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From "Jason Rutherglen (JIRA)" <j...@apache.org>
Subject [jira] Updated: (LUCENE-2575) Concurrent byte and int block implementations
Date Tue, 14 Sep 2010 22:44:33 GMT

     [ https://issues.apache.org/jira/browse/LUCENE-2575?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Rutherglen updated LUCENE-2575:
-------------------------------------

    Attachment: LUCENE-2575.patch

Added a unit test for payloads, term vectors, and doc stores.  The reader flushes term vectors
and doc stores on demand, once per reader.  Also, little things are getting cleaned up in
the realtime branch.

> Concurrent byte and int block implementations
> ---------------------------------------------
>
>                 Key: LUCENE-2575
>                 URL: https://issues.apache.org/jira/browse/LUCENE-2575
>             Project: Lucene - Java
>          Issue Type: Improvement
>          Components: Index
>    Affects Versions: Realtime Branch
>            Reporter: Jason Rutherglen
>             Fix For: Realtime Branch
>
>         Attachments: LUCENE-2575.patch, LUCENE-2575.patch, LUCENE-2575.patch, LUCENE-2575.patch
>
>
> The current *BlockPool implementations aren't quite concurrent.
> We really need something that has a locking flush method, where
> flush is called at the end of adding a document. Once flushed,
> the newly written data would be available to all other reading
> threads (ie, postings etc). I'm not sure I understand the slices
> concept, it seems like it'd be easier to implement a seekable
> random access file like API. One'd seek to a given position,
> then read or write from there. The underlying management of byte
> arrays could then be hidden?

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