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Posted to issues@solr.apache.org by "ASF GitHub Bot (Jira)" <ji...@apache.org> on 2026/04/01 10:47:00 UTC

[jira] [Updated] (SOLR-18186) Solr heap used percentage uses committed heap instead of max heap which raises false alarm

     [ https://issues.apache.org/jira/browse/SOLR-18186?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SOLR-18186:
----------------------------------
    Labels: pull-request-available  (was: )

> Solr heap used percentage uses committed heap instead of max heap which raises false alarm 
> -------------------------------------------------------------------------------------------
>
>                 Key: SOLR-18186
>                 URL: https://issues.apache.org/jira/browse/SOLR-18186
>             Project: Solr
>          Issue Type: Bug
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: Admin UI
>    Affects Versions: 10.0, 9.10.1
>            Reporter: Ravi Ranjan Jha
>            Priority: Major
>              Labels: pull-request-available
>         Attachments: image-2026-04-01-15-52-26-883.png, image-2026-04-01-15-54-29-256.png
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Solr heap used percentage uses committed heap instead of max heap. Ideally it should use configured max heap size for the calculation.
> At this point, it causes unnecessary concern to the users can see a high percentage in red even for low heap usage.
> As an example in this image it shows the heap usage as 89% in red for 6.9 GB usage because committed memory is 7.6 GB but the actually configured max heap (-Xmx) is 12GB. This computation should use configured max heap size of 12 GB instead which will show the actual status of the node heap usage.
> !image-2026-04-01-15-52-26-883.png!
>  
> !image-2026-04-01-15-54-29-256.png!



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