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https://issues.apache.org/jira/browse/FLINK-8542?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-8542:
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Priority: Minor (was: Major)
> Do not indefinitely store closed shard's state in the FlinkKinesisConsumer
> --------------------------------------------------------------------------
>
> Key: FLINK-8542
> URL: https://issues.apache.org/jira/browse/FLINK-8542
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Kinesis
> Reporter: Tzu-Li (Gordon) Tai
> Priority: Minor
> Labels: auto-deprioritized-major
>
> See original discussion here:
> [https://github.com/apache/flink/pull/5337|https://github.com/apache/flink/pull/5337#issuecomment-362227711]
> Currently, the Kinesis consumer keeps a list of {{(StreamShardMetadata,
> SequenceNumber)}} as its state. That list also contains all shards that have
> been closed already, and is kept in the state indefinitely so that on
> restore, we know that a closed shard is already fully consumed,
> The downside of this, is that the state size of the Kinesis consumer can
> basically grow without bounds, as the consumed Kinesis streams are resharded
> and more and more closed shards are present.
> Some possible solutions have been discussed in the linked PR comments.
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