echauchot commented on a change in pull request #15955:
URL: https://github.com/apache/beam/pull/15955#discussion_r759155396
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File path:
sdks/java/io/kinesis/src/main/java/org/apache/beam/sdk/io/kinesis/KinesisIO.java
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@@ -1067,8 +1063,11 @@ private void checkForFailures(String message) throws
IOException {
@Teardown
public void teardown() throws Exception {
- if (producer != null && producer.getOutstandingRecordsCount() > 0) {
- producer.flushSync();
+ if (producer != null) {
+ if (producer.getOutstandingRecordsCount() > 0) {
+ producer.flushSync();
+ }
+ producer.destroy();
}
producer = null;
Review comment:
I checked the runner code. What happens is that the `Write` returns a
`PDone` (empty `PCollection`). the Write is executed with a native `map` and
the output of the map is the last native `Dataset` of the native (generated)
pipeline on which we call a passthrough native `writer` but the actual write
operation has already been done in reality (when we executed the map).
Conclusion the engine will set the parallelism on the writer that does nothing.
So I was wrong, the parallelism of the writing operation will be the one set by
the engine for the final map of the DAG.
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