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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CHUKWA-530) Syslog Adaptor for mapping Syslog facility name to Chukwa data type
Date Sun, 10 Oct 2010 04:17:30 GMT

     [ https://issues.apache.org/jira/browse/CHUKWA-530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Yang updated CHUKWA-530:
-----------------------------

    Attachment: CHUKWA-530.patch

Revised patch to include javadoc and test case.  New feature includes mapping of facility
name to Chukwa data type.

Usage in Chukwa Agent  configuration file:

{noformat}
<property>
   <name>syslog.adaptor.port.9095.facility.LOCAL1</name>
   <value>HADOOP</value>
</property>
{noformat}

> Syslog Adaptor for mapping Syslog facility name to Chukwa data type
> -------------------------------------------------------------------
>
>                 Key: CHUKWA-530
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-530
>             Project: Chukwa
>          Issue Type: New Feature
>          Components: data collection
>         Environment: Java 6, Mac OS X
>            Reporter: Eric Yang
>            Assignee: Eric Yang
>         Attachments: CHUKWA-530-draft.patch, CHUKWA-530.patch
>
>
> UDPAdaptor can record syslog logs but the log entry is tagged with Chukwa internal data
type at adaptor start up time.  I am thinking to extend UDPAdaptor to record syslog messages
with small enhancements.  SyslogAdaptor can extract facility name field from syslog message
to tag facility name as the data type.  This would provide the ability to invoke different
demux parsers base on the facility name in syslog.  HOSTNAME can also be mapped to source
for Chukwa chunk meta data.
> My use case is to configure hadoop log4j.properties to log everything through org.apache.log4j.net.SyslogAppender
to one SysLogAdaptor on the local Chukwa agent, and invokes different parsers for audit log
and name node log.  Facility name is some what limited, but it should be enough type left
to manage hadoop log files.

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