[GitHub] [kafka] lucasbru commented on a diff in pull request #13082: MINOR: Clarify docs for Streams config max.warmup.replicas.

[GitBox <gi...@apache.org>]

lucasbru commented on code in PR #13082:
URL: https://github.com/apache/kafka/pull/13082#discussion_r1072016340


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docs/streams/developer-guide/config-streams.html:
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@@ -778,10 +778,21 @@ <h4><a class="toc-backref" href="#id34">rack.aware.assignment.tags</a><a class="
           <span id="streams-developer-guide-max-warmup-replicas"></span><h4><a class="toc-backref" href="#id29">max.warmup.replicas</a><a class="headerlink" href="#max-warmup-replicas" title="Permalink to this headline"></a></h4>
           <blockquote>
             <div>
-              The maximum number of warmup replicas (extra standbys beyond the configured num.standbys) that can be assigned at once for the purpose of keeping
-              the task available on one instance while it is warming up on another instance it has been reassigned to. Used to throttle how much extra broker
-              traffic and cluster state can be used for high availability. Increasing this will allow Streams to warm up more tasks at once, speeding up the time
-              for the reassigned warmups to restore sufficient state for them to be transitioned to active tasks. Must be at least 1.
+              <p>
+                The maximum number of warmup replicas (extra standbys beyond the configured num.standbys) that can be assigned at once for the purpose of keeping
+                the task available on one instance while it is warming up on another instance it has been reassigned to. Used to throttle how much extra broker
+                traffic and cluster state can be used for high availability. Increasing this will allow Streams to warm up more tasks at once, speeding up the time
+                for the reassigned warmups to restore sufficient state for them to be transitioned to active tasks. Must be at least 1.
+              </p>
+              <p>
+                Note that one warmup replica corresponds to one Stream Task. Furthermore, note that each warmup replica can only be promoted to an active Task during

Review Comment:
   @littlehorse-eng You need apache http with a include_module and rewrite_module being loaded. Maybe this can help: https://github.com/lucasbru/kafka-site-docker



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