Simple Compression Scheme

2011-02-17 Thread David G. Boney
table for arithmetic coding compression and long strings using an adaptive arithmetic coding compression You milage may vary. I will have code for this design in a month or two. http://www.semanticartifacts.com/compression/compression.html - Sincerely, David G. Boney dbon

Re: Simple Compression Idea

2011-01-31 Thread David G. Boney
Is the partitioner the only code that does comparisons on the keys of a column family? What about get_range_slices(), does it only use the partitioner's comparison method? - Sincerely, David G. Boney dbon...@semanticartifacts.com http://www.semanticartifacts.com On Jan 31,

Re: Lucandra Limitations

2011-01-27 Thread David G. Boney
segments, which would have been handled by Lucene, do I have to do my search against each index? Lucene supports the ability to create multiple IndexSearchers and stick them in a MultiSearcher. Is this the right way to view the problem? - Sincerely, David G. Boney dbon

Lucandra Limitations

2011-01-27 Thread David G. Boney
Lucandra is two billion, the maximum number of columns? - Sincerely, David G. Boney dbon...@semanticartifacts.com http://www.semanticartifacts.com

Fwd: CFP - Berlin Buzzwords 2011 - Search, Score, Scale

2011-01-25 Thread David G. Boney
This might interest the Cassandra community. - Sincerely, David G. Boney dbon...@semanticartifacts.com http://www.semanticartifacts.com Begin forwarded message: > From: Isabel Drost > Date: January 25, 2011 2:53:28 PM CST > To: u...@mahout.apache.org &

Re: Use Cassandra to store 2 million records of persons

2011-01-20 Thread David G. Boney
a lot of bearing on the application of Cassandra to data mining or machine learning problems. - Sincerely, David G. Boney dbon...@semanticartifacts.com http://www.semanticartifacts.com On Jan 20, 2011, at 6:35 AM, David Boxenhorn wrote: > Cassandra is not a good solution

Re: WELCOME to user@cassandra.apache.org

2010-12-29 Thread David G. Boney
You are asking someone to essentially steal from the author of the book so you can benefit. The person who sends the book to you would be engaged in theft of intellectual property and you would engaged in receiving stolen goods. - Sincerely, David G. Boney dbon

Re: Supercolumn Maximums

2010-12-27 Thread David G. Boney
olumns are indexed in a row. - Sincerely, David G. Boney dbon...@semanticartifacts.com http://www.semanticartifacts.com On Dec 27, 2010, at 11:33 PM, Narendra Sharma wrote: > #1 - No limit > #2 - If you are referring to secondary indexes then NO. Also see > https://iss

Supercolumn Maximums

2010-12-27 Thread David G. Boney
1. What are the maximum number of supercolumns that a row can have? 2. Are supercolumns indexed? 3. What are the maximum number of subcolumns in a supercolumn? - Sincerely, David G. Boney dbon...@semanticartifacts.com http://www.semanticartifacts.com

Partitions

2010-12-24 Thread David G. Boney
the first node, and so on. It is possible in this scenario that a split could be empty or very small, that is OK. - Sincerely, David G. Boney dbon...@semanticartifacts.com http://www.semanticartifacts.com