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Azul can save your day. Learn How!

Zing:®A better JVM

With Zing® you can ensure consistent Java execution, deliver a better user experience, meet required service delivery levels, and reduce operational and engineering costs. Zing is proven in a wide variety of use cases including online retail, advertising, capital markets, search, Cassandra, Kafka and many more.

Better Performance

Built with LLVM technology, the Falcon JIT compiler for Zing delivers deep optimization.

Pauseless Execution

Azul has solved Java's Garbage Collection problem. Stop fighting application timeouts, GC pauses, stalls and jitter.

Faster Startup

With ReadyNow!®, Java applications start up faster and STAY fast.

Surprisingly low pricing

..Plus we're flexible and easy to deal with. Just ask for a quote or a reference call.

Java runs better with Zing

Java applications power global businesses and emerging startups alike. DevOps teams and line-of-business management want improved reliability and sustainable performance across their application portfolio. With use cases that span online retail, digital advertising, capital markets, telecom, utilities, retail banking, gaming and many more, Zing® proves its value around the planet every business day.

Zing Use Cases

A better JVM delivers more capacity from your existing infrastructure

With Zing, you can meet your application service levels with fewer servers or Cloud instances. Get more transactions from your current hardware, or reduce your Cloud spend when you deploy Zing.

Build a compelling business case for Zing

A better JVM means better application metrics

Zing is a JVM with "better behavior" enabling sustained performance, fast warmup and predictable latency without GC pauses, jitter or application timeouts. Zing is equally at home in your data center or on the Cloud.

See how Zing improves Cassandra performance and throughput

Benefits for your IT and DevOps teams

Choose Java 8, 7, or 6 -- or preview JDK 10

Zing drops in like any other JDK. No changes needed to your Java code, JARs, frameworks, or programming style.

Pauseless operation

Fast allocations without Java garbage collection issues, plus up to 8TB live Java heap per JVM instance if needed

Improve application metrics

Zing eliminates GC and application timeout issues immediately. No need to keep tuning your JVM. Solve Java warm-up problems with ReadyNow.

Supports all major Linux distros

Choose Red Hat Enterprise Linux, SLES, Ubuntu, Debian, Amazon Linux, Oracle Linux, CoreOS, Red Hat MRG or CentOS

Fits your Production Environment

Zing runs on modern X86 servers, VMware or KVM, AWS, Azure or Google Clouds, plus Docker and LXC containers. Works with standard monitoring tools.

Excellent support

24x7 Support team is tightly integrated with Azul Engineering, driving faster problem resolution and timely security updates.

Pricing that's simple

Zing® is priced on a term basis per server (physical or virtual). With per-server pricing, you don’t need to worry about core counts, memory size, or number of instances deployed per server. The single license annual subscription price for Zing (with support) is $3500 USD per server, with significantly lower prices for higher volumes and longer-term subscriptions. Please contact us to learn about the special pricing available for start-ups and companies with $25 million or less in annual revenue, and for ISVs and manufacturers looking to embed/integrate Zing with their products.

Are you an Open Source Developer? Renewable 1-year Free Zing subscriptions are available via our Zing Open Source Program. Start using Zing with your Open Source project today!

The ISVs listed below are part of a growing partner ecosystem crossing many industries and use cases.

Selected Zing Resources

Zing Data Sheet (English)


New Falcon JIT Compiler


Zing FAQ


Zing Java 10 Feature Preview


Zing for Open Source Developers


Zing System Requirements


Building the Business Case for Zing


Zing Data Sheet (Japanese)


ReadyNow! Data Sheet (English)


White Paper: Azul's C4 Collector (the technology behind Zing)


White Paper: Understanding Java Garbage Collection


Zing Benchmark: Apache Cassandra


On-demand Webinar: Winning With Java at Market Open


MigratoryData messaging benchmark


Zing Embedded Data Sheet


Azul Inspector Java Environment Tool


Zing Online Documentation


Azul Product Support Lifecycle


Check out the Zing FAQ or visit the Resources page for a complete list of Zing® solutions, white papers, infographics and more. Open Source Developer?  Check out our Open Source program.

Looking for Zing reviews by verified users? You can access them on the IT Central Station site.

© Azul Systems, Inc. 2018 All rights reserved.