AceMQ Engineering Team

Expert Insights on RabbitMQ, Redis, VMware & Beyond

Deep dives, architecture guides, and production war stories from the team that keeps enterprise messaging running.

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3 Sept 2026

Mastering RabbitMQ Licensing: Cost, Commercial Versions, and Custom Solutions with Tanzu and AceMQ

When it comes to building robust, scalable messaging systems for modern applications, few technologies rival RabbitMQ

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When it comes to building robust, scalable messaging systems, few technologies rival RabbitMQ for flexibility and enterprise reliability.

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4 Sept 2026

RabbitMQ

Upgrading RabbitMQ 3.x to 4.x Without Downtime

Two proven RabbitMQ upgrade strategies — rolling and blue-green — when to use each, and the version-path and Erlang compatibility steps most teams miss..

4 Sept 2026

RabbitMQ

RabbitMQ HA & Disaster Recovery: Cluster Sizing

How many RabbitMQ nodes you actually need, high-availability design with quorum queues, and warm schema replication for disaster recovery..

4 Sept 2026

RabbitMQ

What a RabbitMQ Health Check Actually Delivers

What a structured RabbitMQ health check covers, what you walk away with, and the five things these assessments almost always find..

4 Sept 2026

Redis

Why Is My Redis Client Timing Out When Healthy?

Redis metrics look fine but your app throws timeouts. It's almost always client-side or network — here's how to find it, with real fixes..

4 Sept 2026

Redis

Should I Migrate from Redis to Valkey?

Valkey promises Redis compatibility without the license change. Here's how to actually validate that before migrating, based on a real test..

4 Sept 2026

Kafka

Is Kafka 4.0 (KRaft, No ZooKeeper) Production-Ready?

Kafka 4.0 removes ZooKeeper for KRaft consensus — but readiness depends on your usage pattern, especially transactions. Here's what we found..

3 Sept 2026

RabbitMQ

RabbitMQ Dead Letter Queues: The Enterprise Guide

How RabbitMQ dead letter exchanges work in 3.13 and 4.x: configuration, quorum queue rules, safe retry loops, monitoring, replay and anti-patterns..

3 Sept 2026

RabbitMQ

RabbitMQ Federation vs Shovel for DR: Which One, and When

Federation and shovel move messages between RabbitMQ clusters, but neither replicates. How to pick one for DR, with a two-region design and drills..

3 Sept 2026

RabbitMQ

RabbitMQ on Kubernetes & OpenShift: Deployment

Kubernetes adds real operational complexity to RabbitMQ, from quorum pod termination to stuck cluster upgrades. The patterns and gotchas for production..

2 Sept 2026

RabbitMQ

Production RabbitMQ Architecture for Enterprise Teams

How to design a production RabbitMQ architecture for an enterprise: cluster shape, queue layout, security, and observability for a first build..

2 Sept 2026

RabbitMQ

RabbitMQ Exchanges, Queues & Bindings for Microservices

Design RabbitMQ exchange types, queues, and bindings for microservices: routing key conventions, dead-lettering, message flow, and event-driven patterns..

2 Sept 2026

RabbitMQ

RabbitMQ Virtual Hosts for Tenant Isolation

How RabbitMQ virtual hosts isolate tenants, what they don't protect against, and how to set permissions, resource limits, and monitoring correctly..

1 Sept 2026

Kafka

Kafka Security Best Practices: SASL, ACLs & Encryption

Kafka security best practices: SASL and mTLS authentication, ACL authorization, encryption in transit and at rest, plus the misconfigurations to fix first..

1 Sept 2026

Kafka

Kafka Exactly-Once Semantics: How It Works & Its Limits

How Kafka exactly-once semantics really work: idempotent producers, transactions, read_committed consumers, Streams, and exactly where the guarantee stops..

1 Sept 2026

Kafka

Kafka Retention Policy: Time-Based & Size-Based Config

How Kafka retention policy works: delete vs compact cleanup, retention.ms and retention.bytes, log segment rolling, and why old data is still on disk..

