robobario commented on code in PR #711:
URL: https://github.com/apache/kafka-site/pull/711#discussion_r2271451630
##########
blog.html:
##########
@@ -22,6 +22,160 @@
<!--#include virtual="includes/_nav.htm" -->
<div class="right">
<h1 class="content-title">Blog</h1>
+ <article>
+ <h2 class="bullet">
+ <a id="apache_kafka_410_release_announcement"></a>
+ <a href="#apache_kafka_410_release_announcement">Apache
Kafka 4.1.0 Release Announcement</a>
+ </h2>
+ XXX August 2025 - Mickael Maison (<a
href="https://x.com/MickaelMaison";>@MickaelMaison</a>)
+
+ <p>
+ We are proud to announce the release of Apache Kafka®
4.1. This release contains many new
+ features and improvements. This blog post will highlight
some of the more prominent ones.
+ For a full list of changes, be sure to check the <a
href="https://download.apache.org/dist/kafka/4.1.0/RELEASE_NOTES.html";>release
notes</a>.
+ </p>
+ <p>
+ Queues for Kafka (<a
href="https://cwiki.apache.org/confluence/x/4hA0Dw";>KIP-932</a>) is now in
preview. It's still not ready for
+ production but you can start evaluating and testing it.
See the
+ <a
href="https://cwiki.apache.org/confluence/x/CIq3FQ";>preview release notes</a>
+ for more details.
+ </p>
+ <p>
+ This release also introduces a new Streams Rebalance
Protocol (<a href="https://cwiki.apache.org/confluence/x/2BCTEg";>KIP-1071</a>)
+ in early access. It is based on the new consumer group
protocol (<a href="https://cwiki.apache.org/confluence/x/HhD1D";>KIP-848</a>).
+ <p>
+ See the <a
href="https://kafka.apache.org/documentation.html#upgrade_4_1_0";>Upgrading to
4.1</a> section in the
+ documentation for the list of notable changes and detailed
upgrade steps.
+ </p>
+
+ <h3>Kafka Broker, Controller, Producer, Consumer and Admin
Client</h3>
+
+ <ul>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/lY3GDQ";>KIP-877: Mechanism for
plugins and connectors to register metrics</a>
+ <br>
+ Many client-side plugins can now implement the
<code>Monitorable</code> interface to easily register their own metrics. Tags
identifying
+ the plugin are automatically injected and the metrics
use the <code>kafka.CLIENT:type=plugins</code> naming where CLIENT is either
producer, consumer or admin.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/8ItyEg";>KIP-1050: Consistent error
handling for Transactions</a>
+ <br>
+ This KIP updates the error handling logic and
documentation of all the transaction APIs to make it simpler to build robust
applications and build
+ third party Kafka clients that behave the same way as
the Java client.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/JQstEw";>KIP-1092: Extend
Consumer#close with an option to leave the group or not</a>
+ <br>
+ This adds a new
<code>Consumer.close(CloseOptions)</code> method which lets define if the
consumer should explicitly leave its group when
+ it's shutting down. This enables Streams to control
when to trigger group rebalances. The <code>Consumer.close(Duration)</code>
method is now
+ deprecated.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/FouMEw";>KIP-1101: Trigger rebalance
on rack topology changes</a>
+ <br>
+ This KIP updates the rack-aware partition assignment
from the consumer rebalance protocol and makes it a lot more memory efficient,
allowing
+ to have hundreds of members in a consumer group.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/-42MEw";>KIP-1109: Unifying Kafka
Consumer Topic Metrics</a>
+ <br>
+ The consumer used to replace dots in topic names by
underscore it its metric names. In this release, topic metrics are also emitted
with the topic
+ names unchanged. Users should transition to these new
metrics. In 5.0, the metrics with the changed topic names will be removed.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/LorREw";>KIP-1118: Add Deadlock
Protection on Producer Network Thread</a>
+ <br>
+ From 4.1, if <code>KafkaProducer.flush()</code> is
called from the <code>KafkaProducer.send()</code> callback, and exception is
raised. Previously this
Review Comment:
```suggestion
From 4.1, if <code>KafkaProducer.flush()</code> is
called from the <code>KafkaProducer.send()</code> callback, then an exception
is raised. Previously this
```
##########
blog.html:
##########
@@ -22,6 +22,160 @@
<!--#include virtual="includes/_nav.htm" -->
<div class="right">
<h1 class="content-title">Blog</h1>
+ <article>
+ <h2 class="bullet">
+ <a id="apache_kafka_410_release_announcement"></a>
+ <a href="#apache_kafka_410_release_announcement">Apache
Kafka 4.1.0 Release Announcement</a>
+ </h2>
+ XXX August 2025 - Mickael Maison (<a
href="https://x.com/MickaelMaison";>@MickaelMaison</a>)
+
+ <p>
+ We are proud to announce the release of Apache Kafka®
4.1. This release contains many new
+ features and improvements. This blog post will highlight
some of the more prominent ones.
