Abacn commented on code in PR #25363:
URL: https://github.com/apache/beam/pull/25363#discussion_r1099227457
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sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigtable/BigtableIO.java:
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@@ -182,6 +182,50 @@
*
* }</pre>
*
+ * <h3>Streaming Changes from Cloud Bigtable</h3>
+ *
+ * <p>Cloud Bigtable change streams enable users to capture and stream out
mutations from their
+ * Cloud Bigtable tables in real-time. Cloud Bigtable change streams enable
many use cases including
+ * integrating with a user’s data analytics pipelines, support audit and
archival requirements as
Review Comment:
```suggestion
* integrating with a user's data analytics pipelines, support audit and
archival requirements as
```
non-ascii
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sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigtable/BigtableIO.java:
##########
@@ -182,6 +182,50 @@
*
* }</pre>
*
+ * <h3>Streaming Changes from Cloud Bigtable</h3>
+ *
+ * <p>Cloud Bigtable change streams enable users to capture and stream out
mutations from their
+ * Cloud Bigtable tables in real-time. Cloud Bigtable change streams enable
many use cases including
+ * integrating with a user’s data analytics pipelines, support audit and
archival requirements as
+ * well as triggering downstream application logic on specific database
changes.
+ *
+ * <p>Change stream connector creates and manages a metadata table to manage
the state of the
+ * connector. By default, the table is created in the same instance as the
table being streamed.
+ * However, it can be overridden with {@link
+ * BigtableIO.ReadChangeStream#withMetadataTableProjectId}, {@link
+ * BigtableIO.ReadChangeStream#withMetadataTableInstanceId}, {@link
+ * BigtableIO.ReadChangeStream#withMetadataTableTableId}, and {@link
+ * BigtableIO.ReadChangeStream#withMetadataTableAppProfileId}. The app profile
for the metadata
+ * table must be a single cluster app profile with single row transaction
enabled.
+ *
+ * <p>Note - To prevent unforeseen stream stalls, the Dataflow connector
outputs all data with an
Review Comment:
what is "Dataflow connector"? do you mean BigtableIO connector?
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