这是属性设置
<connection-factory name="RemoteConnectionFactory" entries="java:jboss/exported/jms/RemoteConnectionFactory" connectors="http-connector" compress-large-messages="true" \>
压缩的“大”消息获得一个名为_AMQ_LARGE_COMPRESSED的特殊布尔属性设置为true。
_AMQ_LARGE_COMPRESSED
true