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From "Jiaqi Tan (JIRA)" <j...@apache.org>
Subject [jira] Created: (CHUKWA-282) Demux should output detailed per-operation ClientTrace records
Date Tue, 09 Jun 2009 17:46:07 GMT
Demux should output detailed per-operation ClientTrace records
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                 Key: CHUKWA-282
                 URL: https://issues.apache.org/jira/browse/CHUKWA-282
             Project: Hadoop Chukwa
          Issue Type: Improvement
          Components: Data Processors
    Affects Versions: 0.2.0
            Reporter: Jiaqi Tan
            Assignee: Jiaqi Tan
            Priority: Minor
             Fix For: 0.2.0


Currently, the ClientTrace reducer in Demux summarizes client trace operations to produce
aggregate statistics for each type of operation (e.g. total bytes of local HDFS reads, total
bytes of local HDFS writes). However, more sophisticated algorithms and visualization will
need more detailed information such as amount of reads/writes to/from every pair of hosts.
The ClientTrace reducer should also output the unsummarized, raw ClientTrace data so they
can be used for analysis/visualization.

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