Repository: kafka Updated Branches: refs/heads/0.9.0 220d49849 -> d1ff6c75f
KAFKA-3164: Document client and mirrormaker upgrade procedure/require⦠â¦ments Author: Grant Henke <[email protected]> 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/d1ff6c75 Tree: http://git-wip-us.apache.org/repos/asf/kafka/tree/d1ff6c75 Diff: http://git-wip-us.apache.org/repos/asf/kafka/diff/d1ff6c75 Branch: refs/heads/0.9.0 Commit: d1ff6c75f261e4ca2e0c87e4c719fb8279765654 Parents: 220d498 Author: Grant Henke <[email protected]> Authored: Sat Jan 30 16:22:42 2016 -0800 Committer: Gwen Shapira <[email protected]> Committed: Sat Jan 30 16:23:50 2016 -0800 ---------------------------------------------------------------------- docs/upgrade.html | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/kafka/blob/d1ff6c75/docs/upgrade.html ---------------------------------------------------------------------- diff --git a/docs/upgrade.html b/docs/upgrade.html index 50fc119..96d1a29 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>
