davidradl commented on code in PR #26223:
URL: https://github.com/apache/flink/pull/26223#discussion_r1979000101
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docs/content/docs/dev/datastream/sinks.md:
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@@ -93,36 +93,36 @@ The `Sink` needs to be serializable. All configuration
should be validated eager
### Custom sink topology
-For advanced developers, they may want to specify their own sink operator
topology(A structure composed of a series of operators), such as collecting
`committables` to one subtask and processing them together, or performing
operations such as merging small files after `Committer`. Flink provides the
following interfaces to allow expert users to customize the sink operator
topology.
+For advanced developers and expert users, they may want to specify their own
sink operator topology (A structure composed of a series of operators), such as
collecting `committables` to one subtask and processing them together, or
performing operations such as merging small files after `Committer`. Flink
provides the following interfaces to allow expert users to customize the sink
operator topology.
#### SupportsPreWriteTopology
-`SupportsPreWriteTopology` interface Allows expert users to implement a custom
operator topology before `SinkWriter`, which can be used to process or
redistribute the input data. For example, sending data of the same partition to
the same SinkWriter of Kafka or Iceberg.
+`SupportsPreWriteTopology` interface allows expert users to implement a custom
operator topology before `SinkWriter`, which can be used to process or
redistribute the input data. For example, sending data of the same partition to
the same Kafka or Iceberg SinkWriter.
-The following figure shows the operator topology of using {{< gh_link
file="flink-runtime/src/main/java/org/apache/flink/streaming/api/connector/sink2/SupportsPreWriteTopology.java"
name="SupportsPreWriteTopology" >}}:
+The following figure shows the operator topology using {{< gh_link
file="flink-runtime/src/main/java/org/apache/flink/streaming/api/connector/sink2/SupportsPreWriteTopology.java"
name="SupportsPreWriteTopology" >}}:
{{< img src="/fig/dev/datastream/SupportsPreWriteTopology.png" class="center"
>}}
-In the figure above, user add a `PrePartition` and `PostPartition` operator in
the `SupportsPreWriteTopology` topology, and redistribute the input data to the
`SinkWriter`.
+In the figure above, users add a `PrePartition` and `PostPartition` operator
in the `SupportsPreWriteTopology` topology, and redistribute the input data to
the `SinkWriter`.
#### SupportsPreCommitTopology
-`SupportsPreCommitTopology` interface Allows expert users to implement a
custom operator topology after `SinkWriter` and before `Committer`, which can
be used to process or redistribute the commit messages.
+`SupportsPreCommitTopology` interface allows expert users to implement a
custom operator topology after `SinkWriter` and before `Committer`, which can
be used to process or redistribute the commit messages.
The following figure shows the operator topology of using {{< gh_link
file="flink-runtime/src/main/java/org/apache/flink/streaming/api/connector/sink2/SupportsPreCommitTopology.java"
name="SupportsPreCommitTopology" >}}:
{{< img src="/fig/dev/datastream/SupportsPreWriteTopology.png" class="center"
>}}
-In the figure above, user add a `CollectCommit` operator in the
`SupportsPreCommitTopology` topology, and collect all the commit messages from
the `SinkWriter` to one subtask, then send to the `Committer` to process them
centrally, this can reduce the number of interactions with the server.
+In the figure above, users add a `CollectCommit` operator in the
`SupportsPreCommitTopology` topology, and collect all the commit messages from
the `SinkWriter` to one subtask, then send to the `Committer` to process them
centrally, this can reduce the number of interactions with external system.
Review Comment:
nit: external system -> external systems
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