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https://issues.apache.org/jira/browse/LUCENE-5928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14126913#comment-14126913
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Uwe Schindler commented on LUCENE-5928:
---------------------------------------
You may also look at:
http://stackoverflow.com/questions/561245/virtual-memory-usage-from-java-under-linux-too-much-memory-used
> WildcardQuery may has memory leak
> ---------------------------------
>
> Key: LUCENE-5928
> URL: https://issues.apache.org/jira/browse/LUCENE-5928
> Project: Lucene - Core
> Issue Type: Bug
> Components: core/search
> Affects Versions: 4.9
> Environment: SSD 1.5T, RAM 256G 10*10000
> Reporter: Littlestar
> Assignee: Uwe Schindler
>
> data 800G, records 15*10000*10000.
> one search thread.
> content:???
> content:*
> content:*1
> content:*2
> content:*3
> jvm heap=96G, but the jvm memusage over 130g?
> run more wildcard, use memory more....
> Does luence search/index use a lot of DirectMemory or Native Memory?
> I use -XX:MaxDirectMemorySize=4g, it does nothing better.
> Thanks.
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