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From "Paul Smith (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LOG4J2-16) Provide support for SLF4J type Markers
Date Sun, 22 Jun 2008 22:41:45 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-16?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12607127#action_12607127

Paul Smith commented on LOG4J2-16:

This concept should also include leverage of both dynamic markers (during configuration, or
even runtime), and static compile-time markers (say, via Annotations).

> Provide support for SLF4J type Markers
> --------------------------------------
>                 Key: LOG4J2-16
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-16
>             Project: Log4j 2
>          Issue Type: New Feature
>          Components: Core
>            Reporter: Ralph Goers
> We wrote our own logging framework primarily because log4j didn't provide some of the
features we needed. One feature was more granularity, especially around logging. We encourage
entry and exit tracing, logging of input and output data, logging of elapsed time statistics
and several other flavors if "debug" information. Turning all this on in production generates
too much data. Our framework supported the concept of Log Type in addition to Log Level. When
filtering there was a LogType array where each array element was the log level. The LogRecord
contained the LogType and LogLevel so doing filtering was very fast.
> SLF4J supports Markers. These can essentially be used for the same purpose (assuming
another Jira issue regarding filtering is implemented). Markers are much more flexible since
they can be arbitrarily created. Loggers should then be able to filter on whether a marker
is present in addition to the LogLevel. 

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