Sorry for broken text email.... ;( Of course, It should be "B". I think it is probably easier to think like a Map(Row, Map(Column, Cell)) structure.
------------------------------ B. Regards, Edward yoon @ NHN, corp. Home : http://www.udanax.org > From: [EMAIL PROTECTED] > To: [email protected] > Subject: RE: question on HBase storage > Date: Wed, 31 Oct 2007 08:22:39 +0000 > > > Of course, It should be "B". > I think it is probably easier to think like a Map> structure. > > ------------------------------ > B. Regards, > Edward yoon @ NHN, corp. > Home : http://www.udanax.org > > >> Date: Wed, 31 Oct 2007 16:03:07 +0800 >> From: [EMAIL PROTECTED] >> To: [email protected] >> Subject: question on HBase storage >> >> hello, >> >> I have several questions on the physical storage of the HBase: >> >> 1. Does HBase store each table in A format: >> >> "com.cnn.www", t6, "...", >> "com.cnn.www", t5, "...", >> "com.cnn.www", t3, "...", >> "com.sohu.www", t8, "..." >> "com.sohu.www", t7, "..." >> >> or B fomat: >> >> "com.cnn.www", t6, "...", >> t5, "...", >> t3, "...", >> "com.sohu.www", t8, "...", >> t7, "..." >> >> A format treat RowKey and TimeStamp as key, and wastes space of the >> RowKey "com.cnn.www" or "com.sohu.www"several times. >> >> While B format treat RowKey as key, and TimeStamp and Column as >> attributes. And each row doesn't maintain the same format. >> >> 2. Another question, maybe we will get several labels in the same >> family at the same time. For example, we will crawl a web page at time >> t1, and the page contains 2 anchors, one is a.com, the other is b.com. >> How to store it in hbase? >> >> "com.cnn.www", t1, "anchor:a.com", "aaa", >> "com.cnn.www", t1, "anchor:b.com", "bbb", >> "com.cnn.www", t2, "anchor:c.com", "ccc" >> >> or >> >> "com.cnn.www", t1, "anchor:a.com", "aaa", >> "anchor:b.com", "bbb", >> "com.cnn.www", t2, "anchor:c.com", "ccc" >> >> thanks! >> >> Bin YANG >> >> -- >> Bin YANG >> Department of Computer Science and Engineering >> Fudan University >> Shanghai, P. R. China >> EMail: [EMAIL PROTECTED] > > _________________________________________________________________ > Windows Live Hotmail and Microsoft Office Outlook – together at last. Get it > now. > http://office.microsoft.com/en-us/outlook/HA102225181033.aspx?pid=CL100626971033 _________________________________________________________________ Boo! Scare away worms, viruses and so much more! Try Windows Live OneCare! http://onecare.live.com/standard/en-us/purchase/trial.aspx?s_cid=wl_hotmailnews
