From d5a42a92df8817ece8d4e0a9c19cfbcc2f4055e1 Mon Sep 17 00:00:00 2001
From: YunaiV <zhijiantianya@gmail.com>
Date: Mon, 26 Apr 2021 20:47:42 +0800
Subject: [PATCH] =?UTF-8?q?=E6=A2=B3=E7=90=86=20logback-spring.xml=20?=
 =?UTF-8?q?=E9=85=8D=E7=BD=AE=E6=96=87=E4=BB=B6?=
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---
 src/main/resources/application-local.yaml |  4 +--
 src/main/resources/logback-spring.xml     | 30 +++++++++++++++++------
 2 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/src/main/resources/application-local.yaml b/src/main/resources/application-local.yaml
index fd25bfc64..9c30bf9f5 100644
--- a/src/main/resources/application-local.yaml
+++ b/src/main/resources/application-local.yaml
@@ -145,8 +145,8 @@ spring:
 # 日志文件配置
 logging:
   file:
-    path: ${user.home}/logs/ # 日志文件的路径
-    name: ${spring.application.name} # 日志文件名
+#    path: ${user.home}/logs/ # 日志文件的路径
+    name: ${user.home}/logs/${spring.application.name}.log # 日志文件名，全路径
 
 --- #################### 芋道相关配置 ####################
 
diff --git a/src/main/resources/logback-spring.xml b/src/main/resources/logback-spring.xml
index 49eb3c249..fb75bc3b1 100644
--- a/src/main/resources/logback-spring.xml
+++ b/src/main/resources/logback-spring.xml
@@ -1,7 +1,11 @@
 <configuration>
-    <!-- 变量 -->
+    <!-- 引用 Spring Boot 的 logback 基础配置 -->
+    <include resource="org/springframework/boot/logging/logback/defaults.xml" />
+    <!-- 变量 yudao.info.base-package，基础业务包 -->
     <springProperty scope="context" name="yudao.info.base-package" source="yudao.info.base-package"/>
-    <property name="PATTERN_DEFAULT" value="%d{yyyy-MM-dd HH:mm:ss.SSS} | %tid | %thread | %-5level | %msg%n"/>
+    <!-- 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 -->
+<!--    <property name="PATTERN_DEFAULT" value="%d{yyyy-MM-dd HH:mm:ss.SSS} [%X{tid}] [%thread] %-5level %logger{36} -%msg%n"/>-->
+    <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}"/>
 
     <!-- 控制台 Appender -->
     <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">　　　　　
@@ -13,22 +17,34 @@
     </appender>
 
     <!-- 文件 Appender -->
+    <!-- 参考 Spring Boot 的 file-appender.xml 编写 -->
     <appender name="FILE"  class="ch.qos.logback.core.rolling.RollingFileAppender">
         <encoder class="ch.qos.logback.core.encoder.LayoutWrappingEncoder">
             <layout class="org.apache.skywalking.apm.toolkit.log.logback.v1.x.TraceIdPatternLogbackLayout">
                 <pattern>${PATTERN_DEFAULT}</pattern>
             </layout>
         </encoder>
+        <!-- 日志文件名 -->
+        <file>${LOG_FILE}</file>
         <rollingPolicy class="ch.qos.logback.core.rolling.SizeAndTimeBasedRollingPolicy">
-            <fileNamePattern>${LOG_FILE}.%d{yyyy-MM-dd}.%i.log}</fileNamePattern>
-            <maxFileSize>10MB</maxFileSize>
-            <maxHistory>7</maxHistory>
-            <cleanHistoryOnStart>false</cleanHistoryOnStart>
+            <!-- 滚动后的日志文件名 -->
+            <fileNamePattern>${LOGBACK_ROLLINGPOLICY_FILE_NAME_PATTERN:-${LOG_FILE}.%d{yyyy-MM-dd}.%i.gz}</fileNamePattern>
+            <!-- 启动服务时，是否清理历史日志，一般不建议清理 -->
+            <cleanHistoryOnStart>${LOGBACK_ROLLINGPOLICY_CLEAN_HISTORY_ON_START:-false}</cleanHistoryOnStart>
+            <!-- 日志文件，到达多少容量，进行滚动 -->
+            <maxFileSize>${LOGBACK_ROLLINGPOLICY_MAX_FILE_SIZE:-10MB}</maxFileSize>
+            <!-- 日志文件的总大小，0 表示不限制 -->
+            <totalSizeCap>${LOGBACK_ROLLINGPOLICY_TOTAL_SIZE_CAP:-0}</totalSizeCap>
+            <!-- 日志文件的保留天数 -->
+            <maxHistory>${LOGBACK_ROLLINGPOLICY_MAX_HISTORY:-30}</maxHistory>
         </rollingPolicy>
     </appender>
+    <!-- 异步写入日志，提升性能 -->
     <appender name="ASYNC" class="ch.qos.logback.classic.AsyncAppender">
+        <!-- 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 -->
         <discardingThreshold>0</discardingThreshold>
-        <queueSize>10</queueSize>
+        <!-- 更改默认的队列的深度，该值会影响性能。默认值为 256 -->
+        <queueSize>256</queueSize>
         <appender-ref ref="FILE"/>
     </appender>