1 Sept 2026

RabbitMQ

Why Not Use RabbitMQ? Real Limits and Kafka Myths

The genuine reasons to choose Kafka instead of RabbitMQ, the myths about it being slow or outdated, and when each message broker really fits your workload..

31 Aug 2026

Kafka

Kafka Partition Strategy: Sizing, Keys & Hot Partitions

How to choose partition counts and keys — the sizing math, hot-partition fixes, repartitioning pain, and what KRaft changed..

31 Aug 2026

Kafka

Kafka Disaster Recovery: Architectures and RPO/RTO

MirrorMaker 2 active-passive vs active-active vs stretch clusters — offset translation gotchas, RPO/RTO tradeoffs, and how to actually test failover..

31 Aug 2026

Redis

Redis Support Pricing: What It Costs in 2026

Managed plans, Redis Enterprise subscriptions, and 24/7 third-party contracts compared — the real cost ranges and what moves the price..

28 Aug 2026

Kafka

Kafka Support Cost: Self-Managed vs Commercial

What supporting Kafka yourself actually costs once on-call, retention of expertise and incident hours are counted — and where a commercial contract is cheaper..

28 Aug 2026

Kafka

What Kafka Support Actually Covers (and Doesn't)

The scope boundaries that decide whether a Kafka support contract helps during a real incident — what is in, what is out, and the grey areas to settle in writing..

28 Aug 2026

Redis

Who Supports Open-Source Redis? Providers Compared

Where commercial support for open-source Redis and Valkey actually comes from — the vendor, the cloud, generalist open-source firms, and independent specialists..

28 Aug 2026

Redis

What Redis Support Actually Covers (and Doesn't)

The scope boundaries that decide whether a Redis support contract helps during a real incident — what is in, what is out, and the grey areas worth settling first..

28 Aug 2026

VMware

The 2027 VMware Renewal Wave: Why Timing Matters

The three-year subscriptions signed after the Broadcom transition expire together across 2027. What that concentration does to quote turnaround, and when to start..

28 Aug 2026

VMware

Oracle Licensing on VMware: The Cluster Trap

Why Oracle counts every host a database could move to, what vMotion does to the licensable boundary, and how Broadcom core minimums changed the usual fix..

28 Aug 2026

RabbitMQ

Running RabbitMQ on Azure: Your Real Hosting Options

There is no first-party managed RabbitMQ on Azure. The four routes that actually exist — VMs, AKS, marketplace images, third-party managed — and how to choose..

28 Aug 2026

VMware

How to Get a VMware Renewal Quote (and What to Have Ready)

You cannot buy VMware direct any more. What a partner needs to quote a renewal accurately, how long it takes, and how to compare quotes fairly..

24 Aug 2026

Redis

Redis 24/7 Incident Response: What Actually Happens at 3am

What round-the-clock Redis incident response actually involves — escalation paths, the first fifteen minutes, and how to evaluate a provider before you need one..

24 Aug 2026

RabbitMQ

Valkey Support Options: Who Backs It in Production

Where production support for Valkey comes from, how it differs from the Redis vendor route, and what to check before running Valkey on critical workloads..

24 Aug 2026

RabbitMQ

What RabbitMQ Support Costs, and What Drives the Price

What drives the cost of a RabbitMQ support contract — coverage hours, cluster count, response commitments and scope — and how to compare quotes fairly..

24 Aug 2026

VMware

VMware Licensing for Government and Regulated Environments

How VMware subscription licensing interacts with public sector and regulated procurement — fiscal year timing, contract vehicles, disconnected sites and audit evidence..

24 Aug 2026

Kafka

Confluent vs Independent Kafka Support: How to Choose

Comparing Confluent platform-tied support with independent Apache Kafka support — what each covers, where lock-in appears, and how to choose..

24 Aug 2026

Kafka

Kafka Health Check: What a Real Assessment Covers

What a genuine Apache Kafka health check examines — partition design, replication and durability, consumer behavior, capacity, and the failure modes it catches early..

