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https://issues.apache.org/jira/browse/HDDS-13220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Blough updated HDDS-13220:
-------------------------------
Status: Patch Available (was: Open)
Pull request available for review:
https://github.com/apache/ozone/pull/8648
> Negative usedBytes messages flood Recon logs in large clusters
> --------------------------------------------------------------
>
> Key: HDDS-13220
> URL: https://issues.apache.org/jira/browse/HDDS-13220
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Recon
> Affects Versions: 1.4.1
> Reporter: Ryan Blough
> Assignee: Ryan Blough
> Priority: Minor
>
> In Recon, WARN messages of the type:
> {code:java}
> 2025-05-13 12:41:29,141 WARN
> [ContainerSizeCountTask]-org.apache.hadoop.ozone.recon.tasks.ContainerSizeCountTask:
> Negative usedBytes (-99999999) for container #555555 treating it as 0{code}
>
> Can flood the logs in large clusters. In a cluster with 150+ DataNodes and
> 50+ PB of data, I observed 90k such entries reporting once per minute,
> flooding the Recon logs into uselessness.
> The root cause of these messages is logging on the DataNode, which is
> aggregated into Recon. The appearance of the messages on the DataNode side
> has been resolved in HDDS-11267. The flood of messages on the Recon side can
> be resolved by switching the loglevel of this message from WARN to DEBUG.
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