<!--The connectors can use a shared executor, you can define one or more named thread pools-->
<Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
maxThreads="100" minSpareThreads="20"/>
<!-- A "Connector" using the shared thread pool-->
<Connector executor="tomcatThreadPool"
port="8080" protocol="HTTP/1.1"
connectionTimeout="20000"
redirectPort="8443" />
E no catalina.bat:
SET JAVA_OPTS=-Xms1024m -Xmx2048m -XX:+UseCompressedOops -XX:+UseParallelGC