24 Aug 2026

VMware

Renew VMware or Migrate? The Honest Cost Comparison

The real cost of migrating off VMware versus renewing — migration labor, retraining, parallel running and risk, compared against a subscription renewal..

24 Aug 2026

VMware

VMware License Audit: How to Be Ready Before You Are Asked

What a VMware license audit looks for, the three findings that catch most estates, and the evidence pack to assemble before anyone asks for it..

24 Aug 2026

VMware

VMware Support: What Broadcom Covers and What It Does Not

What support is included with a VMware subscription, what the severity levels and response times actually mean, and the gap a partner fills..

24 Aug 2026

VMware

Where to Buy VMware Licenses Now (and Who Can Sell Them)

You cannot buy VMware from VMware any more. How the Broadcom partner channel works, who is allowed to quote you, and how to tell a good partner from a pass-through..

24 Aug 2026

VMware

Every VMware Licensing Change Since Broadcom: The Timeline

A dated, sourced record of what actually changed in VMware licensing since the Broadcom acquisition — SKU removals, core minimums, EOL dates and channel changes..

24 Aug 2026

VMware

VCF Licensing Explained: Cores, Components and Cost

What VMware Cloud Foundation includes, how per-core licensing and the minimums work, what it really costs versus VVF, and when the premium is justified..

24 Aug 2026

VMware

The Tanzu Software in Your VCF You Are Not Using

VCF bundles Tanzu software most customers never activate — RabbitMQ, Spring, GemFire, Greenplum. What you may already be entitled to, and why it changes renewal value..

24 Aug 2026

VMware

VMware Per-Core Licensing: How to Count Before You Buy

How to count VMware licensable cores correctly: the 16-core socket minimum, the 72-core order minimum, worked examples, and why host density is now a cost decision..

24 Aug 2026

RabbitMQ

ESXi Licensing Explained: Free, Paid, and What Changed

Free ESXi is back but heavily limited. What the free hypervisor can and cannot do, why buying ESXi now means buying vSphere Foundation, and which path fits..

24 Aug 2026

VMware

vSphere Essentials Plus Is Gone: What Replaces It

Essentials Plus was built for small deployments. Its replacement is not — and the 72-core order minimum is why. What small estates actually pay now..

24 Aug 2026

RabbitMQ

vCenter Licensing: How It Works Under the New Bundles

vCenter is no longer sold on its own. How each bundle entitles it, what happens to old vCenter Standard keys, and why free ESXi cannot connect to it..

24 Aug 2026

VMware

VMware Renewal Negotiation: The Levers That Actually Move

Six levers that change a VMware renewal number, ranked by how much they actually move it — and the two most teams spend their time on that barely matter..

24 Aug 2026

VMware

How to Read a VMware Quote (and What to Question)

What every line on a Broadcom-era VMware quote means, which numbers are negotiable, and the four things to check before you sign or send it back..

24 Aug 2026

VMware

vSphere 8 End of Life: Your Options Before October 2027

vSphere 8 reaches end of life 11 October 2027 and there is no standalone vSphere 9. What that forces, what each path costs, and how to plan the decision..

24 Aug 2026

Kafka

Kafka Enterprise Support: How to Evaluate an SLA

What Kafka enterprise support actually covers: severity tiers, response vs resolution, who fixes a stuck cluster at 3am, and the clauses that decide the outcome..

24 Aug 2026

VMware

Can Broadcom Disable Your Perpetual VMware License?

No, there is no remote kill switch. But the real constraint is version, not time — and Broadcom is enforcing it with cease-and-desist letters and audit rights..

20 Aug 2026

Kafka

Kafka to RabbitMQ Migration: What It Actually Takes

Migrating from Kafka to RabbitMQ is an architecture change, not a reconfiguration. What ports cleanly, what gets redesigned, and how to scope it honestly..

