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From gwens...@apache.org
Subject kafka git commit: KAFKA-3164: Document client and mirrormaker upgrade procedure/require…
Date Sun, 31 Jan 2016 00:22:46 GMT
Repository: kafka
Updated Branches:
  refs/heads/trunk b433b4a24 -> eaa1433a2


KAFKA-3164: Document client and mirrormaker upgrade procedure/require…

…ments

Author: Grant Henke <granthenke@gmail.com>

Reviewers: Gwen Shapira

Closes #838 from granthenke/upgrade-docs


Project: http://git-wip-us.apache.org/repos/asf/kafka/repo
Commit: http://git-wip-us.apache.org/repos/asf/kafka/commit/eaa1433a
Tree: http://git-wip-us.apache.org/repos/asf/kafka/tree/eaa1433a
Diff: http://git-wip-us.apache.org/repos/asf/kafka/diff/eaa1433a

Branch: refs/heads/trunk
Commit: eaa1433a2f2a9e9d528f5a2620edb63304067f62
Parents: b433b4a
Author: Grant Henke <granthenke@gmail.com>
Authored: Sat Jan 30 16:22:42 2016 -0800
Committer: Gwen Shapira <cshapi@gmail.com>
Committed: Sat Jan 30 16:22:42 2016 -0800

----------------------------------------------------------------------
 docs/upgrade.html | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/kafka/blob/eaa1433a/docs/upgrade.html
----------------------------------------------------------------------
diff --git a/docs/upgrade.html b/docs/upgrade.html
index b5aea1e..3244a2c 100644
--- a/docs/upgrade.html
+++ b/docs/upgrade.html
@@ -19,7 +19,10 @@
 
 <h4><a id="upgrade_9" href="#upgrade_9">Upgrading from 0.8.0, 0.8.1.X or 0.8.2.X
to 0.9.0.0</a></h4>
 
-0.9.0.0 has <a href="#upgrade_9_breaking">potential breaking changes</a> (please
review before upgrading) and an inter-broker protocol change from previous versions. For a
rolling upgrade:
+0.9.0.0 has <a href="#upgrade_9_breaking">potential breaking changes</a> (please
review before upgrading) and an inter-broker protocol change from previous versions. This
means that upgraded brokers and clients may not be compatible with older versions. It is important
that you upgrade your Kafka cluster before upgrading your clients. If you are using MirrorMaker
downstream clusters should be upgraded first as well.
+
+<p><b>For a rolling upgrade:</b></p>
+
 <ol>
 	<li> Update server.properties file on all brokers and add the following property:
inter.broker.protocol.version=0.8.2.X </li>
 	<li> Upgrade the brokers. This can be done a broker at a time by simply bringing it
down, updating the code, and restarting it. </li>


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