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https://issues.apache.org/jira/browse/SOLR-122?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468472
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Erik Hatcher commented on SOLR-122:
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Nice benchmarks Coda. I buy it. But wow, libxml is faster than string
concatenation. That surprises since surely libxml is doing more work, but down
in C instead of Ruby. Another nail in REXMLs coffin.
Let me get those refactorings to the request/responses committed and we'll
rework this so that it can work automatically if libxml-ruby gem is installed.
Sound good?
> 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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