Have you looked in the Admin UI's Plugin and Stats' menu? https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=32604180 I believe there are cache sizes (in units) there and you can even lock and compare to verify the impact of specific operations.
You may also find this article useful: http://blog.florian-hopf.de/2014/05/solr-cache-sizes-eclipse-memory-analyzer.html Regards, Alex. Personal: http://www.outerthoughts.com/ and @arafalov Solr resources and newsletter: http://www.solr-start.com/ and @solrstart Solr popularizers community: https://www.linkedin.com/groups?gid=6713853 On 25 November 2014 at 11:07, sumitj25 <sumitjai...@gmail.com> wrote: > Hi, > > I posted a question on stackoverflow regarding this > http://stackoverflow.com/questions/26909948/how-to-determine-amount-of-memory-used-by-different-solr-caches > <http://stackoverflow.com/questions/26909948/how-to-determine-amount-of-memory-used-by-different-solr-caches> > > Haven't received a response, so I am hoping to get the answer here. This is > the question > > Solr wiki https://wiki.apache.org/solr/SolrCaching > <http://wiki.apache.org/solr/SolrCaching> states > > filterCache stores unordered sets of document IDs that match the key > > queryResultCache stores ordered sets of document IDs > > What is the document id being referred to here? What is its size? Is it a > boolean bit vector with 1/0 for all documents present in the collection, > such that its size is equivalent to total docs * 1 bit? Mostly I am > concerned with changes in size of cache wrt number of indexed documents. > > Also is there any way to get the exact size of each cache in bytes? > > > > -- > View this message in context: > http://lucene.472066.n3.nabble.com/determine-amount-of-memory-used-by-different-solr-caches-tp4170900.html > Sent from the Solr - User mailing list archive at Nabble.com.