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From "Gary Gregory (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (LOG4J2-1074) Add a logformat token for nanotime
Date Sun, 05 Jul 2015 17:34:04 GMT

    [ https://issues.apache.org/jira/browse/LOG4J2-1074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14614326#comment-14614326
] 

Gary Gregory commented on LOG4J2-1074:
--------------------------------------

The other item to note is that the log event will carry an additional long, which will take
up that much more memory. This is likely inconsequential in the big picture as well, but worth
mentioning in this discussion.

> Add a logformat token for nanotime
> ----------------------------------
>
>                 Key: LOG4J2-1074
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-1074
>             Project: Log4j 2
>          Issue Type: New Feature
>            Reporter: Will Hains
>
> Add a token in the log format specifier to output the current value of {{System.nanotime()}}.
> We are currently adding the nanotime value to our log messages manually, which we find
very useful for troubleshooting unexpected latency, and as a quick-and-dirty data source to
feed into performance analysis tools.
> It would be very nice if Log4j could do this for us. It would also be nice to have this
in the log format specified, so we can turn it on/off at runtime by editing the Log4j config
file.



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