mxm commented on a change in pull request #12455:
URL: https://github.com/apache/beam/pull/12455#discussion_r465959895



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File path: website/www/site/content/en/contribute/release-guide.md
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@@ -244,7 +247,21 @@ __Attention__: Only PMC has permission to perform this. If 
you are not a PMC, pl
 **********
 
 
-## 2. Create a release branch in apache/beam repository
+## 3. Investigate performance regressions
+
+Check the Beam load tests for possible performance regressions. Measurements 
are available on [metrics.beam.apache.org](http://metrics.beam.apache.org).
+
+All Runners which publish data should be checked for the following, in both 
*batch* and *streaming* mode:
+
+- [ParDo](http://metrics.beam.apache.org/d/MOi-kf3Zk/pardo-load-tests) and 
[GBK](http://metrics.beam.apache.org/d/UYZ-oJ3Zk/gbk-load-test): Runtime, 
latency, checkpoint duration
+- [Nexmark](http://metrics.beam.apache.org/d/ahuaA_zGz/nexmark): Query runtime 
for all queries
+- [IO](http://metrics.beam.apache.org/d/bnlHKP3Wz/java-io-it-tests-dataflow): 
Runtime
+
+If regressions are found, the release branch can still be created, but the 
regressions should be investigated and fixed as part of the release process.
+JIRA issues should be created for each regression with the 'Fix Version' set 
to the to-be-released version.

Review comment:
       I'd like to try filing regression JIRA issues for all listed benchmarks. 
Hopefully, that should not be too many. Like you said, the issues will be 
triaged. If there is nobody taking care of an issue, then ultimately we can 
think about removing the associated benchmark.




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