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new 04502e929 KAFKA-15307: Kafka Streams configuration docs outdated (#716)
04502e929 is described below
commit 04502e929a8bb44507f80ce743a0c9f9f3c96dbd
Author: Shashank <hsshashank.g...@gmail.com>
AuthorDate: Thu Sep 4 17:37:16 2025 -0700
KAFKA-15307: Kafka Streams configuration docs outdated (#716)
* docs: 4.1 changes
* fix: use fullDotVersion in older versions of docs
---
30/streams/developer-guide/datatypes.html | 2 +-
31/streams/developer-guide/datatypes.html | 2 +-
32/streams/developer-guide/datatypes.html | 2 +-
33/streams/developer-guide/datatypes.html | 2 +-
34/streams/developer-guide/datatypes.html | 2 +-
35/streams/developer-guide/datatypes.html | 2 +-
36/streams/developer-guide/datatypes.html | 2 +-
37/streams/developer-guide/datatypes.html | 2 +-
38/streams/developer-guide/datatypes.html | 2 +-
39/streams/developer-guide/datatypes.html | 2 +-
40/streams/developer-guide/datatypes.html | 2 +-
41/streams/developer-guide/config-streams.html | 25 +++------
41/streams/developer-guide/datatypes.html | 77 +++++++++++++++++++++++++-
13 files changed, 94 insertions(+), 30 deletions(-)
diff --git a/30/streams/developer-guide/datatypes.html
b/30/streams/developer-guide/datatypes.html
index 3e9801b57..b52218499 100644
--- a/30/streams/developer-guide/datatypes.html
+++ b/30/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code
class="language-xml-doc"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/31/streams/developer-guide/datatypes.html
b/31/streams/developer-guide/datatypes.html
index d006e94b3..365eb3da5 100644
--- a/31/streams/developer-guide/datatypes.html
+++ b/31/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code
class="language-xml-doc"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/32/streams/developer-guide/datatypes.html
b/32/streams/developer-guide/datatypes.html
index d006e94b3..365eb3da5 100644
--- a/32/streams/developer-guide/datatypes.html
+++ b/32/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code
class="language-xml-doc"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/33/streams/developer-guide/datatypes.html
b/33/streams/developer-guide/datatypes.html
index d006e94b3..365eb3da5 100644
--- a/33/streams/developer-guide/datatypes.html
+++ b/33/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code
class="language-xml-doc"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/34/streams/developer-guide/datatypes.html
b/34/streams/developer-guide/datatypes.html
index d006e94b3..365eb3da5 100644
--- a/34/streams/developer-guide/datatypes.html
+++ b/34/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code
class="language-xml-doc"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/35/streams/developer-guide/datatypes.html
b/35/streams/developer-guide/datatypes.html
index e8240ed4f..b8eb8cfc8 100644
--- a/35/streams/developer-guide/datatypes.html
+++ b/35/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code
class="language-xml-doc"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/36/streams/developer-guide/datatypes.html
b/36/streams/developer-guide/datatypes.html
index e8240ed4f..b8eb8cfc8 100644
--- a/36/streams/developer-guide/datatypes.html
+++ b/36/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code
class="language-xml-doc"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/37/streams/developer-guide/datatypes.html
b/37/streams/developer-guide/datatypes.html
index e8240ed4f..b8eb8cfc8 100644
--- a/37/streams/developer-guide/datatypes.html
+++ b/37/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code
class="language-xml-doc"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/38/streams/developer-guide/datatypes.html
b/38/streams/developer-guide/datatypes.html
index ca3aa040f..2a15d9a62 100644
--- a/38/streams/developer-guide/datatypes.html
+++ b/38/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code class="language-xml"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/39/streams/developer-guide/datatypes.html
b/39/streams/developer-guide/datatypes.html
index ca3aa040f..2a15d9a62 100644
--- a/39/streams/developer-guide/datatypes.html
+++ b/39/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code class="language-xml"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/40/streams/developer-guide/datatypes.html
