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https://issues.apache.org/jira/browse/SOLR-17018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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rajanimaski updated SOLR-17018:
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Attachment: image-2023-10-11-14-38-43-351.png
> LTR queries producing out of memory issues
> ------------------------------------------
>
> Key: SOLR-17018
> URL: https://issues.apache.org/jira/browse/SOLR-17018
> Project: Solr
> Issue Type: Improvement
> Components: contrib - LTR, ltr
> Affects Versions: 9.1.1
> Reporter: rajanimaski
> Priority: Major
> Labels: ltr
> Attachments: image-2023-10-11-14-38-43-351.png
>
>
> LTR queries are producing oom and looks like the issue is same as what is
> described on this SOLR-5986. I think this happens because LTR component does
> not implement `timeAllowed`. During peak traffic hours, when 80% of resources
> are in use, one expensive LTR query that either has more terms or paginated
> with start>=500 are not ceased and hence leading to full heap usage, invoking
> full GC, and reporting an oom. I do see queries with ltr param are taking
> more than 15 seconds which seems like is the reason for oom issue, it is
> during this time interval the tenured(old generation) heap also gets filled
> up.
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