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Tuning of solr.maxBooleanClauses parameter

Question asked by mlagneaux on Aug 19, 2014
Latest reply on Aug 21, 2014 by afaust

I'm not sure this is the right section for this post. I'm sorry if it is not.
I'm working on Alfresco 4.2.1. My search engine is SolR and i'm facing the error described in JIRA ticket MNT-11905.

In JIRA ticket, they said that increasing solr.maxBooleanClauses parameter will fix the error but it can also have an impact on performance.

I'd like to know what are the Boolean Clauses and how they are generated when using a wildcard in the Lucene request.
Moreover, is it possible to know how many Boolean clauses are generated in a request in order to determine maxBooleanClauses parameter value.

Thank you in advance for your help.