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https://issues.apache.org/jira/browse/HDDS-15147?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Navin Kumar reassigned HDDS-15147:
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Assignee: Navin Kumar
> [Cluster Capacity] Standardize Datanode Insight Export Filenames and Unit
> Headers
> ---------------------------------------------------------------------------------
>
> Key: HDDS-15147
> URL: https://issues.apache.org/jira/browse/HDDS-15147
> Project: Apache Ozone
> Issue Type: Bug
> Components: Ozone Recon
> Reporter: Arun Sarin
> Assignee: Navin Kumar
> Priority: Minor
> Attachments: image-2026-05-02-02-56-38-055.png
>
>
> h3. *Summary*
> Currently, the "Download Insights" feature on the Datanodes dashboard
> produces a file with a generic name and lacks unit indicators in the column
> headers. This makes it difficult to distinguish between exports from
> different clusters and leads to ambiguity when interpreting storage metrics
> (e.g., Capacity, Used Space).
> h3. *Problem Description*
> # *Non-descriptive Filenames:* The downloaded file lacks a unique
> identifier. In environments with multiple clusters or recurring monitoring
> tasks, users cannot distinguish which file belongs to which environment
> without opening them.
> # *Ambiguous Metrics:* The spreadsheet headers (e.g., Filesystem Capacity,
> Ozone Used Space) do not specify units. As seen in the provided sheet, values
> are large integers (bytes), which are difficult to read and verify against
> the UI (which shows {*}GB{*}) without manual conversion.
> h3. *Proposed Improvements*
> h4. *1. Standardize Filename Convention*
> Incorporate the cluster name or CM hostname and a timestamp into the filename
> to ensure uniqueness and traceability.
> * *Suggested Format:* Datanode_Insights_[ClusterName]_[YYYYMMDD_HHMM].csv
> * *Example:* Datanode_Insights_ccycloud-3_20240520_1430.csv
> h4. *2. Explicit Unit Headers*
> Update the export logic to include the unit of measurement in the column
> headers. Since the raw data is currently exported in bytes, the headers
> should reflect this to prevent calculation errors.
> * *Current Header:* Filesystem Capacity
> * *Recommended Header:* Filesystem Capacity (Bytes) or Filesystem Capacity
> (GB) _if the data is pre-converted._
>
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