Tomcat服务部署优化
Tomcat服务器的优化可以从多个方面进行,以下是一些常见的优化方法和示例配置:
调整内存设置:
修改
CATALINA_HOME/bin/setenv.sh
(Linux)或CATALINA_HOME/bin/setenv.bat
(Windows)文件,增加JVM内存分配参数:export CATALINA_OPTS="-Xms512m -Xmx1024m"
调整
Xms
(初始堆大小)和Xmx
(最大堆大小)以满足应用需求。配置连接器(Connector):
修改
conf/server.xml
文件,根据硬件和需求调整连接器的参数,例如调整线程池大小:<Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" executor="tomcatThreadPool" />
并定义线程池:
<Executor name="tomcatThreadPool" namePrefix="catalina-exec-" maxThreads="200" minSpareThreads="20"/>
启用压缩:
在
conf/web.xml
中启用压缩:<filter> <filter-name>CompressionFilter</filter-name> <filter-class>org.apache.catalina.filters.CompressionFilter</filter-class> <init-param> <param-name>compressionThreshold</param-name> <param-value>2048</param-value> </init-param> <init-param> <param-name>compressableMimeTypes</param-name> <param-value>text/html,text/xml,text/plain,text/css,text/javascript,application/json</param-value> </init-param> </filter> <filter-mapping> <filter-name>CompressionFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
配置Session管理:
如果应用使用了大量的Session,可以考虑使用外部会话存储,如Redis或Memcached。
优化日志配置:
修改
conf/logging.properties
文件,根据日志需求调整日志级别和输出设置。配置JSP编译优化:
修改
conf/context.xml
,增加JSP编译相关参数:<Context> ... <JarScanner> <JarScanFilter defaultPluggability="false"> <PluggabilityScanPatterns> <Pattern>WEB-INF/lib/tomcat-embed-*.jar</Pattern> <Pattern>WEB-INF/lib/tomcat-util-scan-*.jar</Pattern> </PluggabilityScanPatterns> <JarScanPatterns> <JarScanPattern>tomcat-embed-*.jar</JarScanPattern> <JarScanPattern>tomcat-util-scan-*.jar</JarScanPattern> </JarScanPatterns> </JarScanFilter> </JarScanner> ... </Context>
使用AJP连接器(AjpConnector)时,也可以调整
conf/server.xml
中的maxConnections
和acceptCount
参数:<Connector port="8009" protocol="AJP/1.3" redirectPort="8443" maxConnections
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