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From "Han Jiang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LUCENE-3892) Add a useful intblock postings format (eg, FOR, PFOR, PFORDelta, Simple9/16/64, etc.)
Date Thu, 26 Apr 2012 16:06:16 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-3892?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13262694#comment-13262694
] 

Han Jiang commented on LUCENE-3892:
-----------------------------------

It's quite strange that sometimes I cannot access repo1.maven.org, therefore "ant ivy-boostrap"
& "ant resolve" will fail to work.(Since I'm in China, the network connection might be
limited).

Once Mike and I hoped to make things work by configuring "lucene/common-build.xml" & "dev-tools/scripts/poll-mirrors.pl"
to another maven mirror, listed in http://docs.codehaus.org/display/MAVENUSER/Mirrors+Repositories.
Unfortunately, the main site "repo1.maven.org" was configured into ivy-2.2.0.jar, and even
we pass "ant ivy-bootstrap", "ant resolve" still fails.

Well, here is how I get things work(too ugly, hope a better suggestion!):

change /etc/hosts,
and redirect current maven site to a mirror with same directory structure, for example: 

194.8.197.22    repo1.maven.org # to http://mirror.netcologne.de/
                
> Add a useful intblock postings format (eg, FOR, PFOR, PFORDelta, Simple9/16/64, etc.)
> -------------------------------------------------------------------------------------
>
>                 Key: LUCENE-3892
>                 URL: https://issues.apache.org/jira/browse/LUCENE-3892
>             Project: Lucene - Java
>          Issue Type: Improvement
>            Reporter: Michael McCandless
>              Labels: gsoc2012, lucene-gsoc-12
>             Fix For: 4.0
>
>
> On the flex branch we explored a number of possible intblock
> encodings, but for whatever reason never brought them to completion.
> There are still a number of issues opened with patches in different
> states.
> Initial results (based on prototype) were excellent (see
> http://blog.mikemccandless.com/2010/08/lucene-performance-with-pfordelta-codec.html
> ).
> I think this would make a good GSoC project.

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