[jira] [Updated] (LUCENE-3217) Improve DocValues merging

["Simon Willnauer (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LUCENE-3217?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Simon Willnauer updated LUCENE-3217:
------------------------------------

    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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