[jira] [Updated] (FLUME-2050) Upgrade to log4j2 (when GA)

["Edward Sargisson (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLUME-2050?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Edward Sargisson updated FLUME-2050:
------------------------------------

    Attachment: FLUME-2050.patch

Patch for Flume using log4j2. Largest area of change was TestSyslogUdpSource. Note that we should wait for log4j2 to go to GA before doing this upgrade and thus I will not create a review board for it yet. I'm uploading this patch so that it's ready to go and in case somebody needs it.
                
> Upgrade to log4j2 (when GA)
> ---------------------------
>
>                 Key: FLUME-2050
>                 URL: https://issues.apache.org/jira/browse/FLUME-2050
>             Project: Flume
>          Issue Type: Improvement
>            Reporter: Edward Sargisson
>         Attachments: FLUME-2050.patch
>
>
> Log4j1 is being abandoned in favour of log4j2. Log4j2, by all that I've seen, has better concurrency handling and the Log4j2 FlumeAppender is nice (easily configurable, 3 different styles of agents).
> Log4j1 has a concurrency defect which means that rolling over a log file into a directory for the Flume spool directory source will not be reliable. Log4j2 has fixed this.
> Alternatively the log4j2 FlumeAppender may allow Flume to log its own logs via itself.

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