20 Aug 2026

Kafka

Exchanges vs Partitions: How RabbitMQ and Kafka Route Messages

RabbitMQ routes on the broker; Kafka routes in the producer. What that means for wildcards, thousands of subjects, protocol reach and where the logic lives..

20 Aug 2026

RabbitMQ

Six Things People Still Get Wrong About RabbitMQ

Six claims about RabbitMQ that were true a decade ago and are not now — throughput, memory, retention, exactly-once, Erlang, and the queuing split..

20 Aug 2026

RabbitMQ

RabbitMQ Classic vs Quorum Queues: Which to Use and When

RabbitMQ classic vs quorum queues compared on durability, replication, memory and throughput — plus what a conversion actually costs..

20 Aug 2026

Kafka

RabbitMQ vs Kafka: What Actually Decides It in Production

RabbitMQ vs Kafka from engineers who run both in production: the durability difference most comparisons skip, per-message control, and where RabbitMQ actually loses..

19 Aug 2026

RabbitMQ

What a Boomi Integration Assessment Actually Finds

Real findings from AceMQ Boomi + RabbitMQ integration assessments: listener stalls, a dropped frame_max, a stuck queue, and the observability gap behind them..

19 Aug 2026

Redis

Redis Health Check Assessment: What the Diagnostic Process Actually Finds

What a structured Redis health check assessment actually does: reproduce the incident, correlate metrics, isolate the cause, then fix it safely..

19 Aug 2026

IBM MQ

Why RabbitMQ Is the Best Migration Path Off IBM MQ

IBM MQ's per-core licensing and closed protocol lock you in. See why RabbitMQ is the strongest IBM MQ migration path, and how AceMQ makes the move low-risk..

19 Aug 2026

VMware

VMware License Renewal Process: How It Actually Works

How the VMware license renewal process actually works: anniversary dates, what triggers repricing, documentation to gather, and when to start..

19 Aug 2026

RabbitMQ

RabbitMQ Architecture Design for Future-State Scale: A Planning Framework

How to plan RabbitMQ architecture design for 5-10x future load: cluster topology, quorum queue sizing, multi-region federation, and a rollout plan..

19 Aug 2026

RabbitMQ

RabbitMQ 24/7 Support: How to Evaluate an SLA Before You Sign

What does "24/7 RabbitMQ support" really mean? How to read severity tiers, response vs. resolution time, and escalation paths before you sign an SLA..

19 Aug 2026

IBM MQ

IBM MQ Licensing Cost: How PVU-Based Pricing Actually Works

How IBM MQ's PVU licensing model works, what drives cost up beyond the license line, and why lifecycle pressure adds to the total cost picture..

19 Aug 2026

RabbitMQ

Messaging on Kubernetes: Why RabbitMQ and Kafka Are Hard to Run

RabbitMQ and Kafka are stateful workloads fighting Kubernetes' cattle-not-pets model. What breaks: PVCs, rebalances, rolling updates — and how to fix it..

19 Aug 2026

RabbitMQ

ActiveMQ Classic vs Artemis: What Actually Changed

ActiveMQ Classic vs Artemis compared on architecture, governance and what changes for operators — including Apache's 2025 split into two top-level projects..

19 Aug 2026

RabbitMQ

RabbitMQ Migration Readiness Assessment: The Pre-Cutover Checklist

What to check before a major RabbitMQ migration: topology and dependency inventory, risk assessment, rollback planning, and load validation before cutover..

12 Aug 2026

RabbitMQ

What Breaks in a Multi-Version Elasticsearch Upgrade

A multi-version Elasticsearch upgrade stalled 18 months isn't unusual — it's a common failure pattern. Here's what actually derails upgrades..

12 Aug 2026

Redis

Why Does Redis Memory Keep Growing With Flat Keys?

Redis memory climbing while key counts stay flat is almost always an index problem, not a data problem — here's how to diagnose and fix it..

12 Aug 2026

Redis

How Do I Size a Redis Enterprise License?

Redis Enterprise licensing isn't based on user count — it's driven by environment count and dataset size. Here's how sizing actually works..

