Ok, Let me sweep the inaccuracy issues. ------------------------------
B. Regards, Edward yoon @ NHN, corp. Home : http://www.udanax.org > From: [EMAIL PROTECTED] > To: [email protected] > Subject: RE: About relational algebra operators > Date: Tue, 11 Dec 2007 03:25:19 +0000 > > > I asked Pig community the idea of merging HBase shell with their work, but > they suggested another idea - to further develop each other's work now and > have discussion later. > > I think PIG'll probably lose PIG original identity once they develop their > work on top of HBase. > Also, PIG will be need an administrative tools for Hbase (table > create/alter/drop ... ). > > So, i was suggested to compose an abstract 2d-table only with certain data > filtered from hbase array structure using arbitrary HQL on PIG-6. > It will be useful option for PIG's extended storage. > > Anyway, I got your reply. > > Edward. > ------------------------------ > B. Regards, > > Edward yoon @ NHN, corp. > Home : http://www.udanax.org > > >> From: [EMAIL PROTECTED] >> To: [email protected]; [EMAIL PROTECTED] >> Date: Mon, 10 Dec 2007 18:42:40 -0800 >> Subject: Re: About relational algebra operators >> >> If you have a large table, then using hbase shell is probably not a good >> idea because it will take too long to run the job. Instead, you need to >> start a mapreduce job to do the processing for you. >> >> Since pig already exists as a shell that can create mapreduce jobs (like >> sawzall), I think it is probably best to work on pig until/unless you find >> something in their approach you fundamentally disagree with. >> >> -Michael >> >> On 12/10/07 6:22 PM, "edward yoon" wrote: >> >> >> >> Let's assume some data set of Hbase relations can be undergoing many changes >> by advance of human culture. >> >> We need better relation for these changes. >> Therefore, I think formal relational algebra operators will be good >> administrative tool in hbase shell. >> We can use relational algebra operators like a administrative tool. >> >> Also, it is helpful for temporary simulation situation. >> Let's assume the tables. >> >> 1. huge-webTable ( URL , title, content, image, language, metatag, color, >> ... , etc ). >> 2. huge-clickLogTable ( URL , userIP, search_Keyword, ... , etc) >> >> And we wnat to categorize web document by language and userIP factors. >> >> Then we can make the temporary table using relational algebra operators. >> π language, userIP (webTable ▷◁ row = row clickLogTable) >> >> Users can easily develop the numeric analysis application program for >> categorize document sets using new Relation table. >> Formal relational algebra operators can be most useful feature in Hbase. >> >> What do you think? >> >> ------------------------------ >> >> B. Regards, >> >> Edward yoon @ NHN, corp. >> Home : http://www.udanax.org >> _________________________________________________________________ >> Put your friends on the big screen with Windows Vista® + Windows Live™. >> http://www.microsoft.com/windows/shop/specialoffers.mspx?ocid=TXT_TAGLM_CPC_MediaCtr_bigscreen_102007 >> >> > > _________________________________________________________________ > You keep typing, we keep giving. Download Messenger and join the i’m > Initiative now. > http://im.live.com/messenger/im/home/?source=TAGLM _________________________________________________________________ Connect and share in new ways with Windows Live. http://www.windowslive.com/connect.html?ocid=TXT_TAGLM_Wave2_newways_112007
