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kevinboone committed Jan 19, 2024
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22 changes: 21 additions & 1 deletion feed.xml
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<title>Kevin Boone's website</title>
<link>https://kevinboone.me</link>
<url>https://kevinboone.me/img/favicon.ico</url>
</image>Wed, January 17 2024</lastBuildDate>
</image>Fri, January 19 2024</lastBuildDate>
<item>
<title>Getting started with Kafka Streams, part 2</title>
<link>https://kevinboone.me/kafka_streams_hello_2.md</link>
<guid>https://kevinboone.me/kafka_streams_hello_2.md</guid>
<description>Following on from my article on the rudiments of the Kafka Streams API, this one introduces stateful operations like counting and aggregation.</description>
<media:thumbnail url='https://kevinboone.me/img/kafka_logo.png' height='64' width='64'/>
<media:content url='https://kevinboone.me/img/kafka_logo.png' height='64' width='64'/>
<pubDate>Fri, January 19 2024</pubDate>
</item>

<item>
<title>Getting started with Kafka Streams</title>
<link>https://kevinboone.me/kafka_streams_hello.md</link>
<guid>https://kevinboone.me/kafka_streams_hello.md</guid>
<description>Kafka Streams is a Java library and framework for creating applications that consume, process, and return Apache Kafka messages. This article provides a tutorial about implementing a very basic Streams application.</description>
<media:thumbnail url='https://kevinboone.me/img/kafka_logo.png' height='64' width='64'/>
<media:content url='https://kevinboone.me/img/kafka_logo.png' height='64' width='64'/>
<pubDate>Fri, January 19 2024</pubDate>
</item>

<item>
<title>They don't make them like that any more: Garmin Nuvi 300</title>
<link>https://kevinboone.me/nuvi300.md</link>
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2 changes: 1 addition & 1 deletion kafka_streams_hello_2.html
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Expand Up @@ -273,7 +273,7 @@ <h2 id="a-technical-digression">A technical digression</h2>
<code>count()</code> what we actually get is an instance of
<code>KStream&lt;?, Long&gt;</code>.</p>
<p>This makes perfect sense – a count can only be a number. But when we
write to the output stream, we’re writing messages whose payloads is a
write to the output stream, we’re writing messages whose payload is a
<code>Long</code>, and <code>kafka-console-consumer.sh</code> assumes by
default that the values are strings.</p>
<p>So to see the counts, we need to run the consumer like this:</p>
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