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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-1313) Realtime Search
Date Tue, 19 May 2009 21:59:45 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-1313?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Rutherglen updated LUCENE-1313:
-------------------------------------

    Attachment: LUCENE-1313.patch

 * All tests pass, added more tests

* Added DocumentsWriter.growRamBufferBy/growRamDirMaxBy methods
that allow dynamically requesting more ram. We start off at
50/50, ramdir/rambuffer. Then whenever one needs more, grow* is
called.  

* We need a RAMPolicy class that allows customizing how ram is
allocated. Currently the ramdir and the rambuffer compete for
space, the user will presumably want to customize this.

* I'm not sure the flushing always occurs when it should, and
not sure yet how to test to insure it's flushing when it should
(other than watching a log). What happened to the adding logging
to Lucene patch? 

> Realtime Search
> ---------------
>
>                 Key: LUCENE-1313
>                 URL: https://issues.apache.org/jira/browse/LUCENE-1313
>             Project: Lucene - Java
>          Issue Type: New Feature
>          Components: Index
>    Affects Versions: 2.4.1
>            Reporter: Jason Rutherglen
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: LUCENE-1313.jar, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch,
LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch,
LUCENE-1313.patch, LUCENE-1313.patch, LUCENE-1313.patch, lucene-1313.patch, lucene-1313.patch,
lucene-1313.patch, lucene-1313.patch
>
>
> Realtime search with transactional semantics.  
> Possible future directions:
>   * Optimistic concurrency
>   * Replication
> Encoding each transaction into a set of bytes by writing to a RAMDirectory enables replication.
 It is difficult to replicate using other methods because while the document may easily be
serialized, the analyzer cannot.
> I think this issue can hold realtime benchmarks which include indexing and searching
concurrently.

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