f7744b72_e__8_0_24____The_AJP_Connector__Description
[Attribute] acceptorThreadPriority [Description] 
The priority of the acceptor threads. The threads used to accept new connections. The default value is 5 (the value of the java.lang.Thread.NORM_PRIORITY constant). See the JavaDoc for the java.lang.Thread class for more details on what this priority means.
Apache Tomcat 8 Configuration Reference (8.0.24) - The AJP Connector