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https://issues.apache.org/jira/browse/LUCENE-9424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17165140#comment-17165140
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Michael McCandless commented on LUCENE-9424:
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Thanks [~zhai7631], the patch looks good. I'll push soon!
> Have a warning comment for AttributeSource.captureState
> -------------------------------------------------------
>
> Key: LUCENE-9424
> URL: https://issues.apache.org/jira/browse/LUCENE-9424
> Project: Lucene - Core
> Issue Type: Improvement
> Components: general/javadocs
> Reporter: Haoyu Zhai
> Priority: Trivial
> Attachments: LUCENE-9424.patch
>
>
> {{AttributeSource.captureState}} is a powerful method that can be used to
> store and (later on) restore the current state, but it comes with a cost of
> copying all attributes in this source and sometimes can be a big cost if
> called multiple times.
> We could probably add a warning to indicate this cost, as this method is
> encapsulated quite well and sometimes people who use it won't be aware of the
> cost.
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