Elytron uses parallel streams in situations that do not require then -------------------------------------------------------------------- Key: WFLY-9322 URL: https://issues.jboss.org/browse/WFLY-9322 Project: WildFly Issue Type: Bug Components: Security Reporter: Jan Kalina Assignee: Jan Kalina Labels: eap72 This can have a big performance impact, as unless there are a large number of elements parallel streams are significantly more expensive than non parallel ones. I see it being used in: org.jboss.as.ejb3.remote.AssociationImpl#registerClusterTopologyListener org.wildfly.elytron.web.undertow.server.ElytronAccount#ElytronAccount org.wildfly.elytron.web.undertow.server.ElytronHttpExchange#getRequestParameters org.jboss.as.security.remoting.RemotingConnectionCredential#RemotingConnectionCredential org.jboss.as.security.api.ConnectionSecurityContext#getConnectionPrincipals