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Azul Zing vs Oracle Hotspot comparison

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Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Azul Zing
Ranking in Application Infrastructure
11th
Average Rating
9.6
Reviews Sentiment
5.9
Number of Reviews
10
Ranking in other categories
AI Customer Experience Personalization (24th)
Oracle Hotspot
Ranking in Application Infrastructure
21st
Average Rating
8.0
Reviews Sentiment
5.9
Number of Reviews
1
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the Application Infrastructure category, the mindshare of Azul Zing is 2.8%, down from 3.1% compared to the previous year. The mindshare of Oracle Hotspot is 1.6%, up from 1.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Infrastructure Mindshare Distribution
ProductMindshare (%)
Azul Zing2.8%
Oracle Hotspot1.6%
Other95.6%
Application Infrastructure
 

Featured Reviews

Mohakhan Khan - PeerSpot reviewer
Software Technical Expert at a tech vendor with 10,001+ employees
Real-time charging has stayed consistent and cuts GC incidents while reducing cloud costs
The best features Azul Zing offers include no stop-the-world during the full GC. No stop-the-world pauses during full GC, and we hit higher TPS with fewer JVMs -- a real win for maintenance and cost. As an online charging system, we can't afford crashes or latency spikes. Before Zing, JVMs would hang and drop from the grid on missed heartbeats. GC tuning is also out-of-the-box -- no more time consuming manual tuning like with Oracle/OpenJDK with no significant outcome.
SG
Senior Director - Digital marketing at Enphase Energy
A scalable and user-friendly product that is useful for tracking leads for inbound marketing
I use the solution for inbound marketing to track leads The product is quite user-friendly. It doesn't ask me too many questions. There are some bugs in the solution that lead to breakdowns. The solution must increase the number of third-party integrations. I have been using the solution for…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"With minimal effort, Zing has helped us improve our latency performance drastically."
"The non-stop garbage collector (C4 - Continuously Concurrent Compacting Collector) is the most valuable feature."
"Zing has completely solved the garbage collection problem for us."
"With minimal effort, Zing has helped us improve our latency performance dramatically."
"After using Azul Zing, it is almost a zero-incident situation because of the GCs."
"No other JVM on the market even comes close to competing with the Azul Zing."
"With Zing, we've now been able to re-allocate those tuning resources to general product development."
"Performance of the JVM, especially the C4 Pauseless Garbage Collection, for continuous application execution is the most valuable feature."
"The product is quite user-friendly."
 

Cons

"The profiling tools included with Zing lag behind those available for Oracle's Java implementation."
"We have encounter stability issues and that has been a source of frustration at times."
"However, like every other great product, there is always something that can be improved."
"It is extremely expensive."
"The licensing over non-production environments considerably affects the cost of our solution as a software vendor."
"Although Azul claims to have a fast warmup, we still experience higher latency for the first trade when our system starts up on Sundays."
"Although Azul claims to have a fast warmup, we still experience higher latency for the first trade when our system starts up on Sundays."
"There are some bugs in the solution that lead to breakdowns."
 

Pricing and Cost Advice

Information not available
"The product is expensive when compared to other solutions."
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Top Industries

By visitors reading reviews
Financial Services Firm
19%
Manufacturing Company
12%
Comms Service Provider
11%
Construction Company
11%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business4
Midsize Enterprise4
Large Enterprise3
No data available
 

Questions from the Community

What is your experience regarding pricing and costs for Azul Zing?
Setup cost isn't significant, the documentation is clear and straightforward, and licensing is simple. I'm not directly involved in pricing negotiations, but given we run it across many production ...
What needs improvement with Azul Zing?
Nothing major, but one nuance: Zing auto-adjusts internal config based on available CPUs, which can cause brief CPU spikes every few minutes. These are harmless, but can give ops/monitoring teams a...
What is your primary use case for Azul Zing?
We run a large in-memory data grid to store millions of customers -- clusters of up to 30-40 JVMs, each with ~90GB heap, deployed across a variety of infrastructure including Azure, AWS, and on-pre...
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Overview

 

Sample Customers

Priceline, RBS, Credit Suisse, ING, Creditex, Nielsen, Workday, Saks Fifth Avenue, Entergy, Quotix, Puma and many more.  Visit azul.com for more.
Tridium Inc.
Find out what your peers are saying about Microsoft, F5, Red Hat and others in Application Infrastructure. Updated: October 2026.
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