[kafka] branch trunk updated: MINOR: add docs for 2.7 TRACE-level e2e latency metrics (#9339)

[gu...@apache.org]

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guozhang pushed a commit to branch trunk
in repository https://gitbox.apache.org/repos/asf/kafka.git


The following commit(s) were added to refs/heads/trunk by this push:
     new c278993  MINOR: add docs for 2.7 TRACE-level e2e latency metrics (#9339)
c278993 is described below

commit c2789934e4e9598c3bb789ae189a67a2aeab383e
Author: A. Sophie Blee-Goldman <so...@confluent.io>
AuthorDate: Sat Sep 26 20:37:48 2020 -0700

    MINOR: add docs for 2.7 TRACE-level e2e latency metrics (#9339)
    
    Reviewers: Guozhang Wang <wa...@gmail.com>
---
 docs/streams/upgrade-guide.html | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/docs/streams/upgrade-guide.html b/docs/streams/upgrade-guide.html
index 05218ef..461304b 100644
--- a/docs/streams/upgrade-guide.html
+++ b/docs/streams/upgrade-guide.html
@@ -116,6 +116,12 @@
         Sliding windows are fixed-time and data-aligned windows that allow for flexible and efficient windowed aggregations.
     </p>
 
+    <p>
+        The end-to-end latency metrics introduced in 2.6 have been expanded to include store-level metrics. The new store-level
+        metrics are recorded at the TRACE level, a new metrics recording level. Enabling TRACE level metrics will automatically
+        turn on all higher levels, ie INFO and DEBUG. See <a href="https://cwiki.apache.org/confluence/x/gBkRCQ">KIP-613</a> for more information.
+    </p>
+
     <h3><a id="streams_api_changes_260" href="#streams_api_changes_260">Streams API changes in 2.6.0</a></h3>
     <p>
         We added a new processing mode that improves application scalability using exactly-once guarantees