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https://issues.apache.org/jira/browse/KAFKA-8094?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthias J. Sax updated KAFKA-8094:
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Fix Version/s: 2.3.0
> Iterating over cache with get(key) is inefficient
> --------------------------------------------------
>
> Key: KAFKA-8094
> URL: https://issues.apache.org/jira/browse/KAFKA-8094
> Project: Kafka
> Issue Type: Improvement
> Components: streams
> Reporter: Sophie Blee-Goldman
> Assignee: Sophie Blee-Goldman
> Priority: Major
> Labels: streams
> Fix For: 2.3.0
>
>
> Currently, range queries in the caching layer are implemented by creating an
> iterator over the subset of keys in the range, and calling get() on the
> underlying TreeMap for each key. While this protects against
> ConcurrentModificationException, we can improve performance by replacing the
> TreeMap with a concurrent data structure such as ConcurrentSkipListMap and
> then just iterating over a subMap.
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