scan « hbase « Java Database Q&A





1. HBase column wide scanning and fetching    stackoverflow.com

Let's say i've created a table rowkey (attrId+attr_value) //compound key column => doc:doc1, doc:doc2, ... when use scan feature, i would fetch 1 row every time inside iterator, what if the column qualifier reach ...

2. Does HBase scan returns sorted columns?    stackoverflow.com

I am working on a HBase map reduce job and need to understand if the columns in a single column family are returned sorted by their names (key). If so, I ...

3. How to store data in HBase for efficient fetching with Partial Key scanning?    stackoverflow.com

My key has three components: num, type, name The 'type' is only of two kinds A and B while num can have more values e.g. 0,1,2..,30 I have to fetch data with respect to num ...

4. how to scan hbase from hbase shell using filter    stackoverflow.com

Does anybody know how to scan records based on some scan filter i.e. column:something = "somevalue" Something like this : How to read data from Hbase? But from hbase shell?

5. Scanning rownames in HBase without any column data    stackoverflow.com

How can I scan through rownames in HBase without requesting any column data?
I want to make the scan faster by omitting all columns as I need just the rownames. EDIT: Ok figured ...