Thank you for your answers. Isn't it possible to tune Solr to use less disc bandwidth (involving a longer optimization) ?
I moved Solr on the unused HDD, and the problem is solved ! Fortunately I have this separate disk... -- View this message in context: http://lucene.472066.n3.nabble.com/Solr-optimize-operation-slows-my-MySQL-serveur-tp1877270p1879527.html Sent from the Solr - User mailing list archive at Nabble.com.
