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From "Cheng (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CHUKWA-281) Create pig scripts to perform down sampling
Date Mon, 08 Jun 2009 22:28:07 GMT

     [ https://issues.apache.org/jira/browse/CHUKWA-281?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Cheng updated CHUKWA-281:
-------------------------

    Attachment: chukwa-281.patch

Shell script downSampling.sh could be called from command line or cron job to generate the
down sampling results. 

command line options:
  -c <space seperated cluster names>
     optional. if no cluster specified, hadoop dfs command will be used to get all clusters
from /chukwa/repos
  -d <yyyyMMdd>
     optional. if no date is given, yesterday will be used
  -h help
  -m <space seperated metrics list>
     optional. Default value is 'SystemMetrics Hadoop_dfs_namenode Hadoop_dfs_FSDirectory
Hadoop_dfs_datanode Hadoop_rpc_metrics Hadoop_mapred_jobtracker Hadoop_jvm_metrics Hadoop_dfs_FSNamesystem
Df'
  -t time
     optional. default value is '5 30 180 720'
  -n <add|remove>
     Add/remove cron jobs.
     optional.
     start: add cron entry
     remove: remove cron entry


> Create pig scripts to perform down sampling
> -------------------------------------------
>
>                 Key: CHUKWA-281
>                 URL: https://issues.apache.org/jira/browse/CHUKWA-281
>             Project: Hadoop Chukwa
>          Issue Type: New Feature
>          Components: Data Processors
>            Reporter: Cheng
>            Assignee: Cheng
>         Attachments: chukwa-281.patch
>
>
> Use pig scripts instead of MySQL to perform down sampling.

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