JVM配置-1-简单配置

Tue, 31 May 2022 22:25:48 +0800

JVM常用参数

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-server
-Djava.security.egd=file:/dev/./urandom

CMS:

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-XX:MaxMetaspaceSize=384m -XX:ParallelGCThreads=2 -XX:SurvivorRatio=8 
-XX:+UseConcMarkSweepGC -XX:CMSFullGCsBeforeCompaction=0 -XX:LargePageSizeInBytes=64m 
-XX:+CMSParallelRemarkEnabled -XX:+UseCMSCompactAtFullCollection 
-XX:+UseFastAccessorMethods -XX:+CMSClassUnloadingEnabled

G1:

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-XX:ParallelGCThreads=2
-XX:+UseG1GC
-XX:G1HeapRegionSize=8
-XX:ConcGCThreads=1
-XX:InitiatingHeapOccupancyPercent=45

解决spring boot加载logback-spring.xml

Tue, 31 May 2022 21:48:24 +0800

定义配置文件 bootstrap.yml

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logging:
 config: classpath:logback-spring.xml
 file:
 name: ${spring.application.name}
 path: /home/app/log

修改 logback-spring.xml

不需要在logback-spring.xml 中定义 springProperty 获取配置文件内容

导入defaults配置

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 <include resource="org/springframework/boot/logging/logback/defaults.xml" />

使用logback内部变量获取相关配置属性

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 <appender name="file_info" class="ch.qos.logback.core.rolling.RollingFileAppender">
 <rollingPolicy class="ch.qos.logback.core.rolling.TimeBasedRollingPolicy">
 <fileNamePattern>${LOG_PATH}/${LOG_FILE}/%d{yyyy-MM-dd}.log</fileNamePattern>
 </rollingPolicy>
 <encoder class="ch.qos.logback.classic.encoder.PatternLayoutEncoder">
 <pattern>${FILE_LOG_PATTERN}</pattern>
 <charset>utf-8</charset>
 </encoder>
 </appender>


 <fileNamePattern>${LOG_PATH}/${LOG_FILE}/%d{yyyy-MM-dd}.json</fileNamePattern>

Java on Kalend's Blog

JVM配置-1-简单配置

JVM常用参数

CMS:

G1:

解决spring boot加载logback-spring.xml

定义配置文件 bootstrap.yml

修改 logback-spring.xml