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<Connector executor="tomcatThreadPool" port="80" protocol="HTTP/1.1"
               connectionTimeout="20000"
               redirectPort="443" />

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<Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
            maxThreads="400" minSpareThreads="25"
            maxIdleTime="60000" />

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<Connector port="8080" protocol="HTTP/1.1"
           connectionTimeout="20000"
           redirectPort="8443" />

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<Connector port="8080" protocol="HTTP/1.1"
           connectionTimeout="20000"
           redirectPort="8443"  maxThreads="800" minSpareThreads="50"/>

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JAVA_OPTS="-server -Xms2048m -Xmx5296m -Xmn2048m -XX:MetaspaceSize=512M -XX:MaxMetaspaceSize=1024m -XX:SurvivorRatio=6 -XX:+DisableExplicitGC"
export JAVA_OPTS

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systemctl restart tomcat

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