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https://issues.apache.org/jira/browse/HDDS-13845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Priyesh K resolved HDDS-13845.
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Resolution: Abandoned
> Introduce caching layer at Recon for consolidated capacity distribution data
> -----------------------------------------------------------------------------
>
> Key: HDDS-13845
> URL: https://issues.apache.org/jira/browse/HDDS-13845
> Project: Apache Ozone
> Issue Type: Improvement
> Components: Ozone Recon
> Reporter: Priyesh K
> Assignee: Priyesh K
> Priority: Major
>
> To improve performance and reduce frequent DN endpoint calls, SCM calls and
> OM db reads and introduce a caching layer in Recon to store consolidated
> capacity distribution data.
> This cache will hold precomputed storage metrics such as total used space,
> free space, capacity, and per-datanode distribution.
> The cache should be periodically refreshed based on a configurable interval
> or triggered by data updates.
> Recon APIs serving capacity distribution details should first check the cache
> before querying the underlying data store.
> *Goals:*
> * Reduce call to DN endpoints, SCM and OM db hits and API latency.
> * Improve responsiveness of capacity distribution dashboard.
> * Ensure data consistency with periodic refresh or event-based updates.
> *Acceptance Criteria:*
> * A caching layer implemented for consolidated capacity distribution data.
> * Configurable cache refresh interval.
> * APIs read from cache instead of direct DB calls.
> * Metrics/logs added to monitor cache hit/miss ratio.
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