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Posted to issues@spark.apache.org by "Gengliang Wang (Jira)" <ji...@apache.org> on 2020/03/03 19:00:00 UTC
[jira] [Resolved] (SPARK-31013) InMemoryStore: improve
removeAllByIndexValues over natural key index
[ https://issues.apache.org/jira/browse/SPARK-31013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gengliang Wang resolved SPARK-31013.
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Fix Version/s: 3.1.0
Resolution: Fixed
This issue is resolved in https://github.com/apache/spark/pull/27763.
> InMemoryStore: improve removeAllByIndexValues over natural key index
> --------------------------------------------------------------------
>
> Key: SPARK-31013
> URL: https://issues.apache.org/jira/browse/SPARK-31013
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core, Web UI
> Affects Versions: 3.1.0
> Reporter: Gengliang Wang
> Assignee: Gengliang Wang
> Priority: Minor
> Fix For: 3.1.0
>
>
> The method `removeAllByIndexValues` in KVStore is to delete all the objects which have certain values in the given index.
> However, in the current implementation of `InMemoryStore`, when the given index is the natural key index, there is no special handling for it and a linear search over all the task data is performed.
> We can improve it by deleting the natural keys directly from the internal hashmap.
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