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Posted to dev@lucene.apache.org by "Robert Muir (JIRA)" <ji...@apache.org> on 2013/07/18 19:24:50 UTC
[jira] [Updated] (LUCENE-5119) DiskDV SortedDocValues shouldnt hold
doc-to-ord in heap memory
[ https://issues.apache.org/jira/browse/LUCENE-5119?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Muir updated LUCENE-5119:
--------------------------------
Attachment: LUCENE-5119.patch
> DiskDV SortedDocValues shouldnt hold doc-to-ord in heap memory
> --------------------------------------------------------------
>
> Key: LUCENE-5119
> URL: https://issues.apache.org/jira/browse/LUCENE-5119
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Robert Muir
> Attachments: LUCENE-5119.patch
>
>
> These are accessed sequentially when e.g. faceting, and can be a fairly large amount of data (based on # of docs and # of unique terms).
> I think this was done so that conceptually "random" access to a specific docid would be faster than eg. stored fields, but I think we should instead target the DV datastructures towards real use cases (faceting,sorting,grouping,...)
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