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From "ASF GitHub Bot (JIRA)" <>
Subject [jira] [Commented] (METRON-744) Allow Stellar functions to be loaded from HDFS
Date Wed, 01 Mar 2017 17:36:45 GMT


ASF GitHub Bot commented on METRON-744:

Github user mmiklavc commented on the issue:
    Actually, one more thought on the hdfs function path - maybe adding that to global.json
by default is better left for when we add dynamic runtime classpath reloading.

> Allow Stellar functions to be loaded from HDFS
> ----------------------------------------------
>                 Key: METRON-744
>                 URL:
>             Project: Metron
>          Issue Type: New Feature
>            Reporter: Casey Stella
> The benefit of Stellar is that adding new functionality is as simple as providing a Jar.
 This enables people who want to integrate with Metron to easy add enrichments or other functionality.
 The snag currently with this is that we provide a single jar, so all stellar functions that
we have available must be dependencies of the main jar that drives the topology plus what
local directories we can configure via the storm configs.  This makes the process of adding
3rd party jars not as easy as it could be.
> Adjust the the following to additionally load classes from a location in HDFS /apps/metron/stellar
using something like accumulo (
> * Profiler topology
> * Parser topology
> * Enrichment topology
> * Enrichment Flat file loader
> * Enrichment MR loader

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