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https://issues.apache.org/jira/browse/FLINK-21219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17276739#comment-17276739
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Dominik Wosiński commented on FLINK-21219:
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Thanks, tried looking for that but couldn't find anything.
> FlinkKafkaConsumer ignores offset overrides for new topics when restoring
> from savepoint.
> -----------------------------------------------------------------------------------------
>
> Key: FLINK-21219
> URL: https://issues.apache.org/jira/browse/FLINK-21219
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Kafka
> Affects Versions: 1.12.1
> Reporter: Dominik Wosiński
> Priority: Major
>
> Currently, when FlinkKafkaConsumer is restored from savepoint, the following
> code will handle topics that do not have offsets committed (for example if a
> new topic was added):
> {noformat}
> if (restoredState != null) { for (KafkaTopicPartition partition :
> allPartitions) { if (!restoredState.containsKey(partition)) {
> restoredState.put(partition,
> KafkaTopicPartitionStateSentinel.EARLIEST_OFFSET); } }{noformat}
>
> So if we have a KafkaConsumer with topicPattern and the pattern is changed,
> new topis will always start from earliest offset, even if originally the
> setting was different.
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