ijuma commented on a change in pull request #277:
URL: https://github.com/apache/kafka-site/pull/277#discussion_r465133944
##########
File path: 26/upgrade.html
##########
@@ -19,6 +19,48 @@
<script id="upgrade-template" type="text/x-handlebars-template">
+<h4><a id="upgrade_2_6_0" href="#upgrade_2_6_0">Upgrading from 0.8.x, 0.9.x,
0.10.0.x, 0.10.1.x, 0.10.2.x, 0.11.0.x, 1.0.x, 1.1.x, 2.0.x or 2.1.x or 2.2.x,
2.3.x, 2.4.x, 2.5.x to 2.6.0</a></h4>
Review comment:
This got pretty unwieldy. Can we simplify it somehow?
##########
File path: 26/upgrade.html
##########
@@ -41,6 +83,48 @@ <h5><a id="upgrade_260_notable"
href="#upgrade_260_notable">Notable changes in 2
</li>
</ul>
+<h4><a id="upgrade_2_5_0" href="#upgrade_2_5_0">Upgrading from 0.8.x, 0.9.x,
0.10.0.x, 0.10.1.x, 0.10.2.x, 0.11.0.x, 1.0.x, 1.1.x, 2.0.x or 2.1.x or 2.2.x,
2.3.x, 2.4.x to 2.5.0</a></h4>
Review comment:
Whatever we decide for 2.6.0, we could maybe apply here too.
##########
File path: downloads.html
##########
@@ -5,12 +5,55 @@
<div class="right">
<h1>Download</h1>
- <p>2.5.0 is the latest release. The current stable version is 2.5.0.</p>
+ <p>2.6.0 is the latest release. The current stable version is 2.6.0.</p>
<p>
You can verify your download by following these <a
href="https://www.apache.org/info/verification.html";>procedures</a> and using
these <a href="https://www.apache.org/dist/kafka/KEYS";>KEYS</a>.
</p>
+ <span id="2.6.0"></span>
+ <h3 class="download-version">2.6.0<a href="#2.6.0"><i class="fas fa-link "
style="color:#053ce2"></i></a></h3>
+ <ul>
+ <li>
+ Released Aug 3, 2020
+ </li>
+ <li>
+ <a
href="https://www.apache.org/dist/kafka/2.6.0/RELEASE_NOTES.html";>Release
Notes</a>
+ </li>
+ <li>
+ Source download: <a
href="https://www.apache.org/dyn/closer.cgi?path=/kafka/2.6.0/kafka-2.6.0-src.tgz";>kafka-2.6.0-src.tgz</a>
(<a
href="https://www.apache.org/dist/kafka/2.6.0/kafka-2.6.0-src.tgz.asc";>asc</a>,
<a
href="https://www.apache.org/dist/kafka/2.6.0/kafka-2.6.0-src.tgz.sha512";>sha512</a>)
+ </li>
+ <li>
+ Binary downloads:
+ <ul>
+ <li>Scala 2.12 - <a
href="https://www.apache.org/dyn/closer.cgi?path=/kafka/2.6.0/kafka_2.12-2.6.0.tgz";>kafka_2.12-2.6.0.tgz</a>
(<a
href="https://www.apache.org/dist/kafka/2.6.0/kafka_2.12-2.6.0.tgz.asc";>asc</a>,
<a
href="https://www.apache.org/dist/kafka/2.6.0/kafka_2.12-2.6.0.tgz.sha512";>sha512</a>)</li>
+ <li>Scala 2.13 - <a
href="https://www.apache.org/dyn/closer.cgi?path=/kafka/2.6.0/kafka_2.13-2.6.0.tgz";>kafka_2.13-2.6.0.tgz</a>
(<a
href="https://www.apache.org/dist/kafka/2.6.0/kafka_2.13-2.6.0.tgz.asc";>asc</a>,
<a
href="https://www.apache.org/dist/kafka/2.6.0/kafka_2.13-2.6.0.tgz.sha512";>sha512</a>)</li>
+ </ul>
+ We build for multiple versions of Scala. This only matters if you
are using Scala and you want a version
+ built for the same Scala version you use. Otherwise any version
should work (2.13 is recommended).
+ </li>
+ </ul>
+
+ <p>
+ Kafka 2.6.0 includes a number of significant new features. Here is a
summary of some notable changes:
Review comment:
Let's add a line for the performance improvements please.
