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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Oracle schema to HBase
Date Sun, 16 Jan 2011 16:20:02 GMT
Which compression method did you use for your hbase table ?


2011/1/16 <hmchiud@tsmc.com>

> Hi,
> I want to put a table of data from RDBM to HBase.
> Key is the same both in RDBMS and HBase, but I wonder how to put these
> columns data.
> All put in a cell with json format or keep it like RDBMS table's columns?
> Put in Json format, it will impact the ETL when a column's data changed, It
> needs to know all other columns value and wrapped it
> into json format string. If keeps schema like RDBM, it will need more extra
> data space to keep these column and cell inforamtion.
> Once we had 31G data , it grew to 500G if we keep the schema like RDBMS.
> Any suggestions?
> Fleming Chiu(邱宏明)
> Ext: 707-2260
> Be Veg, Go Green, Save the Planet!
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