Re: Solr 4.3 open a lot more files than solr 3.6

Did you try setting useCompoundFile to true in solrconfig.xml? Also, try using a lower mergeFactor which will result in fewer segments and hence fewer open files. Also, I assume you can set the limit using a ulimit command.. ex: ulimit -n20 -- View this message in context:

Solr 4.3 open a lot more files than solr 3.6

Hi, After upgrading solr from 3.6 to 4.3, we found that solr opened a lot more files compared to solr 3.6 (when core is open). Since we have many cores (more than 2K and still grow), we would like to reduce the number of open files. We already used shareSchema and sharedLib, we also shared