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https://issues.apache.org/jira/browse/SOLR-122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468153
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Erik Hatcher commented on SOLR-122:
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Thanks for the performance numbers. I'm confused on how your XML patch
improves querying performance, since the Ruby's eval() is used for processing
search results and there isn't any XML parsing involved (unless I'm missing
something) ???
> Add optional support for Ruby-libxml2 (vs. REXML)
> -------------------------------------------------
>
> Key: SOLR-122
> URL: https://issues.apache.org/jira/browse/SOLR-122
> Project: Solr
> Issue Type: Improvement
> Components: clients - ruby - flare
> Reporter: Coda Hale
> Attachments: libxml.rb, libxml.rb
>
>
> This file adds drop-in support for the ruby-libxml2, which is a wrapper for
> the libxml2 library, which is an order of magnitude or so faster than REXML.
> This depends on my SOLR-121 patch for multi-document adds, since the behavior
> of Solr::Request::AddDocument#to_s is different.
> Requiring this makes some tests fail, but for trivial reasons: some tests are
> directly tied to REXML, others fail due to interelement whitespace added by
> libxml2 (which you can't disable via the Ruby interface). Functionally, it's
> identical, and passes all functional tests.
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