如何为Kafka生产者配置日志记录? [英] How to configure logging for Kafka producers?
问题描述
我正在使用Kafka生产者客户端,我的项目中没有任何log4j配置.
I am using Kafka producer client and i don't have any log4j configuration in my project.
在运行时,程序会打印很多我真的不想要的Kafka调试日志.
On running, the program prints a lot of Kafka Debug logs which i really don't want.
因此,我尝试添加一个log4j.properties来将日志级别设置为ERROR,如下所示,这似乎不起作用:
So, i tried to add a log4j.properties to set log level to ERROR as below which does not seem to work:
log4j.rootLogger=ERROR
我如何更改Kafka日志级别?
How do i change Kafka Log Level?
推荐答案
在运行客户端时使用命令行标志-Dlog4j.configuration=file:/path/to/log4j.properties
.
Use the command line flag -Dlog4j.configuration=file:/path/to/log4j.properties
when running your client.
示例log4j属性文件:
Example log4j property files:
- https://github.com/apache/kafka/blob/trunk/config/tools-log4j.properties
- 由镜像制作器之类的工具使用,实际上只是stdout
- 被kafka服务器之类的工具使用
对于导致调用
kafka-run-class.sh
的镜像制造商和其他工具,可以使用env变量KAFKA_LOG4J_OPTS
(设置为类似-Dlog4j.configuration=file:/path/to/log4j.properties
的值)来更改日志记录配置.参见: https://github.com /apache/kafka/blob/0.10.2/bin/kafka-run-class.sh#L158For mirror maker and other tools that result in a call to
kafka-run-class.sh
, you can use the env variableKAFKA_LOG4J_OPTS
(set to something like-Dlog4j.configuration=file:/path/to/log4j.properties
) to change the logging configuration. See: https://github.com/apache/kafka/blob/0.10.2/bin/kafka-run-class.sh#L158我用于测试的镜子制造商的
log4j.properties
文件示例.Example of my
log4j.properties
file for mirror maker that I use for testing.# https://github.com/apache/kafka/blob/trunk/config/tools-log4j.properties log4j.rootLogger=DEBUG, stderr log4j.appender.stderr=org.apache.log4j.ConsoleAppender log4j.appender.stderr.layout=org.apache.log4j.PatternLayout log4j.appender.stderr.layout.ConversionPattern=[%d] %p %m (%c)%n log4j.appender.stderr.Target=System.err
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