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Message-ID: <4a20dd110809241841m3f964b5dh462f4ca616f12591@mail.gmail.com>
Date: Thu, 25 Sep 2008 09:41:40 +0800
From: Mice <mice1982@gmail.com>
To: core-user@hadoop.apache.org
Subject: Re: Question about Hadoop 's Feature(s)
In-Reply-To: <3DADD35EDAE49145B9BA1AB44844771178F468@lvsrv_dns.luvina.net>
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References: <3DADD35EDAE49145B9BA1AB44844771178F3E4@lvsrv_dns.luvina.net>
	 <D13D8F4C-BD0A-453D-AB79-CA510C00C114@apache.org>
	 <3DADD35EDAE49145B9BA1AB44844771178F468@lvsrv_dns.luvina.net>

one of the major advantages Hadoop over Oracle: it saves you a lot of $$$

2008/9/25 Trinh Tuan Cuong <trinhtuancuong@luvina.net>:
> Dear Mr/Mrs Owen O'Malley,
>
> First I would like to thank you much for your reply, it was somehow the
> exact answer which I expected. As I read about the Query Language of
> Hadoop, it is a combination of Pig_Pig Latin, Have,HBase,Jaql and
> more... and I could see that Hadoop have an advantage SQL-like query
> language. The most thing I was curous bout is Hadoop's security level
> which is hard to find in any documents I searched. Like many of your
> organization, we are believing in the fast growing of Hadoop and intend
> to use it in our serious projects. Once again, thanks for the reply, now
> I could tell our clients clearly about Hadoop.
>
> Best Regards.
>
> Tuan Cuong, Trinh.
> trinhtuancuong@luvina.net
> Luvina Software Company.
> Website : www.luvina.net
>
> -----Original Message-----
> From: Owen O'Malley [mailto:omalley@apache.org]
> Sent: Wednesday, September 24, 2008 11:27 PM
> To: core-user@hadoop.apache.org
> Subject: Re: Question about Hadoop 's Feature(s)
>
> On Sep 24, 2008, at 1:50 AM, Trinh Tuan Cuong wrote:
>
>> We are developing a project and we are intend to use Hadoop to
>> handle the processing vast amount of data. But to convince our
>> customers about the using of Hadoop in our project, we must show
>> them the advantages ( and maybe ? the disadvantage ) when deploy the
>> project with Hadoop compare to Oracle Database Platform.
>
> The primary advantage of Hadoop is scalability. On an equivalent
> hardware budget, Hadoop can handle much much larger databases. We had
> a process that was run once a week on Oracle that is now run once an
> hour on Hadoop. Additionally, Hadoop scales out much much farther. We
> can store petabytes of data in a single Hadoop cluster and have jobs
> that read and generate 100's of terabytes.
>
> The disadvantage of Hadoop is that it is still relatively young and
> growing fast, so there are growing pains. Hadoop has recently gotten
> higher level query languages like SQL (Pig, Hive, and Jaql), but still
> doesn't have any fancy report generators. Hadoop only has very
> primitive security at the moment, although I expect that to change in
> the next 6 months.
>
> -- Owen
>
>
>