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https://issues.apache.org/jira/browse/FLINK-27958?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingsong Lee closed FLINK-27958.
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Resolution: Fixed
> Compare batch maxKey to reduce comparisons in SortMergeReader
> -------------------------------------------------------------
>
> Key: FLINK-27958
> URL: https://issues.apache.org/jira/browse/FLINK-27958
> Project: Flink
> Issue Type: Improvement
> Components: Table Store
> Reporter: Jingsong Lee
> Priority: Minor
> Labels: pull-request-available
> Fix For: table-store-0.4.0
>
>
> In SortMergeReader, each sub reader is batched reader.
> When adding a new batch to the priority queue, we can look at the maximum key
> of the batch, and if its maximum key is smaller than the minimum key of other
> batches, then we can just output the whole batch.
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