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From 陈加俊 <cjjvict...@gmail.com>
Subject Re: the files of one table is so big?
Date Thu, 31 Mar 2011 05:37:17 GMT
thank you  JD

the type of key is Long , and  the family's versions is 5 .



On Thu, Mar 31, 2011 at 12:42 PM, Jean-Daniel Cryans <jdcryans@apache.org>wrote:

> (Trying to answer with the very little information you gave us)
>
> So in HBase every cell is stored along it's row key, family name,
> qualifier and timestamp (plus length of each). Depending on how big
> your keys are, it can grow your total dataset. So it's not just a
> function of value sizes.
>
> J-D
>
> On Wed, Mar 30, 2011 at 9:34 PM, 陈加俊 <cjjvictory@gmail.com> wrote:
> > I scan the table ,It just has  29000 rows and each row only has not
> reached
> > 1 k . I save it to files which has 18M.
> >
> > But I used /app/cloud/hadoop/bin/hadoop fs -copyFromLocal , it has 99G .
> >
> > Why ?
> > --
> > Thanks & Best regards
> > jiajun
> >
>



-- 
Thanks & Best regards
jiajun

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