Couchbase SDK Connection Management — Java

Platform-agnostic concepts (connection string formats, timeout semantics, durability, sub-document, troubleshooting): shared/server/sdk-connection-concepts.md

The One Rule: One Cluster Per Process

Create one Cluster object per application process and reuse it. Creating a new Cluster per request pays TCP + TLS + auth overhead (50–500ms) and leaks connections.

Singleton Pattern