Category: Monitoring
Blog
10 Questions to Ask an Apache ActiveMQ® Support Vendor
Deciding to buy open source support for Apache ActiveMQ® is the easy part. Working out which vendor can actually keep a broker alive at three in the morning is considerably harder, because nearly every vendor in this market is vague in exactly the same places.
Blog
Event-Driven Architecture Patterns: The ActiveMQ Practitioner’s Guide
"Event-driven architecture" has become one of the most overloaded phrases in software engineering. The phrase simultaneously means a simple pub/sub notification system, a full event-sourced domain model, a saga for distributed transaction coordination, and a CQRS read/write separation. These are architecturally distinct event-driven architecture patterns with different trade-offs, different failure modes, and different operational complexity requirements.
Blog
Apache ActiveMQ® End of Life: What Enterprises Need to Know
If you have searched for Apache ActiveMQ® end of life, you have probably encountered a wall of conflicting answers: some claiming the broker is dead, others insisting it is fine forever. Both are wrong.
Blog
Apache ActiveMQ Zero-Downtime Maintenance: The Complete Procedures Guide
The broker is processing 8,000 messages per second. There are 340 active client connections. A configuration change is needed: a memoryUsage limit increase to prevent an approaching producer flow control event. The question is not whether to make the change. The question is how to make it without dropping messages, disconnecting clients, or triggering a cascade of client reconnect storms that themselves cause the resource pressure you are trying to resolve.
Blog
Multi-Datacenter Active ActiveMQ® Deployment: Network of Brokers & AMQP
A single-datacenter ActiveMQ deployment, even with full HA, has a fundamental limitation: all message processing is bound to one physical location. Geographic distribution, whether driven by latency requirements (consumers closer to producers), regulatory requirements (data residency), or business continuity requirements (surviving a full site outage), requires a multi-data center deployment.
Blog
ActiveMQ Upgrade & Patching Strategy: The Expert Guide
On October 27, 2023, the Apache Software Foundation published CVE-2023-46604, a CVSS 10.0 remote code execution vulnerability in Apache ActiveMQ® that allowed unauthenticated attackers to execute arbitrary code by exploiting the OpenWire protocol's ClassInfo deserialization.