12 Aug 2026

Redis

Redis on VMware: Anti-Affinity Rules You Need

Redis on VMware works well until anti-affinity and storage settings aren't configured. Here's what a real production review found and fixed..

12 Aug 2026

Kafka

What Causes a Kafka Producer Timeout, and the Fix

Kafka producer timeouts are rarely about the producer. A real case traced it to controller-node contention — here's the diagnostic path and fix..

12 Aug 2026

RabbitMQ

Is the Bitnami Image I'm Running Actually Secure?

Bitnami images are widely used but not vendor-supported. Here's what breaks at enterprise security review, and what the alternatives look like..

12 Aug 2026

VMware

VMware Licensing in an Air-Gapped Environment

No internet access changes how VCF licensing activates. Here's how disconnected and single-activation licensing work for defense environments..

12 Aug 2026

RabbitMQ

My Spring Boot Is EOL: CVE Patch Options

An EOL Spring Boot app keeps running but stops getting security patches. Here's what commercial support delivers, including day-zero CVE access..

12 Aug 2026

RabbitMQ

Migrating 100+ Oracle Databases to PostgreSQL

Migrating 100+ Oracle databases to PostgreSQL is a triage exercise, not one project. Here's how a real 110-database migration was scoped..

12 Aug 2026

Kafka

Commercial Support for Open-Source Apache Kafka

You don't need Confluent to get enterprise-grade Kafka support. Here's what commercial support for open-source Kafka actually looks like..

12 Aug 2026

RabbitMQ

Should You Consolidate Infrastructure Support?

Separate support contracts for RabbitMQ, PostgreSQL, and Kafka create real overhead. Here's how two real organizations evaluated consolidating..

11 Aug 2026

IBM MQ

IBM MQ End of Support Dates: Which Versions Are Still Covered

IBM MQ end of support dates by version: what LTS and Extended Support actually cover, when 9.1 and 9.2 run out, and the three options once your version is past it..

11 Aug 2026

RabbitMQ

ActiveMQ vs RabbitMQ: Which Message Broker Fits Your Architecture

ActiveMQ vs RabbitMQ compared on protocols, JMS, clustering and performance — including why ActiveMQ Classic and Artemis are two different products..

11 Aug 2026

RabbitMQ

RabbitMQ vs Azure Service Bus: Cost, Control, and When to Move

RabbitMQ vs Azure Service Bus compared on cost model, control, latency, compliance and lock-in — with real migrations we have run in both directions..

11 Aug 2026

Redis

Redis Message Queue: Can Redis Replace a Real Broker?

Can Redis be used as a message queue? Build a Redis message queue on Lists, Pub/Sub or Streams — what each guarantees and when you need a broker..

11 Aug 2026

Redis

Redis Troubleshooting: Production Issues and How to Fix Them

Redis troubleshooting guide with the diagnostic command for each failure: OOM errors, blocked event loop, evictions, replication lag, and connection limits..

11 Aug 2026

Redis

Redis Memory Problems: Why It Crashes and How to Size It

Why Redis memory usage kills instances that look half-empty: maxmemory scope, fork copy-on-write, fragmentation, and how to size an instance..

11 Aug 2026

Redis

Redis Enterprise Support vs Community: What You Actually Get

Redis enterprise support vs community: response targets, severity scope, version lifecycle, and how to judge a Redis support contract before signing..

11 Aug 2026

Kafka

Kafka on Kubernetes: EKS vs AKS vs GKE

Kafka on Kubernetes compared across EKS, AKS and GKE: operators, storage classes, rack awareness, advertised listeners, and when managed Kafka wins..

11 Aug 2026

RabbitMQ

Can RabbitMQ Lose Messages? RabbitMQ Message Durability Explained

RabbitMQ message durability explained end to end: durable queues, persistent delivery mode, publisher confirms, acks, quorum queues, and where each link breaks..

