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https://issues.apache.org/jira/browse/LUCENE-550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12518484
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Karl Wettin commented on LUCENE-550:
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Grant Ingersoll - 07/Aug/07 06:22 PM
> 1. No build file
> 2. Tests are virtually non-existent
>
> It could also use some documentation, especially on the how and why of the
> InstantiatedIndex.
I'll come up with some stuff asap.
About tests, the new patch is more or less a redection of the previous patch.
The latter contains more or less all tests assimilated to run on instantiated
index. WIth the new patch there is no IndexWriter, so I will have to
reassimilate it all.
In the old patch there is a test case that compare two index readers -
enumerating all parts of an a priori reader and a test reader comparing the
values. It passed in the old patch, so I don't think there is any problem. I'll
reintroduce it though. Do you think that would be enough, or do you want the
assimilated tests back?
Is the payload API fixed? There is a bunch of TODOs and warnings here and there
in the code, the reason for me not implementing it in this store.
> InstantiatedIndex - faster but memory consuming index
> -----------------------------------------------------
>
> Key: LUCENE-550
> URL: https://issues.apache.org/jira/browse/LUCENE-550
> Project: Lucene - Java
> Issue Type: New Feature
> Components: Store
> Affects Versions: 2.0.0
> Reporter: Karl Wettin
> Assignee: Grant Ingersoll
> Attachments: HitCollectionBench.jpg, lucene-550.jpg,
> LUCENE-550_20070804_no_core_changes.txt, test-reports.zip, trunk.diff.bz2,
> trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2,
> trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2, trunk.diff.bz2,
> trunk.diff.bz2, trunk.diff.bz2
>
>
> An non file centrinc all in memory index. Consumes some 2x the memory of a
> RAMDirectory (in a term satured index) but is between 3x-60x faster depending
> on application and how one counts. Average query is about 8x faster.
> IndexWriter and IndexModifier have been realized in InterfaceIndexWriter and
> InterfaceIndexModifier.
> InstantiatedIndex is wrapped in a new top layer index facade (class Index)
> that comes with factory methods for writers, readers and searchers for unison
> index handeling. There are decorators with notification handling that can be
> used for automatically syncronizing searchers on updates, et.c.
> Index also comes with FS/RAMDirectory implementation.
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