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MINOR: Update documentation for enabling optimizations #7099

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bbejeck merged 3 commits into from
Jul 19, 2019
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MINOR: Update documentation for enabling optimizations #7099

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MINOR: Update documentation for enabling optimizations
bbejeck Jul 17, 2019
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Update docs/streams/upgrade-guide.html
bbejeck Jul 19, 2019
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Update docs/streams/upgrade-guide.html
bbejeck Jul 19, 2019
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8 changes: 8 additions & 0 deletions docs/streams/upgrade-guide.html
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Expand Up @@ -80,6 +80,14 @@ <h3><a id="streams_api_changes_230" href="#streams_api_changes_230">Streams API
The new public interfaces <code>inMemoryWindowStore()</code> and <code>inMemorySessionStore()</code> are added to <code>Stores</code> and provide the built-in in-memory window or session store.
</p>

<p>
As of 2.3.0 we've updated how to turn on optimizations. Now to enable optimizations, you need to do two things.
First, add this line to your properties <code>properties.setProperty(StreamsConfig.TOPOLOGY_OPTIMIZATION, StreamsConfig.OPTIMIZE);</code>, as you have done before.
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Second, when constructing your <code>KafkaStreams</code> instance, you'll need to pass your configuration properties when building your
topology via the overloaded <code>StreamsBuilder.build(Properties)</code> method.
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For example <code>KafkaStreams myStream = new KafkaStreams(streamsBuilder.build(properties), properties)</code>.
</p>

<p>
In 2.3.0 we have added default implementation to <code>close()</code> and <code>configure()</code> for <code>Serializer</code>,
<code>Deserializer</code> and <code>Serde</code> so that they can be implemented by lambda expression.
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