MINOR: Add upgrade notes for
Author: Guozhang Wang
Reviewers: Ismael Juma
Closes from guozhangwang/KMinor-KAFKA-2358-upgrade-notes
The default value for this is 3 seconds.
During development and testing it might be desirable to set this to 0 inorder to not delay test execution time.
</li>
+ <li><code>org.apache.kafka.common.Cluster#partitionsForTopic</code>, <code>partitionsForNode</code> and <code>availablePartitionsForTopic</code> methods
+ will return an empty list instead of <code>null</code> (which is considered a bad practice) in case the metadata for the required topic does not exist.
+ </li>
<li>Streams API configuration parameters <code>timestamp.extractor</code>, <code>key.serde</code>, and <code>value.serde</code> were deprecated and
- replaced by <code>default.timestamp.extractor</code>, <code>default.key.serde</code>, and <code>default.value.serde</code>, respectively.</li>
+ replaced by <code>default.timestamp.extractor</code>, <code>default.key.serde</code>, and <code>default.value.serde</code>, respectively.
+ </li>
</ul>
<h5><a id="upgrade_1100_new_protocols" href="#upgrade_1100_new_protocols">New Protocol Versions</a></h5>