b/40/streams/developer-guide/datatypes.html
index f2968591c..a35272568 100644
--- a/40/streams/developer-guide/datatypes.html
+++ b/40/streams/developer-guide/datatypes.html
@@ -103,7 +103,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code class="language-xml"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
diff --git a/41/streams/developer-guide/config-streams.html
b/41/streams/developer-guide/config-streams.html
index 8289423d3..439c33098 100644
--- a/41/streams/developer-guide/config-streams.html
+++ b/41/streams/developer-guide/config-streams.html
@@ -72,9 +72,9 @@ settings.put(... , ...);</code></pre>
<li><a class="reference internal"
href="#optional-configuration-parameters" id="id6">Optional configuration
parameters</a>
<ul>
<li><a class="reference internal"
href="#acceptable-recovery-lag" id="id27">acceptable.recovery.lag</a></li>
- <li><a class="reference internal"
href="#deserialization-exception-handler"
id="id7">default.deserialization.exception.handler (deprecated since
4.0)</a></li>
+ <li><a class="reference internal"
href="#deserialization-exception-handler"
id="id7">default.deserialization.exception.handler (deprecated)</a></li>
<li><a class="reference internal" href="#default-key-serde"
id="id8">default.key.serde</a></li>
- <li><a class="reference internal"
href="#production-exception-handler"
id="id24">default.production.exception.handler (deprecated since 4.0)</a></li>
+ <li><a class="reference internal"
href="#production-exception-handler"
id="id24">default.production.exception.handler (deprecated)</a></li>
<li><a class="reference internal" href="#timestamp-extractor"
id="id15">default.timestamp.extractor</a></li>
<li><a class="reference internal" href="#default-value-serde"
id="id9">default.value.serde</a></li>
<li><a class="reference internal"
href="#deserialization-exception-handler"
id="id7">deserialization.exception.handler</a></li>
@@ -100,7 +100,6 @@ settings.put(... , ...);</code></pre>
<li><a class="reference internal" href="#state-dir"
id="id14">state.dir</a></li>
<li><a class="reference internal" href="#task-assignor-class"
id="id39">task.assignor.class</a></li>
<li><a class="reference internal" href="#topology-optimization"
id="id31">topology.optimization</a></li>
- <li><a class="reference internal"
href="#windowed-inner-class-serde" id="id38">windowed.inner.class.serde</a></li>
</ul>
</li>
<li><a class="reference internal"
href="#kafka-consumers-and-producer-configuration-parameters" id="id16">Kafka
consumers and producer configuration parameters</a>
@@ -543,11 +542,16 @@
streamsSettings.put(StreamsConfig.NUM_STANDBY_REPLICAS_CONFIG, 1);</code></pre>
<td colspan="2">Added to a windows maintainMs to ensure data is
not deleted from the log prematurely. Allows for clock drift.</td>
<td><code class="docutils literal"><span
class="pre">86400000</span></code></td> (1 day)</td>
</tr>
- <tr class="row-odd"><td>window.size.ms</td>
+ <tr class="row-odd"><td>window.size.ms (Deprecated. See <a
href="datatypes.html#window-serdes">Window Serdes</a> for alternatives.)</td>
<td>Low</td>
<td colspan="2">Sets window size for the deserializer in order to
calculate window end times.</td>
<td><code class="docutils literal"><span
class="pre">null</span></code></td>
</tr>
+ <tr class="row-even"><td>windowed.inner.class.serde (Deprecated. See
<a href="datatypes.html#window-serdes">Window Serdes</a> for alternatives.)</td>
+ <td>Low</td>
+ <td colspan="2">Serde for the inner class of a windowed record.
Must implement the <code class="docutils literal"><span
class="pre">Serde</span></code> interface.</td>
+ <td><code class="docutils literal"><span
class="pre">null</span></code></td>
+ </tr>
</tbody>
</table>
<div class="section" id="acceptable-recovery-lag">
@@ -1224,18 +1228,6 @@
streamsConfig.put(StreamsConfig.ROCKSDB_CONFIG_SETTER_CLASS_CONFIG, CustomRocksD
</p>
</div></blockquote>
</div>
- <div class="section" id="windowed.inner.class.serde">
- <h4><a class="toc-backref" href="#id31">windowed.inner.class.serde</a><a
class="headerlink" href="#windowed.inner.class.serde" title="Permalink to this
headline"></a></h4>
- <blockquote>
- <div>
- <p>
- Serde for the inner class of a windowed record. Must implement the
org.apache.kafka.common.serialization.Serde interface.
