Re: [PR] KAFKA-16368: Update default linger.ms to 5 for KIP-1030 [kafka]

[via GitHub]

ijuma commented on code in PR #18080:
URL: https://github.com/apache/kafka/pull/18080#discussion_r1894812355


##########
docs/upgrade.html:
##########
@@ -175,6 +175,9 @@ <h5><a id="upgrade_400_notable" 
href="#upgrade_400_notable">Notable changes in 4
                         </li>
                         <li>The deprecated 
<code>sendOffsetsToTransaction(Map&lt;TopicPartition, OffsetAndMetadata&gt;, 
String)</code> method has been removed from the Producer API.
                         </li>
+                        <li>The default value of <code>linger.ms</code> has 
been changed from 0ms to 5ms. The impact of this is larger request batches will 
be filled by default at the expense of
+                            time in the producer. It is generally observed 
that values lower than 5ms do not yield any latency benefits due to the IO 
overhead of smaller requests.

Review Comment:
   I would probably use similar wording to the one I suggested in a different 
comment.



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