Re: [PR] MINOR: update Kafka Streams docs with 3.4 KIP information [kafka]

[via GitHub]

JimGalasyn commented on code in PR #16336:
URL: https://github.com/apache/kafka/pull/16336#discussion_r1638992064


##########
docs/streams/upgrade-guide.html:
##########
@@ -303,6 +303,35 @@ <h3><a id="streams_api_changes_350" 
href="#streams_api_changes_350">Streams API
       adds a new config <code>default.client.supplier</code> that allows to 
use a custom <code>KafkaClientSupplier</code> without any code changes.
     </p>
 
+    <h3><a id="streams_api_changes_340" 
href="#streams_api_changes_340">Streams API changes in 3.4.0</a></h3>
+    <p>
+      <a 
href="https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=186878390";>KIP-770</a>
 deprecates
+      config <code>cache.max.bytes.buffering</code> in favor of the newly 
introduced config <code>statestore.cache.max.bytes</code>.
+      To improve monitoring, two new metrics 
<code>input-buffer-bytes-total</code> and <code>cache-size-bytes-total</code>
+      were added at the DEBUG level. Note, that the KIP is only partially 
implement in 3.4.0 release and config
+      <code>input.buffer.max.bytes</code> is not available yet.
+    </p>
+
+    <p>
+      <a 
href="https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=211883356";>KIP-873</a>
 enables you to multicast
+      result records to multiple partition of downstream sink topics and adds 
functionality for choosing to drop result records without sending.
+      The <code>Integer StreamPartitioner.partition()</code> method is 
deprecated and replaced by the newly added
+      
<code>Optiona&lg;Set&lt;Integer&gt;&gt;StreamPartitioner.partitions()</code> 
method, that allows to return a set of partitions to send the record to.

Review Comment:
   ```suggestion
         
<code>Optiona&lg;Set&lt;Integer&gt;&gt;StreamPartitioner.partitions()</code> 
method, which enables returning a set of partitions to send the record to.
   ```



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