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https://issues.apache.org/jira/browse/SPARK-51358?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jungtaek Lim resolved SPARK-51358.
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Fix Version/s: 4.1.0
Resolution: Fixed
Issue resolved by pull request 50123
[https://github.com/apache/spark/pull/50123]
> Introduce snapshot upload lag detection through StateStoreCoordinator
> ---------------------------------------------------------------------
>
> Key: SPARK-51358
> URL: https://issues.apache.org/jira/browse/SPARK-51358
> Project: Spark
> Issue Type: Improvement
> Components: Structured Streaming
> Affects Versions: 4.0.0, 4.1.0
> Reporter: Zeyu Chen
> Assignee: Zeyu Chen
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.1.0
>
>
> As part of the first step to increase visibility into snapshot upload lag, we
> want to add a snapshot lag alerting system. Using the state store
> coordinator, we want to publish driver logs to warn about specific state
> store instances falling behind.
> This allows us to enable observability through dashboards and alerts, helping
> us understand the patterns and frequency of lag in production. The collected
> data will also inform future remediation strategies.
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