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https://issues.apache.org/jira/browse/HDDS-13291?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sammi Chen resolved HDDS-13291.
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Fix Version/s: 2.1.0
Resolution: Fixed
> [DiskBalancer] Add Performance Test for VolumeChoosingPolicy in DiskBalancer
> ----------------------------------------------------------------------------
>
> Key: HDDS-13291
> URL: https://issues.apache.org/jira/browse/HDDS-13291
> Project: Apache Ozone
> Issue Type: Sub-task
> Reporter: Gargi Jaiswal
> Assignee: Gargi Jaiswal
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.1.0
>
>
> This JIRA tracks the addition of a *micro-benchmark test* to evaluate the
> performance and efficiency of volume selection logic in DiskBalancer.
> *Test Scenario:* Test the volume choosing efficiency in diskbalancer.
> *SetUp:*
> Set up a cluster with one DN with 20 volume.
> Distribute data across these volumes such that:
> •A subset of volumes (e.g., 5 volumes) are significantly over-utilized (e.g.,
> > 80% full).
> •Another subset of volumes (e.g., 5 volumes) are significantly under-utilized
> (e.g., < 20% full).
> •The remaining volumes (e.g., 10 volumes) have usage around the ideal average
> utilization for the DN.
> *Expected Behaviour:*
> Picks pairs of volume efficiently such that one is most utilised while the
> other is least utilised.
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