proomt

Search

Search posts, papers, and topics

All posts

CodeshipSamantha Frost4 min readintermediate

Revolutionize Your Jenkins Environment with Horizontal Scalability and High Availability

Read on cloudbees.com

Summary

The post announces CloudBees CI’s new High Availability mode, which splits a Jenkins controller into multiple replicas that are load‑balanced and synchronized via Hazelcast. It claims automatic scaling, fault tolerance, and seamless rolling restarts, but provides no implementation details, metrics, or code.

  • HA mode creates multiple controller replicas behind a load balancer; the replica count can be configured and scales with workload.
  • Replica state is kept in sync using Hazelcast’s event bus, allowing agents to be adopted by another replica if one fails.
  • The feature is positioned as a way to avoid monolithic controller bottlenecks and to enable zero‑downtime upgrades on Kubernetes.

For large Jenkins deployments, a single controller is a single point of failure and a performance bottleneck. A built‑in HA layer could reduce downtime and simplify maintenance, but engineers need concrete data (latency, failover time, scaling limits) before adopting it.

3/10
devopscikubernetesjenkinshigh availability

Related reading

  2. Five CI Tools, One Control Plane: Finally Answer “What’s Going On?”

    CloudBees Unify is a control‑plane overlay that connects existing CI tools (GitHub Actions, Jenkins, GitLab, Bitbucket, CloudBees CI) to provide a single dashboard, centralized policy enforcement, audit trails, and artifact lineage without requiring migration of pipelines. The post outlines a 30‑60‑90‑day rollout plan and the expected benefits for platform teams.

    Codeshipcloudbees.com3 min

  3. CloudBees CI Disaster Recovery(DR) proof of concept using Velero

    The post describes a proof‑of‑concept DR setup for CloudBees CI on EKS using Velero with custom patches for cross‑region EBS snapshot replication, achieving 15‑minute RPO and sub‑hour RTO. It also outlines the required backup of $JENKINS_HOME, metadata, DNS switch, and the experimental nature of the patches.

    Codeshipcloudbees.com12 min

  5. Best GitLab Alternatives for Enterprise Teams (2026)

    The article is a vendor‑authored marketing piece that lists criteria for picking a GitLab alternative and then promotes CloudBees Unify as a cross‑tool governance layer, with brief mentions of other tools (GitHub, Jenkins, Azure DevOps, Harness, CircleCI). It contains a few quoted survey percentages but no technical deep‑dive, code, architecture diagrams, or independent evaluation.

    Codeshipcloudbees.com10 min

  6. Everything is green. Nothing is ready.

    CloudBees Unify is a control‑plane layer that aggregates data from existing CI/CD, security, and release tools to give a single delivery record. It claims to improve test efficiency (98 → 30 min) and enforce governance policies across pipelines, with an AI assistant for incident triage. The post is a product‑focused webinar recap with limited technical depth.

    Codeshipcloudbees.com5 min