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Posted to common-dev@hadoop.apache.org by "Viraj Jasani (Jira)" <ji...@apache.org> on 2023/03/18 05:40:00 UTC

[jira] [Created] (HADOOP-18669) Remove Log4Json Layout

Viraj Jasani created HADOOP-18669:
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             Summary: Remove Log4Json Layout
                 Key: HADOOP-18669
                 URL: https://issues.apache.org/jira/browse/HADOOP-18669
             Project: Hadoop Common
          Issue Type: Sub-task
            Reporter: Viraj Jasani
            Assignee: Viraj Jasani


Log4Json extends org.apache.log4j.Layout to provide log layout for Json. This utility is not being used anywhere in Hadoop. It is IA.Private (by default).

Log4j2 has introduced drastic changes to the Layout. It also converted it as an interface. Log4j2 also has JsonLayout, it provides options like Pretty vs. compact JSON, Encoding UTF-8 or UTF-16, Complete well-formed JSON vs. fragment JSON, addition of custom fields into generated JSON

[https://github.com/apache/logging-log4j2/blob/2.x/log4j-core/src/main/java/org/apache/logging/log4j/core/layout/JsonLayout.java]

 

This utility is more suitable to be part of log4j project rather than hadoop because the maintenance cost in hadoop would be higher with any more upgrades introducing changes to the Layout format.



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