On Sep 17, 2011, at 1:43 PM, Joern Huxhorn wrote:

> 
> On 17.09.2011, at 21:26, Ralph Goers wrote:
> 
>> 
>> On Sep 17, 2011, at 11:40 AM, Joern Huxhorn wrote:
>> 
>>> 
>>> On 17.09.2011, at 18:47, John Vasileff wrote:
>>> 
>>>> 
>>>> On Sep 17, 2011, at 8:53 AM, Joern Huxhorn wrote:
>>>> 
>>>> Interesting point on serialization.  When would you see serialization 
>>>> happening?  Is this primarily for appenders?
>>>> 
>>> 
>>> SocketAppender is using serialization. Since I'm the author of Lilith ( 
>>> http://lilith.huxhorn.de/ ) I tend to focus on stuff like that.
>> 
>> Actually, in Log4j 2.0 SocketAppender uses a Layout. The default Layout is 
>> SerializedLayout. If you want to use a LillithLayout you would be free to do 
>> so.
>> 
>>> 
>>> This is also the reason for the differentiation between the Message 
>>> instance and the (laziliy) formatted  message string. A SocketAppender does 
>>> not have any need for a formatted message. It is perfectly valid to skip 
>>> the formatting entirely and simply transmit the message pattern and the 
>>> message parameters (as Strings) to safe some CPU in the logged application.
>> 
>> I disagree. The SocketAppender should be able to interact with something 
>> that accepts Thrift, Avro, Hession or other serialization protocols or even 
>> the RFC 5424 format.  However, in cases where the event is serialized into a 
>> format where the LogEvent will be recreated on the other side of the socket 
>> connection, I agree that formatting the message on the sender's side is not 
>> required.
> 
> Your SocketAppender is obviously much improved compared to the Logback one. 
> Having the actual serialization mechanism pluggable is a very good idea.
> Nevertheless, I assume that simple serialization would be the "reference 
> implementation". I'd, of course, hook in my protobuf implementation...

If you provide a ProtobufLayout I'd happily include it - although I'd make the 
protobuf artifacts optional dependencies as I did for Flume.

Ralph
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