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https://issues.apache.org/jira/browse/SOLR-15252?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17322359#comment-17322359
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Jan Høydahl commented on SOLR-15252:
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{quote}I would be so bold as to set the logging threshold even lower, maybe 10k
or 50k.
{quote}
Sure, we can do that. I think I'll lower it to 10k and at the same time mute
the warn for 1h istead of 1m, since the warn will be much more frequent with
such a threshold.
Do we need a system property to mute this log permanently? Alternatively use a
separate logging class which can then be filtered in log4j2.xml?
> 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: 20m
> 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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