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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] [Commented] (SPARK-31677) Use KVStore to cache stream query
progress
[ https://issues.apache.org/jira/browse/SPARK-31677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17104265#comment-17104265 ]
Apache Spark commented on SPARK-31677:
--------------------------------------
User 'uncleGen' has created a pull request for this issue:
https://github.com/apache/spark/pull/28497
> 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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