11 Aug 2026

Kafka

Kafka vs Pulsar: Architecture, Operations, and Which to Choose

Kafka vs Pulsar compared on architecture, multi-tenancy, geo-replication, tiered storage and operational burden — with an honest read on ecosystem maturity..

11 Aug 2026

RabbitMQ

Is RabbitMQ Open Source? Editions Compared

RabbitMQ is free for commercial use, but community support is time-limited. Compare open source, Tanzu RabbitMQ and independent enterprise support..

9 Aug 2026

Kafka

RabbitMQ Streams vs Kafka: Which One Your Architecture Actually Needs

RabbitMQ Streams and Apache Kafka both give you a replayable log. The real difference is routing versus throughput — and which one your team can operate..

9 Aug 2026

RabbitMQ

Broadcom's 72-Core Minimum: How Smaller RabbitMQ Deployments Get Licensed

Broadcom's 72-core minimum order size applies to Tanzu RabbitMQ the same as every other core-based product in the portfolio — here's what that means below the floor..

9 Aug 2026

RabbitMQ

Tanzu RabbitMQ vs Open Source: Real Cost at 50, 100 and 500 Cores

Broadcom doesn't publish a Tanzu RabbitMQ rate card — here's what actually moves the number at 50, 100, and 500 cores: the 72-core floor, term length, and support tier..

9 Aug 2026

RabbitMQ

RabbitMQ on EKS vs AKS vs GKE: Choosing a Managed Kubernetes Provider

RabbitMQ's own docs don't distinguish between EKS, AKS, and GKE. Here's where they actually differ: storage class defaults, availability-zone topology, and load balancer behavior..

9 Aug 2026

Redis

Redis and RabbitMQ Together: Caching Alongside Messaging

Redis and RabbitMQ solve different problems and are often run side by side, not as alternatives. Here's when to use each, and when to run both..

9 Aug 2026

RabbitMQ

RabbitMQ CVEs: What Actually Needs Patching, and How Fast

8 Aug 2025

RabbitMQ

What a RabbitMQ Health Check Actually Delivers

Wondering if a RabbitMQ assessment is worth it? This guide explains what a structured health check covers, what you walk away with, and the five things assessments almost always find..

1 Aug 2025

RabbitMQ

RabbitMQ on Kubernetes & OpenShift: Deployment

Kubernetes adds real operational complexity to RabbitMQ — from quorum pod termination behavior to cluster upgrades that get stuck. This guide covers the key patterns and gotchas..

15 Jul 2025

RabbitMQ

RabbitMQ HA & Disaster Recovery: Cluster Sizing

How many nodes do you actually need? How does warm schema replication work for disaster recovery? This guide covers cluster sizing and HA design with quorum queues..

1 Jul 2025

RabbitMQ

Choosing a RabbitMQ Support Model & SLA

Not all RabbitMQ support is the same. This guide breaks down product support vs. managed support, how to choose the right SLA tier, and what's actually included..

15 Jun 2025

RabbitMQ

Upgrading RabbitMQ 3.x to 4.x Without Downtime

RabbitMQ upgrades don't have to mean downtime. This guide covers the two proven strategies — rolling upgrade and blue-green deployment — and the steps most teams miss..

How RabbitMQ commercial licensing works: the per-vCPU-core model, what each tier includes, and how AceMQ pricing compares to Broadcom's minimums..

FAQ

Questions we answer every day

From licensing to production incidents, here's what enterprise teams typically want to know before they reach out.

The AceMQ blog publishes in-depth technical guides on RabbitMQ, Kafka, Redis, IBM MQ, and VMware licensing under Broadcom — covering architecture, high availability, troubleshooting, and the licensing and support decisions enterprise teams actually face.

Our blog articles are written by experienced messaging system architects and subject matter experts who work daily with enterprise messaging technologies and VMware licensing engagements.

We regularly update our blog with new insights, tutorials, customer stories, and technical deep dives across RabbitMQ, Kafka, Redis, IBM MQ, and VMware to help professionals stay current with MQ and infrastructure licensing trends.

Still have questions? Email us directly →