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Posted to dev@lucene.apache.org by "Simon Willnauer (JIRA)" <ji...@apache.org> on 2011/06/22 16:12:47 UTC
[jira] [Updated] (LUCENE-3216) Store DocValues per segment instead
of per field
[ https://issues.apache.org/jira/browse/LUCENE-3216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Simon Willnauer updated LUCENE-3216:
------------------------------------
Attachment: LUCENE-3216_floats.patch
here is a first patch that converts the floats impl to buffer values in ram during indexing but writes values directly during merge. all tests pass
I plan to commit this soon too. Rather go small iterations here instead of a large patch.
> Store DocValues per segment instead of per field
> ------------------------------------------------
>
> Key: LUCENE-3216
> URL: https://issues.apache.org/jira/browse/LUCENE-3216
> 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-3216_floats.patch
>
>
> currently we are storing docvalues per field which results in at least one file per field that uses docvalues (or at most two per field per segment depending on the impl.). Yet, we should try to by default pack docvalues into a single file if possible. To enable this we need to hold all docvalues in memory during indexing and write them to disk once we flush a segment.
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