xintongsong commented on a change in pull request #15845:
URL: https://github.com/apache/flink/pull/15845#discussion_r627225174
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File path: docs/content/docs/deployment/config.md
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@@ -34,6 +34,8 @@ The configuration is parsed and evaluated when the Flink
processes are started.
The out of the box configuration will use your default Java installation. You
can manually set the environment variable `JAVA_HOME` or the configuration key
`env.java.home` in `conf/flink-conf.yaml` if you want to manually override the
Java runtime to use.
+You can specifiy a different configuration directory location by defining the
`FLINK_CONF_DIR` environment variable. For resource-providers which provide
non-session deployments, you can specifiy per-job configurations this way. Make
a copy of the `conf` directory from the Flink distribution and modify the
settings on a per-job basis. Note that this is not supported in Docker or
standalone Kubernetes deployments.
+
Review comment:
Maybe also mention `FLINK_PROPERTIES` as the alternative in
docker/standalone-k8s deployments. This, instead of specifying a different
configuration directory, appends given configurations to the flink-conf file in
the image.
https://ci.apache.org/projects/flink/flink-docs-release-1.13/docs/deployment/resource-providers/standalone/docker/
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