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Posted to dev@falcon.apache.org by "Balu Vellanki (JIRA)" <ji...@apache.org> on 2016/01/05 22:29:39 UTC
[jira] [Created] (FALCON-1728) Process entity definition allows
multiple clusters when it has output Feed defined.
Balu Vellanki created FALCON-1728:
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Summary: Process entity definition allows multiple clusters when it has output Feed defined.
Key: FALCON-1728
URL: https://issues.apache.org/jira/browse/FALCON-1728
Project: Falcon
Issue Type: Bug
Components: process
Affects Versions: 0.9
Reporter: Balu Vellanki
Assignee: Balu Vellanki
Priority: Critical
Process XSD allows user to specify multiple clusters per process entity. I am guessing this would allow a user to run duplicate instance of the process on multiple clusters at the same time (I do not really see a need for this). When the process has an output feed defined, you can have duplicate process instances writing to same feed instance, causing data corruption/failures. The solution is to
1. Do not allow multiple clusters per process. Let the user define a duplicate process if user wants to run duplicate instances.
OR
2. Allow multiple clusters, but only when there is no output feed defined.
[~sriksun] please let me know if there is any other reason for allowing multiple clusters in a process.
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