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https://issues.apache.org/jira/browse/CHUKWA-570?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Eric Yang updated CHUKWA-570:
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Fix Version/s: (was: 0.5.0)
> Create a meta data table in HBase to keep track of columns
> ----------------------------------------------------------
>
> Key: CHUKWA-570
> URL: https://issues.apache.org/jira/browse/CHUKWA-570
> Project: Chukwa
> Issue Type: New Feature
> Components: MR Data Processors
> Environment: Java 6, Mac OSX 10.6
> Reporter: Eric Yang
> Assignee: Eric Yang
>
> HBase provides dynamic columns, but it is costly to do table scan to figure
> out all the columns at real time. For HICC to display all columns stored in
> HBase to web user interface, it would be better to cache the meta data in a
> small table. This jira is to implement a mapreduce job which scans for new
> columns for specified time ranges and deposit the column names into a chukwa
> meta data table.
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