+ For a full list of changes, be sure to check the <a
href="https://download.apache.org/dist/kafka/4.1.0/RELEASE_NOTES.html";>release
notes</a>.
+ </p>
+ <p>
+ Queues for Kafka (<a
href="https://cwiki.apache.org/confluence/x/4hA0Dw";>KIP-932</a>) is now in
preview. It's still not ready for
+ production but you can start evaluating and testing it.
See the
+ <a
href="https://cwiki.apache.org/confluence/x/CIq3FQ";>preview release notes</a>
+ for more details.
+ </p>
+ <p>
+ This release also introduces a new Streams Rebalance
Protocol (<a href="https://cwiki.apache.org/confluence/x/2BCTEg";>KIP-1071</a>)
+ in early access. It is based on the new consumer group
protocol (<a href="https://cwiki.apache.org/confluence/x/HhD1D";>KIP-848</a>).
+ <p>
+ See the <a
href="https://kafka.apache.org/documentation.html#upgrade_4_1_0";>Upgrading to
4.1</a> section in the
+ documentation for the list of notable changes and detailed
upgrade steps.
+ </p>
+
+ <h3>Kafka Broker, Controller, Producer, Consumer and Admin
Client</h3>
+
+ <ul>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/lY3GDQ";>KIP-877: Mechanism for
plugins and connectors to register metrics</a>
+ <br>
+ Many client-side plugins can now implement the
<code>Monitorable</code> interface to easily register their own metrics. Tags
identifying
+ the plugin are automatically injected and the metrics
use the <code>kafka.CLIENT:type=plugins</code> naming where CLIENT is either
producer, consumer or admin.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/8ItyEg";>KIP-1050: Consistent error
handling for Transactions</a>
+ <br>
+ This KIP updates the error handling logic and
documentation of all the transaction APIs to make it simpler to build robust
applications and build
+ third party Kafka clients that behave the same way as
the Java client.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/JQstEw";>KIP-1092: Extend
Consumer#close with an option to leave the group or not</a>
+ <br>
+ This adds a new
<code>Consumer.close(CloseOptions)</code> method which lets define if the
consumer should explicitly leave its group when
+ it's shutting down. This enables Streams to control
when to trigger group rebalances. The <code>Consumer.close(Duration)</code>
method is now
+ deprecated.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/FouMEw";>KIP-1101: Trigger rebalance
on rack topology changes</a>
+ <br>
+ This KIP updates the rack-aware partition assignment
from the consumer rebalance protocol and makes it a lot more memory efficient,
allowing
+ to have hundreds of members in a consumer group.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/-42MEw";>KIP-1109: Unifying Kafka
Consumer Topic Metrics</a>
+ <br>
+ The consumer used to replace dots in topic names by
underscore it its metric names. In this release, topic metrics are also emitted
with the topic
+ names unchanged. Users should transition to these new
metrics. In 5.0, the metrics with the changed topic names will be removed.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/LorREw";>KIP-1118: Add Deadlock
Protection on Producer Network Thread</a>
+ <br>
+ From 4.1, if <code>KafkaProducer.flush()</code> is
called from the <code>KafkaProducer.send()</code> callback, and exception is
raised. Previously this
+ could lead to a deadlock in the producer.
+ </li>
+ <li>
+ <a
href="https://cwiki.apache.org/confluence/x/uIxEF";>KIP-1139: Add support for
OAuth jwt-bearer grant type</a>
+ <br>
+ In addition of the client_credentials grant type,
Kafka now supports the jwt-bearer grant type for OAuth. This grant type avoids
putting secrets in clear
Review Comment:
```suggestion
In addition to the client_credentials grant type,
Kafka now supports the jwt-bearer grant type for OAuth. This grant type avoids
putting secrets in clear
```
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