- </p>
- <p>
- Note that this config is only used by plain consumer/producer
clients that set a windowed de/serializer type via configs. For Kafka Streams
applications that deal with windowed types, you must pass in the inner serde
type when you instantiate the windowed serde object for your topology.
- </p>
- </div></blockquote>
- </div>
<div class="section" id="upgrade-from">
<span id="streams-developer-guide-upgrade-from"></span><h4><a
class="toc-backref" href="#id14">upgrade.from</a><a class="headerlink"
href="#upgrade-from" title="Permalink to this headline"></a></h4>
<blockquote>
@@ -1517,3 +1509,4 @@
streamsSettings.put(StreamsConfig.topicPrefix("PARAMETER_NAME"), "topic-value");
$('.b-nav__docs').parent().toggleClass('nav__item__with__subs--expanded');
});
</script>
+
\ No newline at end of file
diff --git a/41/streams/developer-guide/datatypes.html
b/41/streams/developer-guide/datatypes.html
index afa6397c5..2bc2d7d5d 100644
--- a/41/streams/developer-guide/datatypes.html
+++ b/41/streams/developer-guide/datatypes.html
@@ -48,9 +48,10 @@
<ul>
<li><a class="reference internal"
href="#primitive-and-basic-types" id="id4">Primitive and basic types</a></li>
<li><a class="reference internal" href="#json"
id="id6">JSON</a></li>
- <li><a class="reference internal"
href="#implementing-custom-serdes" id="id5">Implementing custom serdes</a></li>
+ <li><a class="reference internal" href="#window-serdes"
id="id7">Window Serdes</a></li>
+ <li><a class="reference internal"
href="#implementing-custom-serdes" id="id8">Implementing custom serdes</a></li>
</ul>
- <li><a class="reference internal" href="#scala-dsl-serdes"
id="id8">Kafka Streams DSL for Scala Implicit Serdes</a></li>
+ <li><a class="reference internal" href="#scala-dsl-serdes"
id="id9">Kafka Streams DSL for Scala Implicit Serdes</a></li>
</ul>
<div class="section" id="configuring-serdes">
<h2>Configuring Serdes<a class="headerlink" href="#configuring-serdes"
title="Permalink to this headline"></a></h2>
@@ -103,7 +104,7 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<pre class="line-numbers"><code class="language-xml"><dependency>
<groupId>org.apache.kafka</groupId>
<artifactId>kafka-clients</artifactId>
- <version>2.8.0</version>
+ <version>{{fullDotVersion}}</version>
</dependency></code></pre>
<p>This artifact provides the following serde implementations under
the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/clients/src/main/java/org/apache/kafka/common/serialization";>org.apache.kafka.common.serialization</a>,
which you can leverage when e.g., defining default serializers in your Streams
configuration.</p>
<table border="1" class="docutils">
@@ -163,6 +164,76 @@ userCountByRegion.to("RegionCountsTopic",
Produced.valueSerde(Serdes.L
<p>As shown in the example, you can use JSONSerdes inner classes <code
class="docutils literal"><span
class="pre">Serdes.serdeFrom(<serializerInstance>,
<deserializerInstance>)</span></code> to construct JSON compatible
serializers and deserializers.
