> On Nov. 14, 2014, 7:05 p.m., Chris Riccomini wrote:
> > Looks like this was coded against master. Are you planning to backport to 
> > 0.8.0 branch?
> > 
> > I think we should either keep this module scala-free, or should add scala 
> > as a first-class citizen (i.e. implement the config code using real Scala). 
> > I'm not a big fan of bleeding Scala APIs into Java (e.g. Option).
> > 
> > If we keep it scala free, we'll have to duplicate a couple of config names, 
> > but I think that's an OK trade-off. SAMZA-40 is going to fix this stuff 
> > (Config with Java as a first class citizen) anyway.
> 
> Yan Fang wrote:
>     "coded against master"
>     -- yes, I realized it this morning :(. Let's see if I can get it done 
> today, if not, I am ok with only committing to master. 
>     
>     yes, i would prefere to make it scala-free because samza-log4j itself is 
> pure-java.
>     
>     But in the test case, some Kafka APIs (such as 
> "Utils.rm(server.config().logDirs())") only accept Scala time, is it ok to 
> add scala in the test scope?

Totally. testCompile for Scala is fine with me.


> On Nov. 14, 2014, 7:05 p.m., Chris Riccomini wrote:
> > samza-log4j/src/main/java/org/apache/samza/logging/log4j/SystemProducerAppender.java,
> >  line 54
> > <https://reviews.apache.org/r/28035/diff/1/?file=763402#file763402line54>
> >
> >     This is pretty confusing. Since we're using a string, can we just have 
> > it default to "application-master", and use "samza-container-%d" for 
> > containers?
> 
> Yan Fang wrote:
>     yes, I think we can. Then it will be the system's responsiblity to 
> partition based on the key. For example, in the kafka, users need to write a 
> customized partition class to deal with "application-master". Another option 
> is that, we can have partitionKey and Key. Use "0, 1, ..." for partitionKey 
> and "application-master" for key.

In Kafka's case, shouldn't it just work as-is with "application-master"? I 
think the default partitioner just hashCode's the object, then mod's it to the 
partition size.


- Chris


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On Nov. 14, 2014, 11:40 a.m., Yan Fang wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/28035/
> -----------------------------------------------------------
> 
> (Updated Nov. 14, 2014, 11:40 a.m.)
> 
> 
> Review request for samza.
> 
> 
> Bugs: SAMZA-310
>     https://issues.apache.org/jira/browse/SAMZA-310
> 
> 
> Repository: samza
> 
> 
> Description
> -------
> 
> Added a log4j appender using SystemProducer
> Added a log4jConfig class to help get log4j specific config
> Unit test code
> 
> 
> Diffs
> -----
> 
>   build.gradle 828bce9 
>   samza-log4j/src/main/java/org/apache/samza/config/Log4jSystemConfig.java 
> PRE-CREATION 
>   
> samza-log4j/src/main/java/org/apache/samza/logging/log4j/SystemProducerAppender.java
>  PRE-CREATION 
>   
> samza-log4j/src/test/java/org/apache/samza/logging/log4j/TestSystemProducerAppender.java
>  PRE-CREATION 
> 
> Diff: https://reviews.apache.org/r/28035/diff/
> 
> 
> Testing
> -------
> 
> 
> Thanks,
> 
> Yan Fang
> 
>

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