Well, looking at the Lucene source code, I don’t see a limit check, so I guess the answer is “No”.
https://github.com/apache/lucene/blob/3024e66e4aba942b039fcad7daf958aa4c90b8bf/lucene/core/src/java/org/apache/lucene/search/IndexSearcher.java#L262 lucene/lucene/core/src/java/org/apache/lucene/search/IndexSearcher.java at 3024e66e4aba942b039fcad7daf958aa4c90b8bf · apache/lucene github.com wunder Walter Underwood wun...@wunderwood.org http://observer.wunderwood.org/ (my blog) > On Apr 17, 2024, at 3:29 PM, Walter Underwood <wun...@wunderwood.org> wrote: > > I know about both of those user-specified limits. They are documented, as is > the change in counting clauses in 9.0. > > I’ll ask again, is there a hard upper limit on the value of maxBooleanClauses? > > wunder > >> On Apr 17, 2024, at 2:33 PM, Chris Hostetter <hossman_luc...@fucit.org> >> wrote: >> >> >> >> : Is there a hard upper limit for maxBooleanClauses? We have someone hitting >> a limit at 64k clauses after upgrading to 9.x. >> >> There are two limits, one per-collection in solrconfig.xml that applies >> to query parsing, and one global in solr.xml that applies to every query >> including query expansion that hapens during query rewrite -- but those >> have both existed since at least 8.1 >> >> What did change in 9.0 is that the global limit now enforced recursively >> (by Lucene's index searcher) ... >> >> https://solr.apache.org/guide/solr/latest/upgrade-notes/major-changes-in-solr-9.html#querying-and-indexing-2 >> https://solr.apache.org/guide/solr/latest/configuration-guide/configuring-solr-xml.html#global-maxbooleanclauses >> https://solr.apache.org/guide/solr/latest/configuration-guide/caches-warming.html#maxbooleanclauses-element >> >> >> >> -Hoss >> http://www.lucidworks.com/ >
