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new cb9bf2cb8b3 MINOR: docs for rack aware assignment (#14999)
cb9bf2cb8b3 is described below
commit cb9bf2cb8b36a87f12002621b4a543824685998d
Author: Hao Li <1127478+lihao...@users.noreply.github.com>
AuthorDate: Tue Dec 19 01:12:02 2023 -0800
MINOR: docs for rack aware assignment (#14999)
Part of KIP-925.
Reviewers: Matthias J. Sax <matth...@confluent.io>
---
docs/streams/developer-guide/config-streams.html | 1 +
docs/streams/upgrade-guide.html | 6 ++++++
2 files changed, 7 insertions(+)
diff --git a/docs/streams/developer-guide/config-streams.html
b/docs/streams/developer-guide/config-streams.html
index 8846f352a40..7be637dc69d 100644
--- a/docs/streams/developer-guide/config-streams.html
+++ b/docs/streams/developer-guide/config-streams.html
@@ -713,6 +713,7 @@
streamsConfiguration.put(StreamsConfig.DEFAULT_TIMESTAMP_EXTRACTOR_CLASS_CONFIG,
<ul class="simple">
<li><code class="docutils literal"><span
class="pre">none</span></code>. This is the default value which means rack
aware task assignment will be disabled.</li>
<li><code class="docutils literal"><span
class="pre">min_traffic</span></code>. This settings means that the rack aware
task assigner will compute an assignment which tries to minimize cross rack
traffic.</li>
+ <li><code class="docutils literal"><span
class="pre">balance_subtopology</span></code>. This settings means that the
rack aware task assigner will compute an assignment which will try to balance
tasks from same subtopology to different clients and minimize cross rack
traffic on top of that.</li>
</ul>
<p>
This config can be used together with <a class="reference
internal"
href="#rack-aware-assignment-non-overlap-cost">rack.aware.assignment.non_overlap_cost</a>
and
diff --git a/docs/streams/upgrade-guide.html b/docs/streams/upgrade-guide.html
index 3aea6e95f36..76aabf6c372 100644
--- a/docs/streams/upgrade-guide.html
+++ b/docs/streams/upgrade-guide.html
@@ -203,6 +203,12 @@
</pre>
</p>
+ <h3><a id="streams_api_changes_370"
href="#streams_api_changes_370">Streams API changes in 3.7.0</a></h3>
+ <p>
+ A new configuration option <code>balance_subtopology</code> for
<code>rack.aware.assignment.strategy</code> was introduced in 3.7 release.
+ For more information, including how it can be enabled and further
configured, see the <a
href="/{{version}}/documentation/streams/developer-guide/config-streams.html#rack-aware-assignment-strategy"><b>Kafka
Streams Developer Guide</b></a>.
+ </p>
+
<h3><a id="streams_api_changes_360"
href="#streams_api_changes_360">Streams API changes in 3.6.0</a></h3>
<p>
Rack aware task assignment was introduced in <a
href="https://cwiki.apache.org/confluence/display/KAFKA/KIP-925%3A+Rack+aware+task+assignment+in+Kafka+Streams";>KIP-925</a>.
