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https://issues.apache.org/jira/browse/SOLR-15252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17322279#comment-17322279
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Mike Drob commented on SOLR-15252:
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I would be so bold as to set the logging threshold even lower, maybe 10k or 50k.
> Solr should log WARN log when a query requests huge rows number
> ---------------------------------------------------------------
>
> Key: SOLR-15252
> URL: https://issues.apache.org/jira/browse/SOLR-15252
> Project: Solr
> Issue Type: Improvement
> Components: query
> Reporter: Jan Høydahl
> Assignee: Jan Høydahl
> Priority: Major
> Time Spent: 10m
> Remaining Estimate: 0h
>
> We have all seen it - clients that use Integer.MAX_VALUE or 10000000 as rows
> parameter, to just make sure they get all possible results. And this of
> course leads to high GC pauses since Lucene allocates an array up front to
> hold results.
> Solr should either log WARN when it encounters a value above a certain
> threshold, such as 100k (then you should use cursormark instead). Or it
> should simply respond with 400 error and have a system property or query
> parameter folks can use to override if they know what they are doing.
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