Tomcat common optimization configuration

TomcatCommonly used optimized configurations:

1. memory space

：
/etc/sysconfig/tomcat (rpm package installation)
catalina.out (BASEDIR/ , expand package)

JAVA_OPTS="-server -Xms32g -Xmx32g"

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       Description:
        -server: use the server model
        -Xms: heap memory initialization size (recommended to be consistent with -Xmx)
        -Xmx: heap memory space limit (max 32G for a single tomcat instance)
        -XX:NewSize: initialization size of new generation space
        -XX:MaxNewSize: maximum size of new generation space
        -XX:PermSize:MaxPermSize:MaxPermSize.
        -XX:MaxPermSize:MaxPermSize:MaxPermSize.

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2. Thread Pool Settings

    <Connector port="8080" protocol="HTTP/1.1" maxThreads="200" connectionTimeout="20000" redirectPort="8443" />

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Common Properties:
maxThreads: maximum number of threads
minSpareThreads: Minimum number of free threads.
maxSpareThreads: maximum number of idle threads
acceptCount: the maximum length of the waiting queue
URIEncoding: URI address encoding format, UTF-8 is recommended.
enableLookups: whether to enable DNS resolution, recommended off
compression: Enable or disable compressed transmission.
compressionMinSize: the minimum size of the data stream to enable compressed transmission, in bytes
compressableMimeType: defines the MIME type that enables compression (text/html,text/xml,text/css,text/css, text/html,text/xml,text/xml,text/xml,text/css,text/css,text/css,text/css,text/css,text/css).javascript）

3. Disable port 8005

<Server port="-1" shutdown="SHUTDOWN">

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4. Hide version information

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

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Description :
Server= "An arbitrarily defined string."