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From stack <st...@duboce.net>
Subject Re: what is considered as best / worst practice?
Date Sat, 20 Dec 2008 23:19:11 GMT
yonatan maman wrote:
> I'm about to design my HBase table, and I wonder :
> 1) what is the max number of column family that is still consider
> reasonable? 100 , 1K, 1M ... more ?
>   

Keep it small I'd say for now until we do more work in server 
parallellizing querying of different column families.  I'd suggest low tens.

> 2) what is a reasonable number of  columns per column family ? 100, 1K , 1M
> .. more ?

Low hundreds till we fix the bug that has us slow when lots of columns.

St.Ack


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