AHeise commented on a change in pull request #16399:
URL: https://github.com/apache/flink/pull/16399#discussion_r665208342
##########
File path:
flink-core/src/main/java/org/apache/flink/api/connector/sink/Sink.java
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@@ -93,6 +141,29 @@
/** @return The id of task where the writer is. */
int getSubtaskId();
+ /** @return number of parallel Sink tasks. */
+ int getNumberOfParallelSubtasks();
+
+ /** @return The metric group this writer belongs to. */
+ MetricGroup metricGroup();
+ }
+
+ /**
+ * The interface exposes some runtime info for creating a {@link
Committer} or {@link
+ * GlobalCommitter}.
+ */
+ interface CommitterInitContext {
Review comment:
Mostly I wanted to avoid sharing `ProcessingTimeService` with
committers. But maybe it's not a bad idea if you need to do some cleanup (hive
small file compression?).
For global committer, I'm unsure how `getSubtaskId` and
`getNumberOfParallelSubtasks` are defined. But we could just statically set 0/1.
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