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https://issues.apache.org/jira/browse/LUCENE-3433?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Willnauer updated LUCENE-3433:
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Attachment: LUCENE-3433.patch
This patch removes all uses of ValuesEnum and adds a
IndexDocValues#getDirectSource() which provides direct access without loading
into memory. This patch also removes all bounds checks and improves on disk
access on several variants.
its still a bit rough but reflects the idea. However, this patch also removes
the sorted variant for efficiency reasons. Currently those variant require a
lot of memory during merge as well as a sep. interface (sortedSource) which
adds another complexity to the API. With this patch we only have a single API
(Source) which is a good start to further improve this.
> Random access non RAM resident IndexDocValues (CSF)
> ---------------------------------------------------
>
> Key: LUCENE-3433
> URL: https://issues.apache.org/jira/browse/LUCENE-3433
> Project: Lucene - Java
> Issue Type: New Feature
> Affects Versions: 4.0
> Reporter: Yonik Seeley
> Fix For: 4.0
>
> Attachments: LUCENE-3433.patch, LUCENE-3433.patch
>
>
> There should be a way to get specific IndexDocValues by going through the
> Directory rather than loading all of the values into memory.
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