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https://issues.apache.org/jira/browse/SOLR-2548?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13762543#comment-13762543
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Yonik Seeley commented on SOLR-2548:
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bq. in the event of an exception in one worker; the rest should be cancelled
In addition to Robert's comment that points out why we never want to use cancel
on anything that does IO, we shouldn't add complexity trying to optimize an
error case.
bq. ExecutionException is a wrapping exception; you should unwrap it and wrap
SolrException on its contents, not the ExecutionException itself.
We should definitely strive to make the multi-threading as transparent as
possible (i.e. exceptions should be as close as possible to the non-threaded
case).
> Multithreaded faceting
> ----------------------
>
> Key: SOLR-2548
> URL: https://issues.apache.org/jira/browse/SOLR-2548
> Project: Solr
> Issue Type: Improvement
> Components: search
> Affects Versions: 3.1
> Reporter: Janne Majaranta
> Assignee: Erick Erickson
> Priority: Minor
> Labels: facet
> Fix For: 4.5, 5.0
>
> Attachments: SOLR-2548_4.2.1.patch, SOLR-2548_for_31x.patch,
> SOLR-2548_multithreaded_faceting,_dsmiley.patch, SOLR-2548.patch,
> SOLR-2548.patch, SOLR-2548.patch, SOLR-2548.patch, SOLR-2548.patch,
> SOLR-2548.patch
>
>
> Add multithreading support for faceting.
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