Hi guys,
I am wondering whether HBase is using column based storage or row based
storage?
- I read some technical documents and mentioned advantages of HBase is
using column based storage to store similar data together to foster
compression. So it means same columns of different rows are
On Sun, Aug 5, 2012 at 6:04 AM, Lin Ma wrote:
> Hi guys,
>
> I am wondering whether HBase is using column based storage or row based
> storage?
>
>- I read some technical documents and mentioned advantages of HBase is
>using column based storage to store similar data together to foster
>
ied to write this up a while back:
http://hadoop-hbase.blogspot.com/2011/12/introduction-to-hbase.html
-- Lars
- Original Message -
From: Lin Ma
To: user@hbase.apache.org
Cc:
Sent: Sunday, August 5, 2012 6:04 AM
Subject: column based or row based storage for HBase?
Hi guys,
I
Thank you for the informative reply, Mohit!
Some more comments,
1. actually my confusion about column based storage is from the book "HBase
The Definitive Guide", chapter 1, section "the Dawn of Big Data", which
draw a picture showing HBase store the same column of all different rows
continuously
In my understanding of column-oriented structure of hbase, the first
thing is the term column-oriented. The meaning is that the data which
belongs to the same column family stores continuously in the disk. For
each column-family, the data is stored as row store. If you want to
understand the intern
t;
> I tried to write this up a while back:
> http://hadoop-hbase.blogspot.com/2011/12/introduction-to-hbase.html
>
> -- Lars
>
>
>
> - Original Message -
> From: Lin Ma
> To: user@hbase.apache.org
> Cc:
> Sent: Sunday, August 5, 2012 6:04 AM
> Subject: colu
uld work through the topic in the HBase book:
http://hbase.apache.org/book/datamodel.html.
-- Lars
- Original Message -
From: Lin Ma
To: user@hbase.apache.org; lars hofhansl
Cc:
Sent: Sunday, August 5, 2012 8:44 PM
Subject: Re: column based or row based storage for HBase?
Hi Lars,
gt; You should work through the topic in the HBase book:
> http://hbase.apache.org/book/datamodel.html.
>
> -- Lars
>
>
> - Original Message -
> From: Lin Ma
> To: user@hbase.apache.org; lars hofhansl
> Cc:
> Sent: Sunday, August 5, 2012 8:44 PM
> Subjec
Thank you Yong,
So just clarify one thing, for your comments -- "column family stores
continuously", does not mean data are stored *column after column physically
* (e.g. store col1 of row 1, then col 1 of row 2, then col 1 of row 3, then
col 2 of row 1, then col 2 of row 2, and finally col 2 of r
On Sun, Aug 5, 2012 at 8:03 PM, Lin Ma wrote:
> Thank you for the informative reply, Mohit!
>
> Some more comments,
>
> 1. actually my confusion about column based storage is from the book
> "HBase The Definitive Guide", chapter 1, section "the Dawn of Big Data",
> which draw a picture showing HB
Lin,
Looks like your questions may already be answered, but you might find the
following link comparing "traditional" columnar databases against
HBase/BigTable interesting:
http://dbmsmusings.blogspot.com/2010/03/distinguishing-two-major-types-of_29.html
-Jason
On Sun, Aug 5, 2012 at 8:03 PM, L
Hi Jason,
This is very good reference. I read it from begin to the end and learned a
lot. Thanks and have a good weekend.
regards,
Lin
On Tue, Aug 7, 2012 at 2:00 AM, Jason Frantz wrote:
> Lin,
>
> Looks like your questions may already be answered, but you might find the
> following link compa
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