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Posted to issues@spark.apache.org by "Apache Spark (Jira)" <ji...@apache.org> on 2020/05/11 09:31:00 UTC

[jira] [Assigned] (SPARK-31677) Use KVStore to cache stream query progress

     [ https://issues.apache.org/jira/browse/SPARK-31677?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Apache Spark reassigned SPARK-31677:
------------------------------------

    Assignee:     (was: Apache Spark)

> Use KVStore to cache stream query progress
> ------------------------------------------
>
>                 Key: SPARK-31677
>                 URL: https://issues.apache.org/jira/browse/SPARK-31677
>             Project: Spark
>          Issue Type: Improvement
>          Components: Structured Streaming
>    Affects Versions: 2.4.5, 3.0.0
>            Reporter: Genmao Yu
>            Priority: Major
>
> 1. Streaming query progress information are cached twice in *StreamExecution* and *StreamingQueryStatusListener*.  It is memory-wasting. We can make this two usage unified.
> 2. Use *KVStore* instead to cache streaming query progress information.



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