: You've been asked a couple of times by several people to explain your : business needs (level higher than Solr itself). As it is, you are : slowly getting deeper and deeper into Solr's internals, where there : might be an easier question if we know what you are trying to achieve. : : It is your choice of course, but it might be easier to step back to : reconfirm what you are trying to actually achieve beyond the Solr : technicalities.
+1 to answer your specific question... >> Subject : Re: using a custom update for all documents ..you can configure any <updateRequestProcessorChain> as default="true" and it will be used regardless of wether it is specified by name in the update request using the update.chain param... https://lucene.apache.org/solr/5_3_1/solr-core/org/apache/solr/update/processor/UpdateRequestProcessorChain.html But again, i reierate Alexandre's higher level concern... https://people.apache.org/~hossman/#xyproblem XY Problem Your question appears to be an "XY Problem" ... that is: you are dealing with "X", you are assuming "Y" will help you, and you are asking about "Y" without giving more details about the "X" so that we can understand the full issue. Perhaps the best solution doesn't involve "Y" at all? See Also: http://www.perlmonks.org/index.pl?node_id=542341 -Hoss http://www.lucidworks.com/