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From "Bill Graham (JIRA)" <j...@apache.org>
Subject [jira] Created: (CHUKWA-415) agent.sh should load adaptors from both checkpoint file and conf/initial_adaptors
Date Wed, 11 Nov 2009 01:13:28 GMT
agent.sh should load adaptors from both checkpoint file and conf/initial_adaptors
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                 Key: CHUKWA-415
                 URL: https://issues.apache.org/jira/browse/CHUKWA-415
             Project: Hadoop Chukwa
          Issue Type: Improvement
            Reporter: Bill Graham


Currently when agent.sh is run, the agent will load the adaptors found in the config/initial_adaptors
file only of the checkpoints file doesn't exist. If the checkpoint file does exist, the initial_adaptors
file is silently ignored. This is misleading and seems like a potential cause of confusion.

Instead both files should both be checked for adaptors, first the checkpoint file, then the
initial_adaptors file. This order would ensure that the same adaptor won't lose it's checkpoint
info or get loaded twice if the agent is bounced.

Also, the agents.log file does a good job of reporting which adaptors are registered, but
it doesn't show where they were loaded from. This information would be useful to have if possible.

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