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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