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Posted to issues@spark.apache.org by "Gengliang Wang (Jira)" <ji...@apache.org> on 2020/03/02 20:27:00 UTC
[jira] [Created] (SPARK-31013) InMemoryStore: improve
removeAllByIndexValues over natural key index
Gengliang Wang created SPARK-31013:
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Summary: 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
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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