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https://issues.apache.org/jira/browse/LUCENE-3217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Willnauer updated LUCENE-3217:
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Attachment: LUCENE-3217.patch
here is a patch for int variant. All fixed int variants are merged without
loading them into memory and bulk merged if no deleted docs are present.
> Improve DocValues merging
> -------------------------
>
> Key: LUCENE-3217
> URL: https://issues.apache.org/jira/browse/LUCENE-3217
> Project: Lucene - Java
> Issue Type: Improvement
> Components: core/index
> Affects Versions: 4.0
> Reporter: Simon Willnauer
> Assignee: Simon Willnauer
> Fix For: 4.0
>
> Attachments: LUCENE-3217.patch
>
>
> Some DocValues impl. still load all values from merged segments into memory
> during merge. For efficiency we should merge them on the fly without
> buffering in memory
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