Thanks for detailed answers. 2013/4/19 Chris Hostetter <hossman_luc...@fucit.org>
> > : I am trying to understand update request processor chains. Do they runs > one > : by one when indexing a ducument? Can I identify multiple update request > : processor chains? Also what are that LogUpdateProcessorFactory and > : RunUpdateProcessorFactory? > > http://wiki.apache.org/solr/UpdateRequestProcessor > > "solrconfig.xml files can contain any number of > UpdateRequestProcessorChains..." > > "Once one or more update chains are defined, you may select one on the > update request through the parameter update.chain" > > > > https://lucene.apache.org/solr/4_2_1/solr-core/org/apache/solr/update/processor/LogUpdateProcessorFactory.html > > " This keeps track of all commands that have passed through the chain and > prints them on finish(). At the Debug (FINE) level, a message will be > logged for each command prior to the next stage in the chain. " > > > > > https://lucene.apache.org/solr/4_2_1/solr-core/org/apache/solr/update/processor/RunUpdateProcessorFactory.html > > "Executes the update commands using the underlying UpdateHandler. Allmost > all processor chains should end with an instance of > RunUpdateProcessorFactory unless the user is explicitly executing the > update commands in an alternative custom UpdateRequestProcessorFactory" > > > -Hoss >
