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https://issues.apache.org/jira/browse/LUCENE-6840?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Adrien Grand updated LUCENE-6840:
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Attachment: LUCENE-6840.patch
Here is a new patch that folds the ability to read after a given offset into
DirectReader directly, so that we don't have to introduce a new implementation
of RandomAccessInput, which seemed to confuse hotspot a bit.
||branch||index size(MB)||memory usage(MB)||time to sort on "name" (ms)||time
to sort on "alternatenames" (ms)||
|trunk|311|33.1|4780|3580|
|patch|319 (+2%)|1.4 (-96%)|4960 (+4%)|3790 (+6%)|
> Put ord indexes of doc values on disk
> -------------------------------------
>
> Key: LUCENE-6840
> URL: https://issues.apache.org/jira/browse/LUCENE-6840
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Adrien Grand
> Assignee: Adrien Grand
> Priority: Minor
> Attachments: LUCENE-6840.patch, LUCENE-6840.patch
>
>
> Currently we still load monotonic blocks into memory to map doc ids to an
> offset on disk. Since these data structures are usually consumed sequentially
> I would like to investigate putting them to disk.
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