https://www.pistack.xyz/tags/gossip-protocol/ Recent content in Gossip-Protocol on Pi Stack Hugo en-us Fri, 19 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-19-self-hosted-cluster-membership-memberlist-serf-swim/ Fri, 19 Jun 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-06-19-self-hosted-cluster-membership-memberlist-serf-swim/ <h2 id="introduction">Introduction</h2> <p>Every self-hosted distributed system needs to answer a fundamental question: &ldquo;Which nodes are alive right now?&rdquo; This is the cluster membership problem — maintaining a consistent, eventually-accurate view of which servers are healthy and reachable. Getting this wrong leads to split-brain scenarios, missed failures, or unnecessary rebalancing cascades that degrade cluster stability.</p>