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<configuration>
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<!-- 引用 Spring Boot 的 logback 基础配置 -->
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<include resource="org/springframework/boot/logging/logback/defaults.xml" />
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<!-- 变量 yudao.info.base-package,基础业务包 -->
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<springProperty scope="context" name="yudao.info.base-package" source="yudao.info.base-package"/>
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<!-- 格式化输出:%d 表示日期,%X{tid} SkWalking 链路追踪编号,%thread 表示线程名,%-5level:级别从左显示 5 个字符宽度,%msg:日志消息,%n是换行符 -->
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<!-- <property name="PATTERN_DEFAULT" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%X{tid}] [%thread] %-5level %logger{36} -%msg%n"/>-->
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<property name="PATTERN_DEFAULT" value="%d{${LOG_DATEFORMAT_PATTERN:-yyyy-MM-dd HH:mm:ss.SSS}} ${LOG_LEVEL_PATTERN:-%5p} ${PID:- } --- [%thread] [%X{tid}] %-40.40logger{39} : %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx}"/>
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<!-- 控制台 Appender -->
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<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
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<encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
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<layout class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.TraceIdPatternLogbackLayout">
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<pattern>${PATTERN_DEFAULT}</pattern>
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</layout>
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</encoder>
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</appender>
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<!-- 文件 Appender -->
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<!-- 参考 Spring Boot 的 file-appender.xml 编写 -->
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<appender name="FILE" class="ch.qos.logback.core.rolling.RollingFileAppender">
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<encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
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<layout class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.TraceIdPatternLogbackLayout">
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<pattern>${PATTERN_DEFAULT}</pattern>
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</layout>
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</encoder>
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<!-- 日志文件名 -->
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<file>${LOG_FILE}</file>
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<rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
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<!-- 滚动后的日志文件名 -->
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<fileNamePattern>${LOGBACK_ROLLINGPOLICY_FILE_NAME_PATTERN:-${LOG_FILE}.%d{yyyy-MM-dd}.%i.gz}</fileNamePattern>
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<!-- 启动服务时,是否清理历史日志,一般不建议清理 -->
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<cleanHistoryOnStart>${LOGBACK_ROLLINGPOLICY_CLEAN_HISTORY_ON_START:-false}</cleanHistoryOnStart>
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<!-- 日志文件,到达多少容量,进行滚动 -->
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<maxFileSize>${LOGBACK_ROLLINGPOLICY_MAX_FILE_SIZE:-10MB}</maxFileSize>
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<!-- 日志文件的总大小,0 表示不限制 -->
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<totalSizeCap>${LOGBACK_ROLLINGPOLICY_TOTAL_SIZE_CAP:-0}</totalSizeCap>
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<!-- 日志文件的保留天数 -->
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<maxHistory>${LOGBACK_ROLLINGPOLICY_MAX_HISTORY:-30}</maxHistory>
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</rollingPolicy>
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</appender>
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<!-- 异步写入日志,提升性能 -->
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<appender name="ASYNC" class="ch.qos.logback.classic.AsyncAppender">
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<!-- 不丢失日志。默认的,如果队列的 80% 已满,则会丢弃 TRACT、DEBUG、INFO 级别的日志 -->
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<discardingThreshold>0</discardingThreshold>
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<!-- 更改默认的队列的深度,该值会影响性能。默认值为 256 -->
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<queueSize>256</queueSize>
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<appender-ref ref="FILE"/>
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</appender>
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<!-- SkyWalking GRPC 日志收集,实现日志中心。注意:SkyWalking 8.4.0 版本开始支持 -->
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<appender name="GRPC" class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.log.GRPCLogClientAppender">
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<encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
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<layout class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.mdc.TraceIdMDCPatternLogbackLayout">
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<pattern>${PATTERN_DEFAULT}</pattern>
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</layout>
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</encoder>
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</appender>
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<!-- 本地环境 -->
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<springProfile name="local">
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<logger name="${yudao.info.base-package}" level="INFO" additivity="false">
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<appender-ref ref="STDOUT"/>
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<appender-ref ref="GRPC"/>
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<appender-ref ref="ASYNC"/>
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<!-- 本地环境下,不打印日志文件 -->
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</logger>
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</springProfile>
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<!-- 其它环境 -->
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<springProfile name="default">
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<logger name="${yudao.info.base-package}" level="INFO" additivity="false">
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<appender-ref ref="STDOUT"/>
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<appender-ref ref="ASYNC"/>
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<appender-ref ref="GRPC"/>
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</logger>
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</springProfile>
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</configuration>
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