##########
File path: 26/upgrade.html
##########
@@ -19,6 +19,48 @@
<script id="upgrade-template" type="text/x-handlebars-template">
+<h4><a id="upgrade_2_6_0" href="#upgrade_2_6_0">Upgrading from 0.8.x, 0.9.x,
0.10.0.x, 0.10.1.x, 0.10.2.x, 0.11.0.x, 1.0.x, 1.1.x, 2.0.x or 2.1.x or 2.2.x,
2.3.x, 2.4.x, 2.5.x to 2.6.0</a></h4>
+
+<p><b>If you are upgrading from a version prior to 2.1.x, please see the note
below about the change to the schema used to store consumer offsets.
+ Once you have changed the inter.broker.protocol.version to the latest
version, it will not be possible to downgrade to a version prior to 2.1.</b></p>
+
+<p><b>For a rolling upgrade:</b></p>
+
+<ol>
+ <li> Update server.properties on all brokers and add the following
properties. CURRENT_KAFKA_VERSION refers to the version you
+ are upgrading from. CURRENT_MESSAGE_FORMAT_VERSION refers to the
message format version currently in use. If you have previously
+ overridden the message format version, you should keep its current
value. Alternatively, if you are upgrading from a version prior
+ to 0.11.0.x, then CURRENT_MESSAGE_FORMAT_VERSION should be set to
match CURRENT_KAFKA_VERSION.
+ <ul>
+ <li>inter.broker.protocol.version=CURRENT_KAFKA_VERSION (e.g.
0.10.0, 0.11.0, 1.0, 2.0, 2.2).</li>
+ <li>log.message.format.version=CURRENT_MESSAGE_FORMAT_VERSION
(See <a href="#upgrade_10_performance_impact">potential performance impact
+ following the upgrade</a> for the details on what this
configuration does.)</li>
+ </ul>
+ If you are upgrading from version 0.11.0.x or above, and you have not
overridden the message format, then you only need to override
+ the inter-broker protocol version.
+ <ul>
+ <li>inter.broker.protocol.version=CURRENT_KAFKA_VERSION (0.11.0,
1.0, 1.1, 2.0, 2.1, 2.2, 2.3).</li>
Review comment:
Maybe worth having `e.g.` here too since this list is not exhaustive
anymore. It was at some point before.
##########
File path: 26/upgrade.html
##########
@@ -41,6 +83,48 @@ <h5><a id="upgrade_260_notable"
href="#upgrade_260_notable">Notable changes in 2
</li>
</ul>
+<h4><a id="upgrade_2_5_0" href="#upgrade_2_5_0">Upgrading from 0.8.x, 0.9.x,
0.10.0.x, 0.10.1.x, 0.10.2.x, 0.11.0.x, 1.0.x, 1.1.x, 2.0.x or 2.1.x or 2.2.x,
2.3.x, 2.4.x to 2.5.0</a></h4>
+
+<p><b>If you are upgrading from a version prior to 2.1.x, please see the note
below about the change to the schema used to store consumer offsets.
+ Once you have changed the inter.broker.protocol.version to the latest
version, it will not be possible to downgrade to a version prior to 2.1.</b></p>
+
+<p><b>For a rolling upgrade:</b></p>
+
+<ol>
+ <li> Update server.properties on all brokers and add the following
properties. CURRENT_KAFKA_VERSION refers to the version you
+ are upgrading from. CURRENT_MESSAGE_FORMAT_VERSION refers to the
message format version currently in use. If you have previously
+ overridden the message format version, you should keep its current
value. Alternatively, if you are upgrading from a version prior
+ to 0.11.0.x, then CURRENT_MESSAGE_FORMAT_VERSION should be set to
match CURRENT_KAFKA_VERSION.
+ <ul>
+ <li>inter.broker.protocol.version=CURRENT_KAFKA_VERSION (e.g.
0.10.0, 0.11.0, 1.0, 2.0, 2.2).</li>
+ <li>log.message.format.version=CURRENT_MESSAGE_FORMAT_VERSION
(See <a href="#upgrade_10_performance_impact">potential performance impact
+ following the upgrade</a> for the details on what this
configuration does.)</li>
+ </ul>
+ If you are upgrading from version 0.11.0.x or above, and you have not
overridden the message format, then you only need to override
+ the inter-broker protocol version.
+ <ul>
+ <li>inter.broker.protocol.version=CURRENT_KAFKA_VERSION (0.11.0,
1.0, 1.1, 2.0, 2.1, 2.2, 2.3).</li>
Review comment:
Same as the comment for 2.6.
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