</p>
</div>
+ <div class="section" id="window-serdes">
+ <h3>Window Serdes<a class="headerlink" href="#window-serdes"
title="Permalink to this headline"></a></h3>
+ <p>Apache Kafka Streams includes serde implementations for windowed
types in
+ its <code class="docutils literal"><span
class="pre">kafka-streams</span></code> Maven artifact:</p>
+ <pre class="line-numbers"><code class="language-xml"><dependency>
+ <groupId>org.apache.kafka</groupId>
+ <artifactId>kafka-streams</artifactId>
+ <version>{{fullDotVersion}}</version>
+</dependency></code></pre>
+ <p>This artifact provides the following windowed serde implementations
under the package <a class="reference external"
href="https://github.com/apache/kafka/blob/{{dotVersion}}/streams/src/main/java/org/apache/kafka/streams/kstream";>org.apache.kafka.streams.kstream</a>:</p>
+
+ <p><strong>Serdes:</strong></p>
+ <ul class="simple">
+ <li><code class="docutils literal"><span
class="pre">WindowedSerdes.TimeWindowedSerde<T></span></code></li>
+ <li><code class="docutils literal"><span
class="pre">WindowedSerdes.SessionWindowedSerde<T></span></code></li>
+ </ul>
+
+ <p><strong>Serializers:</strong></p>
+ <ul class="simple">
+ <li><code class="docutils literal"><span
class="pre">TimeWindowedSerializer<T></span></code></li>
+ <li><code class="docutils literal"><span
class="pre">SessionWindowedSerializer<T></span></code></li>
+ </ul>
+
+ <p><strong>Deserializers:</strong></p>
+ <ul class="simple">
+ <li><code class="docutils literal"><span
class="pre">TimeWindowedDeserializer<T></span></code></li>
+ <li><code class="docutils literal"><span
class="pre">SessionWindowedDeserializer<T></span></code></li>
+ </ul>
+ <h4>Usage in Code</h4>
+ <p>When using windowed serdes in your application code, you typically
create instances via constructors or factory methods:</p>
+ <pre class="line-numbers"><code class="language-java">// Time windowed
serde - using factory method
+Serde<Windowed<String>> timeWindowedSerde =
+ WindowedSerdes.timeWindowedSerdeFrom(String.class, 500L);
+
+// Time windowed serde - using constructor
+Serde<Windowed<String>> timeWindowedSerde2 =
+ new WindowedSerdes.TimeWindowedSerde<>(Serdes.String(), 500L);
+
+// Session windowed serde - using factory method
+Serde<Windowed<String>> sessionWindowedSerde =
+ WindowedSerdes.sessionWindowedSerdeFrom(String.class);
+
+// Session windowed serde - using constructor
+Serde<Windowed<String>> sessionWindowedSerde2 =
+ new WindowedSerdes.SessionWindowedSerde<>(Serdes.String());
+
+// Using individual serializers/deserializers
+TimeWindowedSerializer<String> serializer = new
TimeWindowedSerializer<>(Serdes.String().serializer());
+TimeWindowedDeserializer<String> deserializer = new
TimeWindowedDeserializer<>(Serdes.String().deserializer(),
500L);</code></pre>
+
+ <h4>Usage in Command Line</h4>
+ <p>When using command-line tools (like
<code>bin/kafka-console-consumer.sh</code>), you can configure windowed
deserializers by passing the inner class and window size via configuration
properties. The property names use a prefix pattern:</p>
+ <pre class="line-numbers"><code class="language-bash"># Time windowed
deserializer configuration
+--property print.key=true \
+--property
key.deserializer=org.apache.kafka.streams.kstream.TimeWindowedDeserializer \
+--property
key.deserializer.windowed.inner.deserializer.class=org.apache.kafka.common.serialization.StringDeserializer
\
+--property key.deserializer.window.size.ms=500
+
+# Session windowed deserializer configuration
+--property print.key=true \
+--property
key.deserializer=org.apache.kafka.streams.kstream.SessionWindowedDeserializer \
+--property
key.deserializer.windowed.inner.deserializer.class=org.apache.kafka.common.serialization.StringDeserializer</code></pre>
+
+ <h4>Deprecated Configs</h4>
+ <p>The following <code>StreamsConfig</code> parameters are deprecated
in favor of passing parameters directly to serializer/deserializer
constructors:</p>
+ <ul class="simple">
+ <li><code class="docutils literal"><span
class="pre">StreamsConfig.WINDOWED_INNER_CLASS_SERDE</span></code> is
deprecated in favor of <code class="docutils literal"><span
class="pre">TimeWindowedSerializer.WINDOWED_INNER_SERIALIZER_CLASS</span></code>
and <code class="docutils literal"><span
class="pre">TimeWindowedDeserializer.WINDOWED_INNER_DESERIALIZER_CLASS</span></code></li>
+ <li><code class="docutils literal"><span
class="pre">StreamsConfig.WINDOW_SIZE_MS_CONFIG</span></code> is deprecated in
favor of <code class="docutils literal"><span
class="pre">TimeWindowedDeserializer.WINDOW_SIZE_MS_CONFIG</span></code></li>
+ </ul>
+ </div>
<div class="section" id="implementing-custom-serdes">
<span
id="streams-developer-guide-serdes-custom"></span><h2>Implementing custom
Serdes<a class="headerlink" href="#implementing-custom-serdes" title="Permalink
to this headline"></a></h2>
<p>If you need to implement custom Serdes, your best starting point is
to take a look at the source code references of
