chamikaramj commented on a change in pull request #12355:
URL: https://github.com/apache/beam/pull/12355#discussion_r459787582
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File path: sdks/python/apache_beam/examples/wordcount_xlang_sql.py
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@@ -15,12 +15,16 @@
# limitations under the License.
#
-"""A cross-language word-counting workflow."""
+"""A cross-language word-counting workflow.
+
+Java and docker must be available to run this pipeline.
Review comment:
Probably we need to include following information as well (either here
on in a README).
(1) The fact that users have to install Java and which version to install
(2) Instructions for running from HEAD (for example, you need to push a
Docker container to Docker Hub for Dataflow). May be you can just point to
kafkataxi README for this.
(3) Example command for Dataflow with 'use_runner_v2' (and additionally
sdk_harness_container_image_overrides for HEAD).
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