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https://issues.apache.org/jira/browse/SPARK-49580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated SPARK-49580:
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Labels: pull-request-available (was: )
> Basic admission control over the number of concurrent executions
> ----------------------------------------------------------------
>
> Key: SPARK-49580
> URL: https://issues.apache.org/jira/browse/SPARK-49580
> Project: Spark
> Issue Type: Improvement
> Components: Connect
> Affects Versions: 4.0.0
> Reporter: Changgyoo Park
> Priority: Major
> Labels: pull-request-available
>
> Related to https://issues.apache.org/jira/browse/SPARK-49544
> Need to limit the number of ExecuteHolders associated to a single session.
> -> If the limit is reached, the client should retry (add a new error class +
> modify RetryPolicy.scala).
> *I'd like to emphasise that this can be a (D)DoS attack vector! A single
> session can spawn unlimited number of threads!*.
> + (Maybe) The number of total sessions should also be limited.
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