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https://issues.apache.org/jira/browse/HDDS-14925?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ashish Kumar resolved HDDS-14925.
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Fix Version/s: 2.2.0
Resolution: Implemented
> Enhance DN Disk space management with soft and hard minfreespace limits
> -----------------------------------------------------------------------
>
> Key: HDDS-14925
> URL: https://issues.apache.org/jira/browse/HDDS-14925
> Project: Apache Ozone
> Issue Type: Improvement
> Reporter: Ashish Kumar
> Assignee: Ashish Kumar
> Priority: Major
> Labels: pull-request-available
> Fix For: 2.2.0
>
>
> Proposing to use 25%(of hard limit) as soft limit. Current hard limit is 2%
> Example: 16TB disk, Current hard limit min free: 320GB
> Proposal:
> {code:java}
> |<------------------ 320GB (2% of total disk space) hardlimit
> ---------------------------> | Current |
> |<--- 80GB (0.25%) soft limit --->|<----------------- 240GB hardlimit
> ------------------->| Proposed|
> {code}
>
> DN will report soft + hard limit(320GB) to SCM, and DN while allocating a new
> container or during write chunk it should allow up to hard limit.
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