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new f5a87b37030 KAFKA-19748: Add a note in docs about memory leak in Kafka
Streams 4.1.0 (#20639)
f5a87b37030 is described below
commit f5a87b37030708e877d40169da9b64a1e382c4f3
Author: Shashank <[email protected]>
AuthorDate: Mon Oct 6 11:59:51 2025 -0700
KAFKA-19748: Add a note in docs about memory leak in Kafka Streams 4.1.0
(#20639)
Added a note regarding the memory leak bug in the documentation.
Reviewers: Matthias J. Sax <[email protected]>
---
docs/streams/upgrade-guide.html | 2 ++
docs/upgrade.html | 2 ++
2 files changed, 4 insertions(+)
diff --git a/docs/streams/upgrade-guide.html b/docs/streams/upgrade-guide.html
index ecd2a3bbfe9..b875fcddc89 100644
--- a/docs/streams/upgrade-guide.html
+++ b/docs/streams/upgrade-guide.html
@@ -110,6 +110,8 @@
<h3><a id="streams_api_changes_410"
href="#streams_api_changes_410">Streams API changes in 4.1.0</a></h3>
+ <p><b>Note:</b> Kafka Streams 4.1.0 contains a critical memory leak bug
(<a href="https://issues.apache.org/jira/browse/KAFKA-19748";>KAFKA-19748</a>)
that affects users of range scans and certain DSL operators (session windows,
sliding windows, stream-stream joins, foreign-key joins). Users running Kafka
Streams should consider upgrading directly to 4.1.1 when available.</p>
+
<h4>Early Access of the Streams Rebalance Protocol</h4>
<p>
diff --git a/docs/upgrade.html b/docs/upgrade.html
index 745076c0785..4affedf60c7 100644
--- a/docs/upgrade.html
+++ b/docs/upgrade.html
@@ -193,6 +193,8 @@
<h4><a id="upgrade_4_1_0" href="#upgrade_4_1_0">Upgrading to 4.1.0</a></h4>
+<p><b>Note:</b> Kafka Streams 4.1.0 contains a critical memory leak bug (<a
href="https://issues.apache.org/jira/browse/KAFKA-19748";>KAFKA-19748</a>) that
affects users of range scans and certain DSL operators (session windows,
sliding windows, stream-stream joins, foreign-key joins). Users running Kafka
Streams should consider upgrading directly to 4.1.1 when available.</p>
+
<h5><a id="upgrade_4_1_0_from" href="#upgrade_4_1_0_from">Upgrading Servers to
4.1.0 from any version 3.3.x through 4.0.x</a></h5>
<h5><a id="upgrade_410_notable" href="#upgrade_410_notable">Notable
changes in 4.1.0</a></h5>
<ul>
