Log Files Configuration

Updated on 2023-11-08 GMT+08:00

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Viewing error logs is an important method for locating faults. Therefore, you need to properly plan log output to minimize the impact on system performance. Suggestions for planning log files:

Use log4j2 or logback to output logs. Output logs to a file without depending on stdout of the container.

Open the metrics log, export this log to an independent file, for example, metrics.log, and export service logs to another file, for example, servicecomb.log. Configure metrics parameters as follows:

servicecomb:
  metrics:
    window_time: 60000
    invocation:
      latencyDistribution: 0,1,10,100,1000
    Consumer.invocation.slow:
      enabled: true
      msTime: 3000
    Provider.invocation.slow:
      enabled: true
      msTime: 3000
    publisher.defaultLog:
      enabled: true
      endpoints.client.detail.enabled: true

Open access log and export it to an independent log file.
The service log containing trace ID is printed in a formatted manner. You can develop a handler and configure it before Provider Handler. After receiving and processing a request, the handler prints logs respectively. This helps you locate faults and quickly search for related logs using AOM.

Parent topic: Hosting a Java Chassis Application

Previous topic: Thread Pool Parameters Configuration

Next topic: Service Governance Planning

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