&utm_medium=feed) [Hema Sundharam Kolla](https://hashnode.com/@hemasundharamkolla) · [Sep 11](https://hashnode.com/posts/advanced-amazon-s3-replication-and-lifecycle-management-a-hands-on-learning/6aa390682e4737aa54e1a2ad) ### [Advanced Amazon S3 Replication and Lifecycle Management: A Hands-On Learning](https://hemasundharamkolla.hashnode.dev/advanced-amazon-s3-replication-and-lifecycle-management-a-hands-on-learning?utm_source=hashnode&utm_medium=feed) Exploring S3 Lifecycle Rules, Storage Class Transitions, Version Management, Cross-Region and Cross-Account Replication Introduction As part of my Cloud and DevOps learning journey, I spent time going 10 min read · [hemasundharamkolla.hashnode.dev](https://hemasundharamkolla.hashnode.dev/advanced-amazon-s3-replication-and-lifecycle-management-a-hands-on-learning?utm_source=hashnode&utm_medium=feed) [Subroto Sharma](https://hashnode.com/@subrotosharma) · [Aug 25](https://hashnode.com/posts/how-to-scale-a-database-under-massive-user-load-replication-vs-sharding/6a8dcaf40b8416f1e0cce6c3) ### [How to Scale a Database Under Massive User Load: Replication vs Sharding](https://subrotosharma.hashnode.dev/how-to-scale-a-database-under-massive-user-load-replication-vs-sharding?utm_source=hashnode&utm_medium=feed) Learn when to use database replication vs sharding. Scale read/write traffic with caching, read replicas, and partitioning. 5 min read · [subrotosharma.hashnode.dev](https://subrotosharma.hashnode.dev/how-to-scale-a-database-under-massive-user-load-replication-vs-sharding?utm_source=hashnode&utm_medium=feed) [Sahasrajith M](https://hashnode.com/@sahasrajith-m) · [Aug 10](https://hashnode.com/posts/raft-consensus-from-scratch/6a7a2f3dc68b338729309a88) ### [I Built a Database That Survives Its Own Servers Dying. Here's How.](https://concurrency-in-go.hashnode.dev/raft-consensus-from-scratch?utm_source=hashnode&utm_medium=feed) Building Raft and a linearizable key/value store from scratch, explained the way I wish someone had explained it to me. 57 min read · [concurrency-in-go.hashnode.dev](https://concurrency-in-go.hashnode.dev/raft-consensus-from-scratch?utm_source=hashnode&utm_medium=feed) [Vijay Belwal](https://hashnode.com/@Vijay23) · [Jul 31](https://hashnode.com/posts/understanding-how-replicasets-protect-every-pod-in-kubernetes/6868d4bb57e55ecf4250abb7) ### [Understanding How ReplicaSets Protect Every Pod in Kubernetes](https://vijay-belwal.hashnode.dev/understanding-how-replicasets-protect-every-pod-in-kubernetes?utm_source=hashnode&utm_medium=feed) Learn how ReplicaSets in Kubernetes ensure your applications remain stable and resilient by monitoring and maintaining the desired state of your pods 4 min read · [vijay-belwal.hashnode.dev](https://vijay-belwal.hashnode.dev/understanding-how-replicasets-protect-every-pod-in-kubernetes?utm_source=hashnode&utm_medium=feed) [Mayank Jain](https://hashnode.com/@mayankj) · [Jul 11](https://hashnode.com/posts/sharding-replication-and-sharded-replication-in-redis/6a51a4e956d3e49909261961) ### [Sharding, Replication, and Sharded Replication in Redis](https://syntax-soul.hashnode.dev/sharding-replication-and-sharded-replication-in-redis?utm_source=hashnode&utm_medium=feed) verything so far has assumed a single Redis instance. That's fine for a lot of use cases, but it has two hard limits: your dataset can't be bigger than one machine's RAM, and if that one machine goes 11 min read · [syntax-soul.hashnode.dev](https://syntax-soul.hashnode.dev/sharding-replication-and-sharded-replication-in-redis?utm_source=hashnode&utm_medium=feed)