fml2 commented on a change in pull request #9607:
URL: https://github.com/apache/kafka/pull/9607#discussion_r525874220
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File path: docs/streams/developer-guide/dsl-api.html
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@@ -870,6 +870,12 @@ <h4 class="anchor-heading"><a
id="streams_concepts_globalktable" class="anchor-l
<p
id="streams-developer-guide-dsl-transformations-stateful-overview">Stateful
transformations depend on state for processing inputs and producing outputs and
require a <a class="reference internal"
href="../architecture.html#streams_architecture_state"><span class="std
std-ref">state store</span></a> associated with the stream processor. For
example, in aggregating operations, a windowing state store is used to collect
the latest aggregation results per
window. In join operations, a windowing state store is
used to collect all of the records received so far within the
defined window boundary.</p>
+ <p><b>Note:</b> Following store types are used regardless of
the possibly specified type (via the parameter <code class="docutils
literal"><span class="pre">materialized</span></code>):
+ <ul class="simple">
+ <li>non-windowed aggregations and plain KTables use <a
class="reference external"
href="/{{version}}/javadoc/org/apache/kafka/streams/state/TimestampedKeyValueStore.html">TimestampedKeyValueStore</a>s</li>
Review comment:
OK, will do.
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