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Posted to issues@solr.apache.org by "rajanimaski (Jira)" <ji...@apache.org> on 2023/10/08 23:50:00 UTC

[jira] [Updated] (SOLR-17018) LTR queries producing out of memory issues

     [ https://issues.apache.org/jira/browse/SOLR-17018?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

rajanimaski updated SOLR-17018:
-------------------------------
    Security:     (was: Public)

> 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
>
> LTR queries are producing oom and looks like the issue is same as what is described on this SOLR-5986.  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 10 or more terms or paginated with start>=500  are leading to full heap usage, invoking full GC, reporting an oom.  Certain LTR queries are taking more than 15 seconds which seems like is the issue, it is during this time interval the tenured(old generation) heap is getting filled up as well.  



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