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https://issues.apache.org/jira/browse/HDDS-17262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siyao Meng updated HDDS-17262:
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Attachment: HDDS-17262.001.patch
> Remove unused config hdds.datanode.disk.check.io.test.count
> -----------------------------------------------------------
>
> Key: HDDS-17262
> URL: https://issues.apache.org/jira/browse/HDDS-17262
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: Ozone Datanode
> Reporter: Siyao Meng
> Priority: Major
> Attachments: HDDS-17262.001.patch
>
>
> HDDS-13108 moved volume IO test failures to a time-based sliding window.
> Since then nothing reads {{hdds.datanode.disk.check.io.test.count}}.
> Its description still says the volume fails when more than
> {{io.failures.tolerated}} of the last N tests failed, and that setting it to
> 0 disables IO tests. Neither is true anymore; IO tests are disabled with
> {{hdds.datanode.disk.check.io.test.enabled=false}}. In the PR #8843 review it
> was noted that the property's function was "half removed", and that it cannot
> go through DeprecationDelta because the new property has a different type.
> Proposal:
> * Remove the property and its accessors.
> * Describe {{hdds.datanode.disk.check.io.failures.tolerated}} in terms of
> {{hdds.datanode.disk.check.sliding.window.timeout}}.
> Clusters that still set the key are unaffected, since the value is already
> ignored.
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