stanislavkozlovski commented on code in PR #668:
URL: https://github.com/apache/kafka-site/pull/668#discussion_r1991031131
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blog.html:
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@@ -22,6 +22,286 @@
<!--#include virtual="includes/_nav.htm" -->
<div class="right">
<h1 class="content-title">Blog</h1>
+ <article>
+ <h2 class="bullet">
+ <a id="apache_kafka_400_release_announcement"></a>
+ <a href="#apache_kafka_400_release_announcement">Apache
Kafka 4.0.0 Release Announcement</a>
+ </h2>
+ 17 March 2025 - David Jacot
+
+ <p>
+ We are proud to announce the release of Apache Kafka®
4.0 This release contains many new
+ features and improvements. This blog post will highlight
some of the more prominent features.
+ For a full list of changes, be sure to check the <a
href="https://archive.apache.org/dist/kafka/4.0.0/RELEASE_NOTES.html";>release
notes</a>.
+ </p>
+ <p>
+ See the <a
href="https://kafka.apache.org/documentation.html#upgrade_4_0_0";>Upgrading to
4.0 from any versions 0.8.x through 3.9.x</a> section in the
+ documentation for the list of notable changes and detailed
upgrade steps.
+ </p>
+ <p>
+ Apache Kafka 4.0 is a significant milestone, marking the
first major release to operate entirely
+ without Apache ZooKeeper®. By running in KRaft mode
by default, Kafka simplifies
+ deployment and management, eliminating the complexity of
maintaining a separate ZooKeeper
+ ensemble. This change significantly reduces operational
overhead, enhances scalability, and
+ streamlines administrative tasks. We want to take this as
an opportunity to express our gratitude
+ to the ZooKeeper community and say, thank you! ZooKeeper
was the backbone of Kafka for
+ more than 10 years, and it did serve Kafka very well.
Kafka would most likely not be what it is
+ today without it. We don’t take this for granted and
highly appreciate all the hard work the
+ community invested to build ZooKeeper. Thank you!
+ </p>
+ <p>
+ Kafka 4.0 also brings the general availability of <a
href="https://cwiki.apache.org/confluence/x/HhD1D";>KIP-848</a> introducing a
powerful new consumer
+ group protocol designed to dramatically improve rebalance
performance. This optimization
+ significantly reduces downtime and latency, enhancing the
reliability and responsiveness of
+ consumer groups, especially in large-scale deployments.
+ </p>
+ <p>
+ Additionally, we are excited to offer <a
href="https://cwiki.apache.org/confluence/x/i4ogF";>early access</a> to
+ Queues for Kafka (<a
href="https://cwiki.apache.org/confluence/x/4hA0Dw";>KIP-932</a>), enabling
Kafka to support traditional queue semantics directly. This
+ feature extends Kafka’s versatility, making it an ideal
messaging platform for a wider range of
+ use cases, particularly those requiring point-to-point
messaging patterns.
+ </p>
+ <p>
+ These highlights illustrate Kafka's continued evolution to
meet the demands of modern,
+ scalable, and efficient data streaming and messaging
architectures.
+ </p>
+
+ <h3>Kafka Broker, Controller, Producer, Consumer and Admin
Client</h3>
+
+ <ul>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/HhD1D";>KIP-848: The Next Generation
of the Consumer Rebalance Protocol</a>
+ <br>
+ Apache Kafka also says goodbye to “stop-the-world”
rebalances with the general availability of the
+ next generation of the consumer rebalance protocol. It
increases the stability and the performance
+ of consumer groups while simplifying clients. The new
protocol is enabled by default on the server
+ side. Consumers must opt-in by setting
<code>group.protocol=consumer</code>.
Review Comment:
agreed, not sure if an exception would work for this feature. makes sense to
not mention if there isn't a clear date yet!
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