one of the major advantages Hadoop over Oracle: it saves you a lot of $$$
2008/9/25 Trinh Tuan Cuong <[EMAIL PROTECTED]>: > 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. > [EMAIL PROTECTED] > Luvina Software Company. > Website : www.luvina.net > > -----Original Message----- > From: Owen O'Malley [mailto:[EMAIL PROTECTED] > 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 > > >
