Create a meta data table in HBase to keep track of columns
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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
Fix For: 0.5.0
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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