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From "Simon Willnauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (LUCENE-3108) Land DocValues on trunk
Date Thu, 09 Jun 2011 13:16:59 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-3108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Simon Willnauer updated LUCENE-3108:
------------------------------------

    Attachment: LUCENE-3108.patch

Patch that reflects the last changes to sync with trunk after I ran svn merge -reintegrate

The reintegrated branch looks good, no unchanged additions etc. 

I think we are ready to land this on trunk... I will wait a day or two if somebody has objections.


here is my +1 to commit

> Land DocValues on trunk
> -----------------------
>
>                 Key: LUCENE-3108
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3108
>             Project: Lucene - Java
>          Issue Type: Task
>          Components: core/index, core/search, core/store
>    Affects Versions: CSF branch, 4.0
>            Reporter: Simon Willnauer
>            Assignee: Simon Willnauer
>             Fix For: 4.0
>
>         Attachments: LUCENE-3108.patch, LUCENE-3108.patch, LUCENE-3108.patch, LUCENE-3108.patch,
LUCENE-3108.patch, LUCENE-3108_CHANGES.patch
>
>
> Its time to move another feature from branch to trunk. I want to start this process now
while still a couple of issues remain on the branch. Currently I am down to a single nocommit
(javadocs on DocValues.java) and a couple of testing TODOs (explicit multithreaded tests and
unoptimized with deletions) but I think those are not worth separate issues so we can resolve
them as we go. 
> The already created issues (LUCENE-3075 and LUCENE-3074) should not block this process
here IMO, we can fix them once we are on trunk. 
> Here is a quick feature overview of what has been implemented:
>  * DocValues implementations for Ints (based on PackedInts), Float 32 / 64, Bytes (fixed
/ variable size each in sorted, straight and deref variations)
>  * Integration into Flex-API, Codec provides a PerDocConsumer->DocValuesConsumer (write)
/ PerDocValues->DocValues (read) 
>  * By-Default enabled in all codecs except of PreFlex
>  * Follows other flex-API patterns like non-segment reader throw UOE forcing MultiPerDocValues
if on DirReader etc.
>  * Integration into IndexWriter, FieldInfos etc.
>  * Random-testing enabled via RandomIW - injecting random DocValues into documents
>  * Basic checks in CheckIndex (which runs after each test)
>  * FieldComparator for int and float variants (Sorting, currently directly integrated
into SortField, this might go into a separate DocValuesSortField eventually)
>  * Extended TestSort for DocValues
>  * RAM-Resident random access API plus on-disk DocValuesEnum (currently only sequential
access) -> Source.java / DocValuesEnum.java
>  * Extensible Cache implementation for RAM-Resident DocValues (by-default loaded into
RAM only once and freed once IR is closed) -> SourceCache.java
>  
> PS: Currently the RAM resident API is named Source (Source.java) which seems too generic.
I think we should rename it into RamDocValues or something like that, suggestion welcome!
  
> Any comments, questions (rants :)) are very much appreciated.

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