[
https://issues.apache.org/jira/browse/BEAM-13852?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17510120#comment-17510120
]
Luke Cwik commented on BEAM-13852:
----------------------------------
DoFn can't use a processing time timer since the timer won't fire anymore once
the watermark advances to infinity. Processing time timers only fire while the
watermark isn't at infinity/MAX. It would likely be best to replace the
implementation with the Watch[1] transform which will hold up the watermark
appropriately and was built for this kind of use case already.
Discussion in https://lists.apache.org/thread/fo6jrg15pwd6bjpl6k8g4l0z953mp7ry
1:
https://github.com/apache/beam/blob/master/sdks/java/core/src/main/java/org/apache/beam/sdk/transforms/Watch.java
> KafkaIO.read.withDynamicRead() doesn't pick up new TopicPartitions
> ------------------------------------------------------------------
>
> Key: BEAM-13852
> URL: https://issues.apache.org/jira/browse/BEAM-13852
> Project: Beam
> Issue Type: Bug
> Components: io-java-kafka
> Reporter: John Casey
> Assignee: John Casey
> Priority: P2
>
> KafkaIO.Read().withDynamicRead() is correctly pulling messages from existing
> topics, but isn't picking up new topics or partitions when they are created.
> Currently, this appears to be an interaction between the timer configuration,
> and the duration of the operating window, that is causing the problem
--
This message was sent by Atlassian Jira
(v8.20.1#820001)
