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From "Jie Huang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (CHUKWA-650) Re-configure Demux ReduceNumber without re-starting the DemuxManager service
Date Mon, 23 Jul 2012 03:21:37 GMT
Jie Huang created CHUKWA-650:
--------------------------------

             Summary: Re-configure Demux ReduceNumber without re-starting the DemuxManager
service
                 Key: CHUKWA-650
                 URL: https://issues.apache.org/jira/browse/CHUKWA-650
             Project: Chukwa
          Issue Type: Improvement
          Components: Data Processors
    Affects Versions: 0.6.0
            Reporter: Jie Huang


Currently, DemuxManager controls the Demux's reduce number by reading "CHUKWA_DEMUX_REDUCER_COUNT_FIELD"
at the initialization part. It is impossible to tune that reduce number before the next round
of demux happens. The only way is to restart that DemuxManager service. I wonder if it is
OK to parse that configuration item in  runDemux() function.

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