Mailing-List: contact dev-help@falcon.incubator.apache.org; run by ezmlm
Precedence: bulk
Reply-To: dev@falcon.incubator.apache.org
Date: Fri, 8 Aug 2014 20:35:13 +0000 (UTC)
From: "Venkatesh Seetharam (JIRA)" <jira@apache.org>
To: dev@falcon.incubator.apache.org
Message-ID: <JIRA.12698158.1393731181185.46440.1407530113269@arcas>
In-Reply-To: <JIRA.12698158.1393731181185@arcas>
References: <JIRA.12698158.1393731181185@arcas>
Subject: [jira] [Resolved] (FALCON-327) Simplify message passing framework
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8
Content-Transfer-Encoding: 7bit


     [ https://issues.apache.org/jira/browse/FALCON-327?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Venkatesh Seetharam resolved FALCON-327.
----------------------------------------

       Resolution: Fixed
    Fix Version/s: 0.6

> Simplify message passing framework
> ----------------------------------
>
>                 Key: FALCON-327
>                 URL: https://issues.apache.org/jira/browse/FALCON-327
>             Project: Falcon
>          Issue Type: Improvement
>          Components: messaging
>    Affects Versions: 0.5
>            Reporter: Venkatesh Seetharam
>            Assignee: Venkatesh Seetharam
>              Labels: messaging
>             Fix For: 0.6
>
>
> Issues with the current implementation:
> * hard to evolve the schema
> If I need to add one attribute, requires change in various places
> * Too many enum classes for the same variable
> Confuses the heck out of me.  Some small, some caps
> * FalconPostProcessing gets args, parses the args into CLI and converts 'em back into args repeatedly
> Too much redundant processing
> * Timestamp should be long as opposed to a String - minor?
> I need to compare dates and thought long is easier instead of constructing expensive SimpleDateFormats
> * Hard dependency on JMS. 
> Suggest the following:
> * Have the payload in a Map serialized as JSON
> - wonder how to pass this from oozie 
> * Have one central Enum class for the keys in the payload
> * Each class now depends on this Enum and takes what it needs from the Map
> We also could rethink about the current messaging which falcon relies on (had started a discuss thread but did not get any response):
> * Continue to use JMS
> * Switch to FS Polling
> * Use both
> Thoughts?


--
This message was sent by Atlassian JIRA
(v6.2#6252)