[jira] [Commented] (SOLR-2054) Remove StAX libraries from trunk (java6)

["Sami Siren (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SOLR-2054?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13295573#comment-13295573 ] 

Sami Siren commented on SOLR-2054:
----------------------------------

fwiw: when parsing 1m simple update 1 doc xml messages the woodstox (com.ctc.wstx.sr.ValidatingStreamReader, 13068ms) seems to be roughly 2 times as fast as the jdk impl (com.sun.org.apache.xerces.internal.impl.XMLStreamReaderImpl, 21433ms).

I think this all comes down to how significant portion of total ingestion time is being spent in parsing xml (vs all the rest).

Test code:
{code}
    XMLStreamReader parser = 
      inputFactory.createXMLStreamReader( new StringReader( xml ) );
    parser.next(); // read the START document...
    //null for the processor is all right here
    XMLLoader loader = new XMLLoader();
    SolrInputDocument doc = loader.readDoc( parser );
    }
{code}


                
> Remove StAX libraries from trunk (java6)
> ----------------------------------------
>
>                 Key: SOLR-2054
>                 URL: https://issues.apache.org/jira/browse/SOLR-2054
>             Project: Solr
>          Issue Type: Task
>            Reporter: Ryan McKinley
>            Priority: Trivial
>             Fix For: 4.1
>
>
> Java 6 includes the StAX libraries, so there is no need to include them directly

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