what is difference between glassfish configuration, server, instance and cluster?
问题 following is a paragraph from glassfish 3.1.2.2 administration guide You can rotate log files manually by using the rotate-log subcommand in remote mode. The default target of this subcommand is the DAS. Optionally, you can target a configuration, server, instance, or cluster .You can rotate log files manually by using the rotate-log subcommand in remote mode. The default target of this subcommand is the DAS. Optionally, you can target a configuration, server, instance, or cluster. what is