Declaring custom secondary sort in map reduce using initTableMapReduceUtil

2011-07-11 Thread Alt Control
(I've sent this mail before, but it seems it didn't arrive to all. please excuse if this is a repost) Hello, I am rather new to HBase and Hadoop so please excuse my newbie question. I am trying to implement a custom secondary sort as shown here

Re: Declaring custom secondary sort in map reduce using initTableMapReduceUtil

2011-07-11 Thread Alt Control
or examples in the mapreduce package? thanks On Mon, Jul 11, 2011 at 2:57 PM, Stack st...@duboce.net wrote: On Mon, Jul 11, 2011 at 10:40 AM, Alt Control altcontrolb...@gmail.com wrote: Problem is, the example uses JobConf class, while I use initTableMapReduceUtil to configure the job. I don't

Re: How to apply multiple row filters in an efficient way?

2011-07-06 Thread Alt Control
on the suffix of the key (the ticker) if not using regex? Thanks again On Wed, Jul 6, 2011 at 4:14 PM, Stack st...@duboce.net wrote: On Tue, Jul 5, 2011 at 1:02 PM, Alt Control altcontrolb...@gmail.com wrote: Question is - how can I do that efficiently? I don't know if HBase allow me to set

How to apply multiple row filters in an efficient way?

2011-07-05 Thread Alt Control
Hello, My table holds stock information where the keys are in the format: date-stock symbol. In my mapreduce job I need to operate on a subset of that list, say 500-2000 stocks, out of a total of 7000~. Sometimes I also need to consider only rows after a certain date. Question is - how can I do