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https://issues.apache.org/jira/browse/SOLR-486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12588512#action_12588512
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Noble Paul commented on SOLR-486:
---------------------------------
performance numbers
=====================
bin vs. xml read performance : ~3 times faster
bin vs. xml write performance : ~2.5 times faster
datasize : 35% less
======================
The test:
The same operation is performed 100 times and an average is taken. Before the
execution, a warmup run is performed.
The output of a faceted query is taken out (xml).The size of the xml is 15.7KB.
It is loaded into memory and unmarshalled using XMLResponseParser . Then the
same object is written to xml using XMLWriter
The same dataobject is marshalled to byte[](binary) using NamedListCodec. The
datasize is 10.47KB . Then it is unmarshalled using NamedListCodec
> Support binary formats for QueryresponseWriter
> ----------------------------------------------
>
> Key: SOLR-486
> URL: https://issues.apache.org/jira/browse/SOLR-486
> Project: Solr
> Issue Type: Improvement
> Components: clients - java, search
> Reporter: Noble Paul
> Assignee: Yonik Seeley
> Priority: Minor
> Fix For: 1.3
>
> Attachments: SOLR-486.patch, SOLR-486.patch, SOLR-486.patch,
> SOLR-486.patch, SOLR-486.patch, SOLR-486.patch
>
>
> QueryResponse writer only allows text data to be written.
> So it is not possible to implement a binary protocol . Create another
> interface which has a method
> write(OutputStream os, SolrQueryRequest request, SolrQueryResponse response)
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