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https://issues.apache.org/jira/browse/SOLR-5201?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13753823#comment-13753823
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Hoss Man commented on SOLR-5201:
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[~teofili]: I'm not sure what kind of state the AnalysisEngine maintains that
might be reused/pollute subsequent requests, but there are two things you could
do to "cache" an AnalysisEngine for various durations depending on what you're
looking for...
* you could create & cache the engine in the UIAMAUpdateRequestProcessor object
and then it will be re-used for each document included in a single update
request
* you could create & cache the engine in the
UIAMAUpdateRequestProcessorFactory, passing it to each
UIAMAUpdateRequestProcessor it creates, and then it will be re-used for every
document included in every request.
> UIMAUpdateRequestProcessor should reuse the AnalysisEngine
> ----------------------------------------------------------
>
> Key: SOLR-5201
> URL: https://issues.apache.org/jira/browse/SOLR-5201
> Project: Solr
> Issue Type: Improvement
> Components: contrib - UIMA
> Affects Versions: 4.4
> Reporter: Tommaso Teofili
> Assignee: Tommaso Teofili
> Fix For: 4.5, 5.0
>
>
> As reported in http://markmail.org/thread/2psiyl4ukaejl4fx
> UIMAUpdateRequestProcessor instantiates an AnalysisEngine for each request
> which is bad for performance therefore it'd be nice if such AEs could be
> reused whenever that's possible.
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