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https://issues.apache.org/jira/browse/LUCENE-5462?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-5462:
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Attachment: LUCENE-5462.patch
Here is a patch that removes calls to {{RamUsageEstimator.sizeOf(Object)}} in
Lucene 3.x terms, norms, term vectors and stored fields. So I think that there
is no format producer anymore that relies on this method.
> Lucene3xFields shouldn't use RamUsageEstimator to estimate size
> ---------------------------------------------------------------
>
> Key: LUCENE-5462
> URL: https://issues.apache.org/jira/browse/LUCENE-5462
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Fix For: 4.7
>
> Attachments: LUCENE-5462.patch
>
>
> We have had a few Elasticsearch users who have high CPU usage because of
> RamUsageEstimator being used to estimate memory usage of Lucene3xFields.
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